H:	ELECTRICITY
H04:	ELECTRIC COMMUNICATION TECHNIQUE
H04L:	TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (typewriters B41J; order telegraphs, fire or police telegraphs G08B; visual telegraphy G08B, G08C; teleautographic systems G08C; ciphering or deciphering apparatus per se G09C; coding, decoding or code conversion, in general H03M; arrangements common to telegraphic and telephonic communication H04M; selecting H04Q)
H04L1/00:	Arrangements for detecting or preventing errors in the information received
H04L1/00A:	. Systems modifying transmission characteristics according to link quality, e.g. power backoff adaptive data allocation for multicarrier modulation H04L5/00C4; controlling transmission power for radio systems H04W52/04
H04L1/00A1:	. . by adapting the transmission rate
H04L1/00A13:	. . arrangements specific to the transmitter
H04L1/00A13B:	. . . where the transmitter decides based on inferences, e.g. use of implicit signalling
H04L1/00A13D:	. . . evaluation of received explicit signalling
H04L1/00A15:	. . arrangements specific to the receiver
H04L1/00A15B:	. . . Blind format detection for detection of modulation format H04L27/00M
H04L1/00A15D:	. . . other detection of signalling, e.g. detection of TFCI explicit signalling H04L1/00B5B, H04L27/00M and H04L25/02J take precedence
H04L1/00A1M:	. . . by switching between different modulation schemes
H04L1/00A1M1:	. . . . applied to control information
H04L1/00A1M3:	. . . . applied to payload information
H04L1/00A3:	. . by adapting the transmission format
H04L1/00A3L:	. . . by modifying the frame length
H04L1/00A3L1:	. . . . by supplementing frame payload, e.g. with padding bits
H04L1/00A5:	. . by adapting the channel coding H04L1/18D takes precedence
H04L1/00A5C:	. . . applied to control information
H04L1/00A5D:	. . . applied to payload information
H04L1/00A5R:	. . . Rate matching, e.g. puncturing or repetition of code symbols
H04L1/00A7:	. . by adapting the source coding
H04L1/00A8:	. . characterised by the adaptation strategy
H04L1/00A8L:	. . . involving special memory structures, e.g. look-up tables
H04L1/00A8Q:	. . . where the mode-switching is based on Quality of Service requirement
H04L1/00A8Q1:	. . . . based on latency requirement
H04L1/00A8S:	. . . in which mode-switching is based on a statistical approach
H04L1/00A8S1:	. . . . Algorithms with memory of the previous states, e.g. Markovian models
H04L1/00A8S5:	. . . . in which the algorithm uses adaptive thresholds
H04L1/00A8U:	. . . in which mode-switching is influenced by the user
H04L1/00A9:	. . characterised by the signalling
H04L1/00A9A:	. . . Transmission of mode-switching indication
H04L1/00A9B:	. . . Transmission of channel quality indication
H04L1/00A9C:	. . . Scheduling of signalling, e.g. occurrence thereof
H04L1/00A9F:	. . . Formatting
H04L1/00A9F1:	. . . . Reduction of the amount of signalling, e.g. retention of useful signalling or differential signalling power control H04W52/04
H04L1/00A9F5:	. . . . Adaptive formatting arrangements particular to signalling, e.g. variable amount of bits
H04L1/00A9F7:	. . . . Multiple signaling transmission H04L1/16F13,F15 take precedence
H04L1/00A9N:	. . . Without explicit signalling
H04L1/00B:	. by using forward error control H04L1/06T takes precedence; coding, decoding or code conversion, for error detection or correction H03M13/00
H04L1/00B1:	. . by using block codes
H04L1/00B11:	. . Transmission of coding parameters to receiver H04L1/00A9 takes precedence
H04L1/00B13:	. . Distributed coding, e.g. network coding, involving channel coding coding in both space and time H04L1/06T; cooperative diversity H04B7/02M
H04L1/00B13N:	. . . Cooperative coding
H04L1/00B2:	. . by using convolutional codes
H04L1/00B3:	. . Arrangements at the transmitter end
H04L1/00B3E:	. . . Encoding specially adapted to other signal generation operation, e.g. in order to reduce transmit distortions, jitter, or to improve signal shape H04L1/00B7R takes precedence
H04L1/00B3H:	. . . Realisations of complexity reduction techniques, e.g. use of look-up tables
H04L1/00B3H1:	. . . . specially adapted for power saving
H04L1/00B5:	. . Arrangements at the receiver end
H04L1/00B5B:	. . . Code rate detection or code type detection H04L1/00A15B takes precedence; detection of the data rate H04L25/02J; for packet format H04L1/00F9
H04L1/00B5E:	. . . Decoding adapted to other signal detection operation in conjunction with sequence estimation or equalization H04L25/03B7E7
H04L1/00B5E3:	. . . . in conjunction with detection of multiuser or interfering signals, e.g. iteration between CDMA or MIMO detector and FEC decoder for spatial equalizer H04L25/03B7E7
H04L1/00B5E5:	. . . . Iterative decoding, including iteration between signal detection and decoding operation
H04L1/00B5E5S:	. . . . . Stopping criteria
H04L1/00B5H:	. . . Realisations of complexity reduction techniques, e.g. pipelining or use of look-up tables
H04L1/00B5H1:	. . . . specially adapted for power saving
H04L1/00B5L:	. . . Maximum-likelihood or sequential decoding, e.g. Viterbi, Fano, ZJ algorithms
H04L1/00B5M:	. . . MAP-decoding
H04L1/00B5T:	. . . Iterative decoding[N0109]
H04L1/00B5T1:	. . . . Stopping criteria[N0109]
H04L1/00B7:	. . Systems characterized by the type of code used H04L1/08 takes precedence
H04L1/00B7B:	. . . Block codes H04L1/00B7E, H04L1/00B7K take precedence
H04L1/00B7B1:	. . . . Block-coded modulation
H04L1/00B7C:	. . . Convolutional codes
H04L1/00B7C1:	. . . . Trellis-coded modulation
H04L1/00B7E:	. . . Error detection codes
H04L1/00B7E1:	. . . . Single parity check
H04L1/00B7K:	. . . Concatenated codes
H04L1/00B7K1:	. . . . Serial concatenated codes
H04L1/00B7K3:	. . . . Parallel concatenated codes
H04L1/00B7R:	. . . Rate matching H04L1/00A5R and H04L1/08 take precedence
H04L1/00B7R1:	. . . . by puncturing
H04L1/00B7R1P:	. . . . . Puncturing patterns
H04L1/00B7U:	. . . Unequal error protection for format H04L1/00F; for codes per se H03M13/35
H04L1/00B7V:	. . . Use of interleaving interleaving per se H03M13/27
H04L1/00B8:	. . Error control for data other than payload data, e.g. control data
H04L1/00B8F:	. . . Special arrangements for feedback channel
H04L1/00F:	. Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location forward error control, e.g. FEC, CRC H04L1/00B; adaptive formatting H04L1/00A3; mappings H04L27/00
H04L1/00F1:	. . Formats for control data H04L1/16 takes precedence; training sequences H04L25/00 and H04L27/00
H04L1/00F1A:	. . . where the control data relates to payload of a different packet
H04L1/00F1C:	. . . Formats specially adapted to avoid errors in the feedback channel H04L1/16F takes precedence
H04L1/00F1E:	. . . fields explicitly indicating existence of error in data being transmitted, e.g. so that downstream stations can avoid decoding erroneous packet; relays
H04L1/00F2:	. . Formatting with frames or packets; Protocol or part of protocol for error control
H04L1/00F3:	. . Formats for payload data
H04L1/00F4:	. . Formatting with cells
H04L1/00F5:	. . Unequal error protection H04L27/00 and H04L1/00B take precedence for layer 1/2 aspects, e.g. bit loading
H04L1/00F5C:	. . . in control part
H04L1/00F5P:	. . . in payload
H04L1/00F7:	. . arrangements specific to transmitters
H04L1/00F9:	. . arrangements specific to receivers, e.g. format detection detection of data rate H04L25/02J; detection of coding rate H04L1/00B5B
H04L1/02:	. by diversity reception
H04L1/24C3:	. . . using PN sequences
H04L1/04:	. . using frequency diversity
H04L1/06:	. . using space diversity
H04L1/06F:	. . . [N: Space-frequency coding]
H04L1/06M:	. . . [N: Space-time modulation]
H04L1/06T:	. . . [N: Space-time coding]
H04L1/06T3:	. . . . [N: Transmitter arrangements]
H04L1/06T5:	. . . . [N: Receiver arrangements]
H04L1/06T7:	. . . . [N: Properties of the code]
H04L1/06T7A:	. . . . . Orthogonal systems (e.g. Alamouti)
H04L1/06T7B:	. . . . . [N: block codes]
H04L1/06T7C:	. . . . . [N: by means of convolutional encoding ]
H04L1/06T7K:	. . . . . [N: Cyclotomic systems, e.g. Bell Labs Layered Space-Time (BLAST)]
H04L1/06T7L:	. . . . . [N: Limited orthogonality systems]
H04L1/06T7T:	. . . . . [N: Orthogonal systems, e.g. using Alamouti codes]
H04L1/06T9:	. . . . [N: characterised by the signaling]
H04L1/06T9A:	. . . . . adapting space time parameters, i.e. modifying the space time matrix
H04L1/06T9F:	. . . . . [N: Full feedback]
H04L1/06T9P:	. . . . . [N: Partial feedback, e.g. partial channel state information (CSI)]
H04L1/08:	. by repeating transmission, e.g. Verdan system H04L1/18R9 and H04L1/18T9 take precedence
H04L1/12:	. by using return channel
H04L1/14:	. . in which the signals are sent back to the transmitter to be checked echo systems
H04L1/16:	. . in which the return channel carries supervisory signals, e.g. repetition request signals
H04L1/16F:	. . . Details of the supervisory signal
H04L1/16F1:	. . . . using bitmaps
H04L1/16F11:	. . . . Implicit acknowledgement of correct or incorrect reception, e.g. with a moving window
H04L1/16F13:	. . . . the supervisory signal being transmitted together with payload signals; piggybacking
H04L1/16F15:	. . . . the supervisory signal being transmitted together with control information
H04L1/16F15T:	. . . . . where the control information is for timing, e.g. time stamps
H04L1/16F17:	. . . . the supervisory signal being transmitted in response to a specific request, e.g. to a polling signal
H04L1/16F19:	. . . . Physical properties of the supervisory signal, e.g. acknowledgement by energy bursts
H04L1/16F3:	. . . . Group acknowledgement, i.e. the acknowledgement message defining a range of identifiers, e.g. of sequence numbers
H04L1/16F5:	. . . . List acknowledgements, i.e. the acknowledgement message consisting of a list of identifiers, e.g. of sequence numbers H04L1/16F1 takes precedence
H04L1/16F7:	. . . . Cumulative acknowledgement, i.e. the acknowledgement message applying to all previous messages
H04L1/16F9:	. . . . Formats specially adapted for sequence numbers
H04L1/16F9W:	. . . . . Variable formats
H04L1/18:	. . . Automatic repetition systems, e.g. van Duuren system; ARQ protocols
H04L1/18A:	. . . . Stop-and-wait protocols
H04L1/18B:	. . . . Go-back-N protocols
H04L1/18C:	. . . . Selective-repeat protocols
H04L1/18D:	. . . . Hybrid protocols
H04L1/18D1:	. . . . . with retransmission of the same, encoded, message
H04L1/18D2:	. . . . . with retransmission of additional or different redundancy
H04L1/18H:	. . . . involving configuration of ARQ with parallel processes
H04L1/18P:	. . . . Adaptation of specific ARQ protocol parameters according to transmission conditions
H04L1/18R:	. . . . Arrangements specific to the receiver end
H04L1/18R1:	. . . . . Details of sliding window management
H04L1/18R11:	. . . . . Physical mapping arrangements for ACK signaling see also H04L5/00C6
H04L1/18R13:	. . . . . ARQ related signaling H04L1/16F takes precedence
H04L1/18R3:	. . . . . Buffer management
H04L1/18R3A:	. . . . . . for semi-reliable protocols, e.g. for less sensitive applications such as streaming video buffer level management for video bitstream receiver H04N7/24C2
H04L1/18R3B:	. . . . . . Resequencing
H04L1/18R3C:	. . . . . . Combining techniques, e.g. code combining
H04L1/18R5:	. . . . . Time-out mechanisms
H04L1/18R5M:	. . . . . . using multiple timers
H04L1/18R7:	. . . . . Scheduling and prioritising arrangements
H04L1/18R9:	. . . . . Transmission or retransmission of more than one copy of acknowledgement message repetition in general H04L1/08
H04L1/18T:	. . . . Arrangements specific to the transmitter end
H04L1/18T1:	. . . . . Details of sliding window management
H04L1/18T11:	. . . . . Physical mapping arrangements (physical resource mapping in general H04L5)
H04L1/18T13:	. . . . . ARQ related signaling
H04L1/18T3:	. . . . . Buffer management
H04L1/18T3A:	. . . . . . for semi-reliable protocols, e.g. for less sensitive applications like streaming video buffer level management for video bitstream control arrangements H04N7/24C2
H04L1/18T5:	. . . . . Time-out mechanisms
H04L1/18T5M:	. . . . . . using multiple timers
H04L1/18T7:	. . . . . Scheduling and prioritising arrangements
H04L1/18T9:	. . . . . Transmission or retransmission of more than one copy of a message repetition in general H04L1/08
H04L1/20:	. using signal quality detector
H04L1/20C:	. . Frame classification, e.g. bad, good or erased frame indication per se H04L1/00F1E
H04L1/20E:	. . Details of error rate determination, e.g. BER, FER or WER
H04L1/20J:	. . jitter monitoring
H04L1/20M:	. . for modulated signals
H04L1/20R:	. . involving signal re-encoding
H04L1/22:	. using redundant apparatus to increase reliability see G06F11/08 to G06F11/20
H04L1/24:	. Testing correct operation
H04L1/24B:	. . using pseudo-errors
H04L1/24C:	. . by comparing a transmitted test signal with a locally generated replica
H04L1/24C1:	. . . at the transmitter, using a loop-back
H04L1/24C2:	. . . test sequence generators
H04L1/24D:	. . by using the properties of transmission codes
H04L1/24D1:	. . . two-level transmission codes, e.g. binary
H04L1/24D2:	. . . three-level transmission codes, e.g. ternary
H04L1/24M:	. . Distortion measuring systems measurement of non-linear distortion G01R23/20; measuring characteristics of individual pulses, e.g. deviation from pulse flatness, rise time, duration G01R29/02
H04L5/00:	Arrangements affording multiple use of the transmission path
H04L5/00A:	. Arrangements for dividing the transmission path duplexing H04L5/14; multiplexing of different sources on one path H04J
H04L5/00A2:	. . Two-dimensional division time-code division H04J11/00, H04J13/00; for time-space division H04B7/04M, H04B7/06M
H04L5/00A2A:	. . . Time-frequency
H04L5/00A2A1:	. . . . the frequencies being orthogonal e.g. OFDM(A), DMT
H04L5/00A2A11:	. . . . . [N: the frequencies being arranged in component carriers ]
H04L5/00A2A13:	. . . . . [N: Hopping in multicarrier systems (for frequency hopping in spread spectrum systems H04B1/713)]
H04L5/00A2A1W:	. . . . . Wavelet-division
H04L5/00A3:	. . Three-dimensional division time-code-space division H04B7/04M, H04B7/06M
H04L5/00A3A:	. . . Time-frequency-code
H04L5/00A3A1:	. . . . in which a distinct code is applied, as a temporal sequence, to each frequency
H04L5/00A3A3:	. . . . in which one code is applied, as a temporal sequence, to all frequencies
H04L5/00A3A5:	. . . . in which codes are applied as a frequency-domain sequences, e.g. MC-CDMA
H04L5/00A3C:	. . . Time-frequency-space
H04L5/00A3C1:	. . . . [N: Spatial division following the spatial signature of the channel]
H04L5/00A4:	. . Division using four or more dimensions
H04L5/00A9:	. . Variable division signaling therefor H04L5/00E1
H04L5/00C:	. Arrangements for allocating sub-channels of the transmission path
H04L5/00C1:	. . Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
H04L5/00C1A:	. . . each allocating device acting autonomously, i.e. without negotiation with other allocating devices
H04L5/00C1B:	. . . [N: Resource allocation in a cooperative multipoint environment ]
H04L5/00C2:	. . Inter-user or inter-terminal allocation
H04L5/00C2A:	. . . Frequency-contiguous, i.e. with no allocation of frequencies for one user or terminal between the frequencies allocated to another
H04L5/00C2B:	. . . Frequency-non-contiguous
H04L5/00C3:	. . intra-user or intra-terminal allocation
H04L5/00C4:	. . allocation of payload
H04L5/00C4A:	. . . Determination of how many bits are transmitted on different sub-channels
H04L5/00C5:	. . Allocation of pilot signals, i.e. of signals known to the receiver
H04L5/00C5A:	. . . of common pilots, i.e. pilots destined for multiple users or terminals
H04L5/00C5B:	. . . of dedicated pilots, i.e. pilots destined for a single user or terminal
H04L5/00C6:	. . Allocation of signaling, i.e. of overhead other than pilot signals
H04L5/00C6A:	. . . [N: Physical resource allocation for ACK/NACK (for physical mapping arrangements in ARQ protocols H04L1/18R11) ]
H04L5/00C6B:	. . . [N: Physical resource allocation for CQI]
H04L5/00C7:	. . Allocation criteria
H04L5/00C7A:	. . . Quality of the received signal, e.g. BER, SNR, water filling
H04L5/00C7B:	. . . Avoidance of ingress interference, e.g. ham radio channels
H04L5/00C7C:	. . . Rate requirement of the data, e.g. scalable bandwidth, data priority
H04L5/00C7D:	. . . Requirements on out-of-channel emissions
H04L5/00C7E:	. . . [N: Allocation algorithms which involve graph matching]
H04L5/00C7F:	. . . [N: Allocation based on distance or geographical location (allocation based on terminal or device properties in general, H04W72/04S2)]
H04L5/00C7G:	. . . [N: Allocation based on fairness other than the proportional kind]
H04L5/00C7H:	. . . [N: Allocation arrangements that take into account other cell interferences (for intercell interference mitigation or co-ordination in orthogonal multiplex systems H04J11/00F2)]
H04L5/00C7K:	. . . [N: Allocation using proportional fairness]
H04L5/00C7U:	. . . [N: Allocation utility-based]
H04L5/00C8:	. . Timing of allocation
H04L5/00C8A:	. . . once only, on installation
H04L5/00C8C:	. . . at predetermined intervals
H04L5/00C8C1:	. . . . symbol-by-symbol
H04L5/00C8E:	. . . when channel conditions change
H04L5/00C8G:	. . . when data requirements change
H04L5/00C8G1:	. . . . due to addition or removal of users or terminals
H04L5/00E:	. Signaling for the administration of the divided path
H04L5/00E1:	. . Indication of how the channel is divided
H04L5/00E2:	. . Indication of how sub-channels of the path are allocated
H04L5/00E3:	. . Indication of changes in allocation
H04L5/00E3A:	. . . [N: Signalling of the activation or deactivation of component carriers, subcarriers or frequency bands]
H04L5/02:	. Channels characterised by the type of signal
H04L5/02Q:	. . Multiplexing of multicarrier modulation signals multicarrier modulation H04L27/26M
H04L5/02Q1:	. . . using code division
H04L5/04:	. . the signals being represented by different amplitude or polarities, e.g. quadriplex
H04L5/06:	. . the signals being represented by different frequencies
H04L5/08:	. . . each combination of signals in different channels being represented by a fixed frequency e.g. twinplex; see H04L27/16
H04L5/10:	. . . with dynamo-electric generation of carriers; with mechanical filters or demodulators
H04L5/12:	. . the signals being represented by different phase modulations of a single carrier
H04L5/14:	. Two-way operation using the same type of signal, i.e. duplex
H04L5/14B:	. . Artificial lines or their setting for line transmission systems in general H04B3/40
H04L5/14C:	. . using control lines
H04L5/14D:	. . for simultaneous baseband signals
H04L5/14P:	. . for modulated signals H04L5/14T takes precedence
H04L5/14R:	. . [N: Negotiation of transmission parameters prior to communication (modified according to link quality H04L1/00A)]
H04L5/14R1:	. . . of transmission speed
H04L5/14R3:	. . . of modulation type
H04L5/14S:	. . Suppression of signals in the return path, i.e. bidirectional control circuits
H04L5/14T:	. . using time-sharing
H04L5/14T1:	. . . operating bitwise
H04L5/14T2:	. . . operating bytewise
H04L5/14T2B:	. . . . with time compression, e.g. operating according to the ping-pong technique
H04L5/16:	. . Half-duplex systems; Simplex-duplex switching; Transmission of break signals non automatically inverting the direction of transmission
H04L5/18:	. . Automatic changing of the traffic direction
H04L5/20:	. using different combinations of lines, e.g. phantom working phantom interconnection between telephone switching centres H04M7/08; coupling arrangements therefor H04L25/02K3
H04L5/22:	. using time-division multiplexing in general H04J3/00
H04L5/22T:	. . combined with the use of transition coding transition coding H04L25/493
H04L5/24:	. . with start-stop synchronous converters
H04L5/24B:	. . . with a number of discharge tubes or semiconductor elements which successively connect the different channels to the transmission channels see: H04L13/00 to H04L23/00, H03K5/15, H03K17/62, H04J3/04D
H04L5/26:	. . combined with the use of different frequencies
H04L7/00:	Arrangements for synchronising receiver with transmitter synchronisation of electronic time-pieces G04G7/00; synchronisation of generators of electric oscillations or pulses H03L; synchronising in TV system H04N5/04; regeneration of clock signals for television systems H04N7/035C
H04L7/00A:	. Initialisation of the receiver H04L7/00P and H04L7/10 take precedence
H04L7/00B:	. Synchronisation information channels, e.g. clock distribution lines
H04L7/00B2:	. . by comparing receiver clock with transmitter clock
H04L7/00C:	. [N: correction of synchronization errors]
H04L7/00C1:	. . [N: correction by interpolation]
H04L7/00C1B:	. . . [N: interpolation of clock signal]
H04L7/00C1D:	. . . [N: interpolation of received data signal]
H04L7/00C2:	. . Correction by delay
H04L7/00C2A:	. . . Delay of clock signal
H04L7/00C2B:	. . . Delay of data signal
H04L7/00C3:	. . Correction by a latch cascade
H04L7/00C4:	. . Correction by an elastic buffer
H04L7/00D:	. Detection of the synchronisation error by features other than the received signal transition by means of signal transition H04L7/033
H04L7/00D1:	. . [N: detection of error based on equalizer tap values]
H04L7/00D2:	. . [N: detection of error based on data decision error, e.g. Mueller type detection]
H04L7/00D3:	. . [N: detection of error based on transmission code rule]
H04L7/00D4:	. . [N: detection of error based on maximum signal power, e.g. peak value, maximizing autocorrelation]
H04L7/00P:	. with photonic or optical means
H04L7/00R:	. Receiver details
H04L7/00R2:	. . taking measures against momentary loss of synchronisation, e.g. inhibiting the synchronisation, using idle words or using redundant clocks
H04L7/00R4:	. . Preprocessing of received signal for synchronisation, e.g. by code conversion, pulse generation or edge detection
H04L7/00T:	. Transmitter details
H04L7/00Z:	. with mechanical means
H04L7/02:	. Speed or phase control by the received code signals, the signals containing no special synchronisation information H04L7/00P takes precedence; tuning or selecting resonant circuits H03J; using the properties of error detecting or correcting codes H04L7/04C
H04L7/027:	. . extracting the synchronising or clock signal from the received signal spectrum, e.g. by using a resonant or bandpass circuit
H04L7/027B:	. . . with squaring loop
H04L7/027C:	. . . with Costas loop
H04L7/027D:	. . . Self-sustaining, e.g. by tuned delay line and a feedback path to a logical gate
H04L7/027E:	. . . Band edge detection
H04L7/02V:	. . Tracking other signal characteristics or values
H04L7/02V1:	. . . of equaliser output signal or tap values
H04L7/033:	. . using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
H04L7/033B:	. . . with a digital phase-locked loop (PLL) processing binay samples, e.g. add/subtract logic for correction of receiver clock H04L7/033E takes precedence
H04L7/033C:	. . . with an integrator-detector
H04L7/033D:	. . . Processing of samples having at least three levels, e.g. soft decisions
H04L7/033D2:	. . . . Gardner detector
H04L7/033E:	. . . Selecting between two or more discretely delayed clocks or selecting between two or more discretely delayed received code signals
H04L7/033E2:	. . . . [N: the correction of the phase error being performed by a feed forward loop]
H04L7/04:	. Speed or phase control by synchronisation signals H04L7/00P takes precedence
H04L7/04B:	. . using special codes as synchronising signal
H04L7/04B1:	. . . Detectors therefor, e.g. correlators, state machines digital correlators in general G06F17/15
H04L7/04B10:	. . . using a dotting sequence
H04L7/04B2:	. . . Pseudo-noise (PN) codes variable during transmission synchronisation of spread spectrum receivers H04B1/69
H04L7/04B3:	. . . using a single bit, e.g. start stop bit
H04L7/04C:	. . using the properties of error detecting or error correcting codes, e.g. parity as synchronisation signal
H04L7/06:	. . the synchronisation signals differing from the information signals in amplitude, polarity, or frequency or length
H04L7/06B:	. . . and superimposed by modulation
H04L7/08:	. . the synchronisation signals recurring cyclically
H04L7/10:	. . Arrangements for initial synchronisation
H04L9/00:	Cryptographic mechanisms or cryptographic arrangements for secret or secure communication network architectures or network communication protocols for network security H04L63/00 or for wireless network security H04W12/00; security arrangements for protecting computers or computer systems against unauthorized activity G06F21/00
H04L9/00C:	. using chaotic signals
H04L9/00K:	. [N: Countermeasures against attacks on cryptographic mechanisms (network architectures or network communication protocols for protection against malicious traffic H04L63/14D)]
H04L9/00K2:	. . [N: for power analysis, e.g. differential power analysis [DPA] or simple power analysis [SPA]]
H04L9/00K4:	. . [N: for fault attacks]
H04L9/00K6:	. . [N: for timing attacks]
H04L9/00M:	. [N: involving public key infrastructure [PKI] trust models (network architecture or network communication protocol for supporting authentication of entities using certificates in a packet data network H04L63/08C)]
H04L9/00M6:	. . [N: involving hierarchical structures]
H04L9/00P:	. [N: involving homomorphic encryption]
H04L9/06:	. the encryption apparatus using shift registers or memories for block-wise [N: or stream] coding, e.g. DES systems [N: or RC4; Hash functions; Pseudorandom sequence generators]
H04L9/06B:	. . [N: including means for manipulating block length (H04L9/06R3 takes precedence)]
H04L9/06C:	. . [N: Countermeasures against differential power analysis]
H04L9/06D:	. . [N: Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation]
H04L9/06D2:	. . . [N: with splitting of the data block into left and right halves, e.g. Feistel based algorithms, DES, FEAL, IDEA or KASUMI]
H04L9/06D4:	. . . [N: Substitution permutation network [SPN], i.e. cipher composed of a number of stages or rounds each involving linear and nonlinear transformations, e.g. AES algorithms]
H04L9/06D6:	. . . [N: Modes of operation, e.g. cipher block chaining [CBC], electronic codebook [ECB] or Galois/counter mode [GCM]]
H04L9/06F:	. . [N: Hash functions, e.g. MD5, SHA, HMAC or f9 MAC]
H04L9/06M:	. . [N: Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3]
H04L9/06M2:	. . . [N: Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher]
H04L9/06M2B:	. . . . [N: with particular pseudorandom sequence generator]
H04L9/06M2B2:	. . . . . [N: producing a non-linear pseudorandom sequence]
H04L9/06R:	. . [N: including means for processing multiple rounds]
H04L9/06R1:	. . . specifically for Rijndael
H04L9/06R3:	. . . [N: with splitting of the data block into left and right halves, e.g. Feistel structures]
H04L9/06V:	. . [N: including variable substitution, permutation, order or number of rounds, controlled by a key and/or the input data]
H04L9/08:	. Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords network architectures or network communication protocols for supporting key management in a packet data network H04L63/06
H04L9/08B:	. . [N: using a key distribution center, a trusted party or a key server]
H04L9/08B2:	. . . [N: involving a conference key or a group key]
H04L9/08C:	. . [N: using a control vector]
H04L9/08D:	. . [N: using Diffie-Hellman key agreement]
H04L9/08D2:	. . . [N: with user authentication or key authentication]
H04L9/08F:	. . [N: Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use]
H04L9/08F2:	. . . [N: Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) (network architectures or network communication protocols for key distribution in a packet data network H04L63/06B)]
H04L9/08F2B:	. . . . [N: using key encryption key]
H04L9/08F2D:	. . . . using asymmetric-key encryption or public key infrastructure [PKI , e.g. key signature or public key certificates]
H04L9/08F2F:	. . . . [N: involving distinctive intermediate devices or communication paths (network architectures or network communication protocols using different networks H04L63/18)
H04L9/08F2H:	. . . . involving central third party, e.g. key distribution center [KDC or trusted third party [TTP]
H04L9/08F2H2:	. . . . . [N: involving conference or group key (network architectures or network communication protocols for key management in group communication in a packet data network H04L63/06C)]
H04L9/08F2H2B:	. . . . . . [N: using tree structure or hierarchical structure]
H04L9/08F4:	. . . [N: Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these (network architectures or network communication protocols for key exchange in a packet data network H04L63/06A)]
H04L9/08F4B:	. . . . [N: involving Diffie-Hellman or related key agreement protocols]
H04L9/08F4B2:	. . . . . [N: with user authentication or key authentication, e.g. ElGamal, MTI, MQV-Menezes-Qu-Vanstone protocol or Diffie-Hellman protocols using implicitly-certified keys]
H04L9/08F4D:	. . . . [N: involving identity based encryption [IBE] schemes]
H04L9/08F6:	. . . [N: Secret sharing or secret splitting, e.g. threshold schemes]
H04L9/08F8:	. . . [N: Quantum cryptography (transmission systems employing electromagnetic waves other than radio waves, e.g. light, infra-red H04B10; wavelength-division multiplex systems H04J14/02)]"
H04L9/08F8B:	. . . . [N: involving additional nodes, e.g. quantum relays, repeaters, intermediate nodes or remote nodes]
H04L9/08F8D:	. . . . [N: Details about key distillation or coding, e.g. reconciliation, error correction, privacy amplification, polarisation coding or phase coding]
H04L9/08H:	. . [N: Generation of secret information including derivation or calculation of cryptographic keys or passwords]
H04L9/08H10:	. . . [N: based on channel impulse response [CIR]]
H04L9/08H12:	. . . [N: using additional device, e.g. trusted platform module [TPM], smartcard, USB or hardware security module [HSM]]
H04L9/08H2:	. . . [N: involving passwords or one-time passwords (network architectures or network communication protocols for using one-time keys in a packet data network H04L63/06D)]
H04L9/08H4:	. . . [N: involving user or device identifiers, e.g. serial number, physical or biometrical information, DNA, hand-signature or measurable physical characteristics]
H04L9/08H6:	. . . [N: involving random numbers or seeds]
H04L9/08H8:	. . . [N: using geo-location information, e.g. location data, time, relative position or proximity to other entities]
H04L9/08M:	. . [N: Usage controlling of secret information, e.g. techniques for restricting cryptographic keys to pre-authorized uses, different access levels, validity of crypto-period, different key- or password length, or different strong and weak cryptographic algorithms (network architectures or network communication protocols for using time-dependent keys in a packet data network H04L63/06E)]
H04L9/08Q:	. . [N: using quantum cryptography]
H04L9/08R:	. . [N: using key recovery or key escrow]
H04L9/08S:	. . [N: using secret sharing]
H04L9/08T:	. . Revocation or update of secret information, e.g. encryption key update or rekeying
H04L9/08V:	. . [N: Escrow, recovery or storing of secret information, e.g. secret key escrow or cryptographic key storage]
H04L9/08V2:	. . . [N: involving additional devices, e.g. trusted platform module [TPM], smartcard or USB]
H04L9/10:	. with particular housing, physical features or manual controls not used; see H04L9/00
H04L9/12:	. Transmitting and receiving encryption devices synchronised or initially set up in a particular manner
H04L9/14:	. using a plurality of keys or algorithms [N: (network architectures or network communication protocols wherein the sending and receiving network entities apply hybrid encryption, i.e. combination of symmetric and asymmetric encryption H04L63/04B4)]
H04L9/16:	. . the keys or algorithms being changed during operation
H04L9/18:	. Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems
H04L9/20:	. . Pseudorandom key sequence combined element-for-element with data sequence not used; see H04L9/18
H04L9/22:	. . . with particular pseudorandom sequence generator
H04L9/24:	. . . . sequence produced by more than one generator not used; see H04L9/22
H04L9/26:	. . . . producing a non-linear pseudorandom sequence
H04L9/28:	. using particular encryption algorithm
H04L9/30:	. Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
H04L9/30B:	. . [N: underlying computational problems or public-key parameters]
H04L9/30B2:	. . . [N: involving the discrete logarithm problem, e.g. ElGamal or Diffie-Hellman systems]
H04L9/30B4:	. . . [N: involving the integer factorization problem, e.g. RSA or quadratic sieve [QS] schemes]
H04L9/30B6:	. . . [N: details relating to polynomials generation, e.g. generation of irreducible polynomials]
H04L9/30B8:	. . . [N: details relating to pseudo-prime or prime number generation, e.g. primality test)]
H04L9/30E:	. . [N: based on error correction codes, e.g. McEliece]
H04L9/30F:	. . [N: based on factoring a large integer, e.g. Rivest-Shamir-Adleman [RSA]]
H04L9/30K:	. . based on a modular knapsack
H04L9/30L:	. . [N: based on discrete logarithm, e.g. ElGamal]
H04L9/30M:	. . [N: involving algebraic varieties, e.g. elliptic or hyper-elliptic curves]
H04L9/30M2:	. . . [N: involving pairings, e.g. identity based encryption [IBE], bilinear mappings or bilinear pairings, e.g. Weil or Tate pairing]
H04L9/30P:	. . [N: based on polynomial equations]
H04L9/30Q:	. . [N: based on probabilistic schemes]
H04L9/30R:	. . [N: involving Lattices or polynomial equations, e.g. NTRU scheme]
H04L9/32:	. including means for verifying the identity or authority of a user of the system [N: or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials] ([N: network architectures or network communication protocols for supporting entities authentication in a packet data network H04L63/08; applying verification of the received information H04L63/12;] computer systems G06F; coin-freed or like apparatus with coded identity card or credit card G07F7/08)
H04L9/32A:	. . [N: involving a third party or a trusted authority]
H04L9/32B:	. . [N: using a non-public key algorithm]
H04L9/32C:	. . [N: using zero-knowledge proof]
H04L9/32D:	. . [N: involving a third party or a trusted authority]
H04L9/32D2:	. . . [N: using tickets or tokens, e.g. Kerberos (network architectures or network communication protocols for entities authentication using tickets in a packet data network H04L63/08A)]
H04L9/32F:	. . [N: using a plurality of channels (network architectures or network communication protocols using different networks H04L63/18)]
H04L9/32G:	. . [N: using proof of knowledge, e.g. Fiat-Shamir, GQ, Schnorr, ornon-interactive zero-knowledge proofs]
H04L9/32G2:	. . . [N: interactive zero-knowledge proofs]
H04L9/32H:	. . [N: using hash functions]
H04L9/32J:	. . [N: using a predetermined code, e.g. password, passphrase or PIN (network architectures or network communication protocols for supporting authentication of entities using passwords in a packet data network H04L63/08D)]
H04L9/32J2:	. . . [N: One-time or temporary data, i.e. information which is sent for every authentication or authorization, e.g. one-time-password, one-time-token or one-time-key]
H04L9/32J4:	. . . [N: Biological data, e.g. fingerprint, voice or retina (network architectures or network communication protocols for supporting authentication of entities using biometrical features in a packet data network H04L63/08F)]
H04L9/32K:	. . [N: involving additional secure or trusted devices, e.g. TPM, smartcard, USB or software token (network architectures or network communication protocols for supporting authentication of entities using an additional device in a packet data network H04L63/08E)]
H04L9/32L:	. . [N: using cryptographic hash functions]
H04L9/32L2:	. . . [N: involving non-keyed hash functions, e.g. modification detection codes [MDCs], MD5, SHA or RIPEMD]
H04L9/32L4:	. . . [N: involving keyed hash functions, e.g. message authentication codes [MACs], CBC-MAC or HMAC]
H04L9/32M:	. . [N: for message authentication (H04L9/32S takes precedence)]
H04L9/32N:	. . [N: involving digital signatures]
H04L9/32N2:	. . . [N: using RSA or related signature schemes, e.g. Rabin scheme]
H04L9/32N4:	. . . [N: using DSA or related signature schemes, e.g. elliptic based signatures, ElGamal or Schnorr schemes]
H04L9/32N6:	. . . [N: using group based signatures, e.g. ring or threshold signatures]
H04L9/32N8:	. . . [N: using blind signatures]
H04L9/32P:	. . [N: involving the concurrent use of a plurality of channels of different nature]
H04L9/32Q:	. . [N: involving certificates, e.g. public key certificate [PKC] or attribute certificate [AC]; Public key infrastructure [PKI] arrangements (network architectures or network communication protocols for supporting authentication of entities using certificates in a packet data network H04L63/08C)]
H04L9/32Q2:	. . . [N: using certificate chains, trees or paths; Hierarchical trust model]
H04L9/32Q4:	. . . [N: using certificate validation, registration, distribution or revocation, e.g. certificate revocation list [CRL]]
H04L9/32R:	. . [N: using challenge-response]
H04L9/32R2:	. . . [N: for mutual authentication (network architectures or network communication protocols for achieving mutual authentication in a packet data network H04L63/08G)]
H04L9/32R4:	. . . [N: involving splitting up or repeating the challenge and/or response]
H04L9/32R6:	. . . [N: using physically unclonable functions [PUF]]
H04L9/32S:	. . [N: using electronic signatures]
H04L9/32S1:	. . . [N: using blind signatures]
H04L9/32S3:	. . . [N: involving a plurality or a group of signers]
H04L9/32S5:	. . . [N: with message recovery]
H04L9/32S5P:	. . . . [N: with partial message recovery]
H04L9/32T:	. . [N: using time stamps or public key certificates]
H04L9/32V:	. . [N: involving time stamps, e.g. generation of time stamps]
H04L9/34:	. Bits, or blocks of bits, of the telegraphic message being interchanged in time for speech signals H04K1/06
H04L9/36:	. with means for detecting characters not meant for transmission
H04L9/38:	. Encryption being effected by mechanical apparatus, e.g. rotating cams, switches, keytape punchers
H04L12/00:	Data switching networks
H04L12/02:	. Details
H04L12/26T1:	. . . . Distortion measuring systems (measurement of non-linear distortion in general G01R23/20, measuring characteristics of individua pulses, e.g. deviation from pulse flatness, rise time, duration G01R29/02)
H04L12/04:	. . Switchboards
H04L12/56D5R:	. . . . . With actions at intermediate nodes, e.g. Resource Reservation Protocol (RSVP)[N0310]
H04L12/56E:	. . .  Fast packet switching[C9409]
H04L12/56E1:	. . . . by space division, e.g. banyan, cross-bar, bus-matrix (selecting arrangements H04Q3/68)[C9409]
H04L12/56E2:	. . . . by a shared medium, e.g. bus, ring (bus transmission systems H04L12/40, loop transmission systems H04L12/42)[C9409]
H04L12/56E3:	. . . . by a shared memory (time switching H04Q11/08)[C9409]
H04L12/56E6:	. . . . Multilayer switching, e.g. IP switching[N0310]
H04L12/56E8:	. . . . LAN switches, e.g. Ethernet switches[N0310]
H04L12/56F20:	. . . .  Ingress point selection, e.g. ISP selection[N0807]
H04L12/56F20A:	. . . . .  Selection among different networks[N0807]
H04L12/56Q1:	. . . . Buffering arrangements in a network node or end terminal[N0310]
H04L12/56Q3:	. . . . Queue scheduling, e.g. Round Robin[N0310]
H04L12/06:	. . Answer-back mechanisms or circuits
H04L12/08:	. . Alloting numbers to messages; Counting characters, words or messages
H04L12/10:	. . Current supply arrangements
H04L12/12:	. . Arrangements for remote connection or disconnection of substations or of equipment thereof
H04L12/14:	. . Metering, charging or billing arrangements specially adapted for data wireline or wireless communications (payment schemes, architectures or protocols per se G06Q20)
H04L12/14A:	. . . [N: Architecture for metering, charging or billing]
H04L12/14A1:	. . . . [N: Policy-and-charging control [PCC] architecture]
H04L12/14C:	. . . [N: Indication of costs]
H04L12/14C1:	. . . . [N: in real-time]
H04L12/14C1A:	. . . . . [N: Advice of charge with threshold, e.g. user indicating maximum cost]
H04L12/14C2:	. . . . [N: Indication of expected costs]
H04L12/14F:	. . . [N: involving dedicated fields in the data packet for billing purposes]
H04L12/14J:	. . . [N: Invoice generation, e.g. customization, lay-out, database processing, algorithms for calculating the bill or formatting invoices as WWW pages (invoicing in general G06Q30/00B)]
H04L12/14M:	. . . [N: Metric aspects]
H04L12/14M1:	. . . . [N: volume-based]
H04L12/14M2:	. . . . [N: time-based]
H04L12/14N:	. . . [N: at network operator level]
H04L12/14N1:	. . . . [N: inter-operator billing]
H04L12/14N2:	. . . . [N: trading network capacity or selecting route based on tariff]
H04L12/14P:	. . . [N: Methods or systems for payment or settlement of the charges for data transmission involving significant interaction with the data transmission network]
H04L12/14P1:	. . . . [N: using an account]
H04L12/14P2:	. . . . [N: using digital cash]
H04L12/14P3:	. . . . [N: using a card, such as credit card, prepay card or SIM]
H04L12/14P4:	. . . . [N: involving prepayment]
H04L12/14P5:	. . . . [N: splitting of costs]
H04L12/14P5A:	. . . . . [N: the splitting involving a third party]
H04L12/14P5B:	. . . . . [N: the splitting involving only the communication parties]
H04L12/14P6:	. . . . [N: involving use of telephony infrastructure for billing for the transport of data, e.g. call detail record [CDR] or intelligent network infrastructure]
H04L12/14T:	. . . [N: Tariff-related aspects]
H04L12/14T1:	. . . . [N: dependent on congestion]
H04L12/14T2:	. . . . [N: negotiation of tariff]
H04L12/14T3:	. . . . [N: involving discounts]
H04L12/16:	. . Arrangements for providing special services to substations contains provisionally no documents
H04L12/18:	. . . for broadcast or conference , e.g. multicast multicast or broadcast switches H04L12/56S3A
H04L12/18B:	. . . . for stock exchange and similar applications
H04L12/18C:	. . . . for auctioneering devices
H04L12/18D:	. . . . for computer conferences, e.g. chat rooms protocols for multimedia communication H04L29/06C2; signaling and real-time protocols for multimedia conference H04L29/06M4C; instant messaging H04L12/58B; telephonic conference arrangements H04M3/56; television conference systems H04N7/15
H04L12/18D1:	. . . . . Conference organisation arrangements, e.g. handling schedules, setting up parameters needed by nodes to attend a conference, booking network resources, notifying involved parties
H04L12/18D2:	. . . . . Conducting the conference, e.g. admission, detection, selection or grouping of participants, correlating users to one or more conference sessions, prioritising transmission
H04L12/18D3:	. . . . . Network arrangements for conference optimisation or adaptation
H04L12/18D4:	. . . . . Tracking arrangements for later retrieval, e.g. recording contents, participants activities or behavior, network status
H04L12/18E:	. . . . with heterogeneous network architecture
H04L12/18E1:	. . . . . with heterogeneous receivers, e.g. layered multicast
H04L12/18L:	. . . . broadcast or multicast in a specific location, e.g. geocast protocols for adapting network applications to user terminal location H04L29/08N17; services specially adapted for wireless communication networks making use of the location of users or terminals H04W4/02
H04L12/18M:	. . . . with management of multicast group membership
H04L12/18N:	. . . . with non-centralised forwarding system, e.g. chaincast
H04L12/18P:	. . . . adapted to provide push services, e.g. data channels
H04L12/18R:	. . . . comprising mechanisms for improved reliability, e.g. status reports arrangements for detecting or preventing errors by carrying supervisory signal the return channel H04L1/16
H04L12/18R1:	. . . . . Measures taken after transmission, e.g. acknowledgments
H04L12/18R1A:	. . . . . . avoiding ACK or NACK implosion
H04L12/18R2:	. . . . . Measures taken prior to transmission
H04L12/18S:	. . . . with schedule organisation, e.g. priority, sequence management
H04L12/18T:	. . . . with traffic restrictions for efficiency improvement, e.g. involving subnets or subdomains
H04L12/18W:	. . . . in combination with wireless systems selective distribution or broadcast in wireless communication networks H04W4/06
H04L12/18Y:	. . . . for short real-time information, e.g. alarms, notifications, alerts, updates
H04L12/22:	. . Arrangements for preventing the taking of data from a data transmission channel without authorisation
H04L12/24:	. . Arrangements for maintenance or administration
H04L12/24A:	. . . involving integration or standardization
H04L12/24A1:	. . . . using standardized network management architectures, e.g. TMN [Telecommunication Management network , UNMA [Unified Network Management Architecture]
H04L12/24A2:	. . . . using standardized network management protocols, e.g. SNMP [Simple Network Management Protocol , CMIP [Common Management Interface Protocol]
H04L12/24A3:	. . . . Multivendor or multistandard integration
H04L12/24A4:	. . . . Mapping or translation of multiple network management protocols
H04L12/24A5:	. . . . using object oriented techniques, e.g. CORBA [Common Object Request Broker Architecture for representation of network management data
H04L12/24A6:	. . . . using relational databases for representation of network management data, e.g. managing via SQL [Structured Query Language
H04L12/24A7:	. . . . using Internet technology, e.g. a standard Web Browser at the management workstation
H04L12/24B:	. . . Architectural aspects of network management arrangements
H04L12/24B1:	. . . . Arrangements involving multiple distributed management centers cooperatively managing the network
H04L12/24B2:	. . . . Arrangements involving a hierarchical management structure
H04L12/24B3:	. . . . Aspects of network management Agents
H04L12/24B4:	. . . . Arrangements involving CNM [Customer Network Management
H04L12/24C:	. . . involving network analysis
H04L12/24C1:	. . . . using statistical methods, e.g. distribution tests, or establishing statistical profiles, or calculating probabilities
H04L12/24C2:	. . . . for automatically determining the actual topology of a network Topology discovery in routers H04L12/56C1
H04L12/24C3:	. . . . Service management, i.e. managing value added network services and related parameters, e.g. SLA [Service Level Agreements , responsetimes, performance, throughput]
H04L12/24C4:	. . . . involving monitoring of all traffic over a specific network link
H04L12/24D:	. . . involving management of faults or events or alarms
H04L12/24D1:	. . . . Alarm or event filtering, e.g. for reduction of information
H04L12/24D2:	. . . . Alarm and event correlation
H04L12/24D3:	. . . . Automatic restoration of network faults
H04L12/24D4:	. . . . involving Artificial Intelligence algorithms, e.g. expert systems, rule based systems, genetic algorithms
H04L12/24E:	. . . Configuration management of network or network elements management of devices network applications for proprietary or special purpose network environments H04L29/08N11M; automatic configuration in wireless networks H04W24/02
H04L12/24E1:	. . . . Configuration setting of network or network elements]
H04L12/24E1A:	. . . . . for initial configuration or provisioning
H04L12/24E1A1:	. . . . . . Plug-and-play configuration
H04L12/24E1B:	. . . . . Changing of configuration
H04L12/24E1B1:	. . . . . . due to adaptation, e.g. in response to network events
H04L12/24E1B2:	. . . . . . due to updating or upgrading of network functionality, e.g. firmware topology update or discovery for routing purposes H04L12/56C1
H04L12/24E1B3:	. . . . . . Configuration optimization
H04L12/24E1B3A:	. . . . . . . for network cost reduction
H04L12/24E1B3B:	. . . . . . . for network speed increase
H04L12/24E1B3C:	. . . . . . . to reduce network energy consumption
H04L12/24E1B3D:	. . . . . . . to enhance reliability, e.g. reduce downtime
H04L12/24E1C:	. . . . . Configuration by copying
H04L12/24E1C1:	. . . . . . based on generic templates
H04L12/24E1C2:	. . . . . . based on copy from other elements
H04L12/24E2:	. . . . Bandwidth or capacity management, i.e. automatically increasing or decreasing capacities, e.g. bandwidth on demand
H04L12/24E3:	. . . . Assignment of logical groupings to network elements; Policy based network management or configuration
H04L12/24E4:	. . . . Keeping track of network configuration
H04L12/24E4A:	. . . . . by actively collecting or retrieving configuration information
H04L12/24E4B:	. . . . . by archiving or backing up configuration information
H04L12/24E4C:	. . . . . by keeping history of different configuration generations or versions
H04L12/24E4D:	. . . . . by rolling back to previous configuration versions
H04L12/24E5:	. . . . Checking configuration
H04L12/24E5A:	. . . . . by validating configuration within one network element
H04L12/24E5B:	. . . . . by checking configuration conflicts with other network elements
H04L12/24E6:	. . . . Aspects of the degree of configuration automation
H04L12/24E6A:	. . . . . Manual configuration through operator
H04L12/24E6B:	. . . . . Semiautomatic configuration, e.g. proposals from system
H04L12/24E6C:	. . . . . Fully automatic configuration
H04L12/24E7:	. . . . Techniques to speed-up the configuration process
H04L12/24F:	. . . Hardware and software tools for network management
H04L12/24F1:	. . . . for network design, e.g. with integrated simulation and design testing
H04L12/24F2:	. . . . Network management software packages
H04L12/24F3:	. . . . using GUI [Graphical User Interface
H04L12/24F4:	. . . . using dedicated network management hardware
H04L12/24F5:	. . . . using dedicated tools for LAN [Local Area Network management]
H04L12/24G:	. . . Security in network management, e.g. restricting network management access protocols or architecture for network security H04L29/06S
H04L12/24H:	. . . Decision processes by autonomous network management units using voting and bidding
H04L12/24I:	. . . Specific management aspects for broadband networks
H04L12/24S:	. . . Network service management, ensuring proper service fulfilment according to an agreement or contract between two parties, e.g. between an IT-provider and a customer
H04L12/24S1:	. . . . Managing SLA [Service Level Agreement or interaction between SLA and QoS [Quality of Service]]
H04L12/24S1A:	. . . . . Defining or negotiating SLA contracts, guarantees or penalties SLA negotiation in wireless networks H04W28/24
H04L12/24S1B:	. . . . . Measuring SLA quality parameters, e.g. against possible contract or guarantee violations Monitoring performance metrics on a simple network level H04L12/26M3
H04L12/24S1B1:	. . . . . . determining service availability
H04L12/24S1B1A:	. . . . . . . based on actual status of service availability, e.g. which services are available at this point in time
H04L12/24S1B1B:	. . . . . . . based statistics of service availability, e.g. in percentage or over a given time
H04L12/24S1B2:	. . . . . . determining service performance, i.e. performance on service level, e.g. response time or MTBF [Mean Time Between Failure ]
H04L12/24S1C:	. . . . . Ensuring SLA flow or congestion control at network level H04L12/56D
H04L12/24S1C1:	. . . . . . by giving priorities, e.g. assigning classes of service
H04L12/24S1C2:	. . . . . . by proactively reacting to service quality change e.g. degradation or upgrade) by reconfiguration (mere restoration of network faults H04L12/24D3
H04L12/24S1D:	. . . . . Service quality level based billing, e.g. dependent on measured service level customer is charged more or less general charging or billing for transport of data packets H04L12/14
H04L12/24S1E:	. . . . . Generating service level reports
H04L12/24S1F:	. . . . . Measuring contribution of individual network components to actual service level alarm or event correlation H04L12/24D2
H04L12/24S1G:	. . . . . Testing of service level quality
H04L12/24S2:	. . . . Service implementation
H04L12/24S2A:	. . . . . Making service definitions prior to deployment
H04L12/24S2A1:	. . . . . . Automatic or semi-automatic definitions, e.g. definition templates
H04L12/24S2A2:	. . . . . . Service on demand, i.e. services are defined and provided in real time as requested by the user
H04L12/24S2B:	. . . . . Automatic provisioning of the service triggered by the service manager, e.g. concrete service implementation by automatic configuration of network components for initializing configuration, i.e. provisioning of network or devices H04L12/24E1
H04L12/24S3:	. . . . Service discovery by the Service Manager automatically determining the actual topology of a network H04L12/24C2; topology discovery in routers H04L12/56C1; arrangements for service discovery, e.g. Service Location Protocol SLPH04L29/08N15
H04L12/24S4:	. . . . Customer care
H04L12/24S4A:	. . . . . Customer Relationship Management for arrangements involving Customer Network Management, i.e. giving the customer access to network management functions H04L12/24B4
H04L12/24S4B:	. . . . . Customer-centric QoS [Quality of Service measurement]
H04L12/24S4C:	. . . . . Filtering out customers affected by service problems
H04L12/24S4D:	. . . . . Handling of Trouble Tickets
H04L12/24S5:	. . . . Managing simple transport services, i.e. providing only network infrastructure
H04L12/24S6:	. . . . based on type of value added network service under agreement
H04L12/24S6A:	. . . . . wherein the managed service relates to web hosting web hosting as such H04L29/08N1, web-browsers G06F17/30W, video-hosting H04N21/2743
H04L12/24S6B:	. . . . . wherein the managed service relates to voice services protocols for real-time multimedia communications H04L29/06M; management of telephonic communication services H04M3/22; management of VoIP services H04M7/00M24
H04L12/24S6C:	. . . . . wherein the managed service relates to audio / video / TV protocols for real-time multimedia communications H04L29/06M; interactive television or VoD H04N21
H04L12/24S6D:	. . . . . wherein the managed service relates to messaging messaging, such as e-mail in packet-switching networks H04L12/58
H04L12/24S6E:	. . . . . wherein the managed service relates to chat services conducting a computer conference H04L12/18D2; instant messaging H04L12/58B
H04L12/24S6F:	. . . . . wherein the managed service relates to access to distributed or central networked applications)
H04L12/24S6G:	. . . . . wherein the managed service relates to media content delivery over network
H04L12/26:	. . Monitoring arrangements; Testing arrangements
H04L12/26M:	. . . Monitoring arrangements
H04L12/26M1:	. . . . involving a reduction of monitoring data
H04L12/26M1A:	. . . . . using sampling of monitoring data, i.e. storing only a selection of packets
H04L12/26M1A1:	. . . . . . using adaptive sampling
H04L12/26M1B:	. . . . . using flow Flow generation
H04L12/26M1C:	. . . . . using filtering alarm or event filtering H04L12/24D1
H04L12/26M2:	. . . . processing of captured monitoring data
H04L12/26M2A:	. . . . . for graphical visualization of monitoring data graphical user interfaces H04L12/24F3
H04L12/26M2B:	. . . . . Report generation
H04L12/26M2B1:	. . . . . . for traffic related reporting
H04L12/26M2B2:	. . . . . . for device related reporting reporting of sensed information of home appliances H04L12/28H
H04L12/26M2B3:	. . . . . . for time frame related reporting
H04L12/26M3:	. . . . Monitoring using or based on specific metrics
H04L12/26M3A:	. . . . . based on availability
H04L12/26M3A1:	. . . . . . based on connectivity
H04L12/26M3A2:	. . . . . . based on functioning monitoring the activity of the application user H04L29/08N21; monitoring appliance functionality of home appliances H04L12/28H
H04L12/26M3B:	. . . . . using errors management of events, faults or alarms H04L12/24D
H04L12/26M3B1:	. . . . . . using packet loss
H04L12/26M3B1A:	. . . . . . . using one way packet loss
H04L12/26M3B1B:	. . . . . . . using round trip packet loss
H04L12/26M3B2:	. . . . . . based on transmission error
H04L12/26M3C:	. . . . . based on delays
H04L12/26M3C1:	. . . . . . based on one way delays
H04L12/26M3C2:	. . . . . . based on round trip delays
H04L12/26M3C3:	. . . . . . based on Jitter
H04L12/26M3D:	. . . . . based on network utilization
H04L12/26M3D1:	. . . . . . based on utilization of link capacity
H04L12/26M3D2:	. . . . . . based on throughput
H04L12/26M3D3:	. . . . . . based on packet rate
H04L12/26M4:	. . . . using active monitoring, e.g. heartbeat protocols, polling, ping, trace-route
H04L12/26M4A:	. . . . . with adaptive polling, i.e. dynamically adapting the polling rate
H04L12/26M4B:	. . . . . by adding timestamps to packets
H04L12/26M5:	. . . . using dedicated network monitoring probes
H04L12/26M6:	. . . . using software, i.e. software packages
H04L12/26M7:	. . . . using threshold monitoring
H04L12/26M8:	. . . . using protocol analyzers
H04L12/26T:	. . . Testing equipment; Routine testing
H04L12/28:	. characterised by path configuration, e.g. local area networks (LAN), wide area networks (WAN)
H04L12/28B:	. . Broadband local area networks
H04L12/28H:	. . Home automation networks
H04L12/28H1:	. . . Home Audio Video Interoperability (HAVI) networks
H04L12/28H2:	. . . Exchanging configuration information on appliance services in a home automation network adress allocation H04L29/12A3; arrangements for maintenance or administration involving network analysis for automatically determining the actual topology of a network H04L12/24C2; hardware or software tools for network management using graphical user interfaces H04L12/24F3
H04L12/28H2A:	. . . . indicating that an appliance service is present in a home automation network monitoring functionality H04L12/26M3A2; arrangements for service discovery H04L29/08N15
H04L12/28H2B:	. . . . indicating a format for calling an appliance service function in a home automation network protocols for network applications involving the use of web-based technology H04L29/08N1A
H04L12/28H2C:	. . . . describing content present in a home automation network, e.g. audio video content retrieval from the Internet G06F17/30W
H04L12/28H2D:	. . . . Exchanging control software or macros for controlling appliance services in a home automation network arrangements for maintenance or administration involving configuration of the network and network elements H04L12/24E
H04L12/28H3:	. . . Controlling appliance services of a home automation network by calling their functionalities arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station; in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom H04Q9/00
H04L12/28H3A:	. . . . from a device located outside both the home and the home network access arrangements H04L12/28P1; protocols for network applications involving the use of web-based technology for remote control or remote monitoring H04L29/08N1A; telephonic communication systems adapted for combination with remote control systems H04M11/00B; arrangements for transmitting signals characterised by the use of a wireless eletrical link G08C17/00
H04L12/28H3B:	. . . . based on user interaction within the home receiver circuitry for displaying additional information being controlled by a remote control apparatus H04N5/445R
H04L12/28H3C:	. . . . Avoiding conflicts related to the use of home appliances arrangements for network security H04L29/06S
H04L12/28H4:	. . . Reporting information sensed by appliance or service execution status of appliance services in a home automation network device-related reporting H04L1/26M2B2; arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom H04Q9/00
H04L12/28H4A:	. . . . Reporting to a device located outside the home and the home network access arrangements H04L12/28P1; protocols for network applications involving the use of web-based technology for remote control or remote monitoring H04L29/08N1A; telephonic communication systems adapted for combination with telemetering systems H04M11/00A
H04L12/28H4B:	. . . . Reporting to a device within the home network; wherein the reception of the information reported automatically triggers the execution of a home appliance functionality
H04L12/28H4B1:	. . . . . involving user profiles according to which the execution of a home appliance functionality is automatically triggered
H04L12/28H5:	. . . Processing of data at an internetworking point of a home automation network
H04L12/28H5A:	. . . . Interconnection of the control functionalities between home networks single bridge functionality H04L12/46B7B
H04L12/28H5B:	. . . . Switching of information between an external network and a home network access arrangements H04L12/28P1
H04L12/28H5C:	. . . . Protocol conversion between an external network and a home network protocol conversion H04L29/06E; adaptation of digital video signals for transport over a specific home network H04N7/24T6; controlling appliance services of a home automation network from a device located outside the home and the home network H04L12/28H3A
H04L12/28H6:	. . . Distribution of signals within a home automation network, e.g. involving splitting/multiplexing signals to/from different paths adaptations of television systems for transmission by electric cable for domestic distribution H04N7/10H; hybrid transport H04L12/64B; home network arrangements specially adapted for distribution of digital video signals H04N7/24N
H04L12/28M:	. . Metropolitan area networks
H04L12/28P:	. . Wide area networks, e.g. public data networks
H04L12/28P1:	. . . Access arrangements, e.g. Internet access asynchronous transfer mode networks H04L12/56A; broadband local area networks H04L12/28B; optical access or distribution networks H04Q11/00P4C; access to open networks H04L12/56F; digital subscriber line end-user equipment and bit-level processing of data on a PSTN-based network H04M11/00; home network gateways H04L12/28H5B; wireless access networks H04W
H04L12/28P1A:	. . . . Network selection, e.g. according to the nature of the information to be transfered[N0009]
H04L12/28P1B:	. . . . Access network architectures
H04L12/28P1B1:	. . . . . Point-to-point connection between the data network and the subscribers encapsulation H04L12/46E; virtual LANs H04L12/46V; routing of packets H04L12/56C
H04L12/28P1B2:	. . . . . Point-to-multipoint connection from the data network to the subscribers
H04L12/28P1C:	. . . . Arrangements for combining access network resources elements, e.g. channel bonding multichannel protocols H04L29/06H; routing of packets H04L12/56C; modem pooling H04L25/14
H04L12/28P1C1:	. . . . . Logical combinations
H04L12/28P1C2:	. . . . . Physical combinations
H04L12/28P1D:	. . . . Operational details of access network equipments admission control or resource allocation in access networks H04L12/56F1
H04L12/28P1D1:	. . . . . Remote access server, e.g. BRAS
H04L12/28P1D1A:	. . . . . . Termination of subscriber connections
H04L12/28P1D1B:	. . . . . . Processing of data for distribution to the subscribers
H04L12/28P1D1C:	. . . . . . Handling of subscriber policies group policies management H04L12/24E3
H04L12/28P1D2:	. . . . . Access multiplexer, e.g. DSLAM generic distributed time multiplexers, e.g. TDM/TDMA H04J3/16D
H04L12/28P1D2A:	. . . . . . characterised by the network type on the uplink side, i.e. towards the service provider network
H04L12/28P1D2A1:	. . . . . . . IP/Ethernet DSLAM
H04L12/28P1D2A2:	. . . . . . . ATM DSLAM
H04L12/28P1D2A3:	. . . . . . . Arrangements interfacing with optical systems optical network equipment H04B10/00; optical multiplexers H04J14/00
H04L12/28P1D2B:	. . . . . . characterised by the offered subscriber services
H04L12/28P1D2B1:	. . . . . . . Multiservice, e.g. MSAN
H04L12/28P1D2B2:	. . . . . . . Single service
H04L12/28P1D2C:	. . . . . . characterised by the access multiplexer architecture
H04L12/28P1D2C1:	. . . . . . . Centralized processing
H04L12/28P1D2C2:	. . . . . . . Distributed processing, e.g. on line cards
H04L12/28P1D3:	. . . . . Subscriber equipments DSL modems H04M11/06B; cable modems H04L12/28B
H04L12/28W:	. .  Wireless local area networks (packet radio networks H04L12/56B; radio transmission systems H04B7/00; transmission systems using electromagnetic waves other than radio waves H04B10/00)
H04L12/40:	. . Bus networks
H04L12/403:	. . . with centralised control, e.g. polling
H04L12/403B:	. . . . in which slots of a TDMA packet structure are assigned based on a contention resolution carried out at a master unit TDM/TDMA multiplex systems per se H04J3/16D; hybrid switching systems H04L12/64
H04L12/407:	. . . with decentralised control
H04L12/40A:	. . . Architecture of a communication node intermediate storage or scheduling H04L12/56Q; current supply arrangements H04L12/10
H04L12/40A1:	. . . . Details regarding a bus controller
H04L12/40A2:	. . . . Details regarding a bus master
H04L12/40A3:	. . . . Details regarding a bus guardian
H04L12/40A4:	. . . . Details regarding a bus interface enhancer
H04L12/40A5:	. . . . Details regarding the setting of the power status of a node according to activity on the bus
H04L12/40A6:	. . . . Details regarding the feeding of energy to the node from the bus
H04L12/40F:	. . . High-speed IEEE 1394 serial bus bus transfer protocol on a daisy chain bus using an embedded synchronisation G06F13/42D6
H04L12/40F1:	. . . . Isochronous transmission
H04L12/40F10:	. . . . Interconnection of audio or video/imaging devices home automation networks H04L12/28H; bitstream network arrangements specially adapted for distribution of digital video signals H04N7/24N
H04L12/40F11:	. . . . Interconnection of computers and peripherals printer information exchange with computer G06F3/12C
H04L12/40F2:	. . . . Bandwidth and channel allocation home automation networks H04L12/28H; flow control H04L12/56D
H04L12/40F3:	. . . . Packet processing; Packet format packet switches H04L12/56S; intermediate storage or scheduling H04L12/56Q; Adaptation of digital video signals for transport over a specific network H04N7/24T6
H04L12/40F4:	. . . . Bus configuration home automation networks H04L12/28H; Arrangements for maintenance or administration H04L12/24
H04L12/40F5:	. . . . Bus arbitration
H04L12/40F6:	. . . . Bus bridging LAN interconnection over a bridge based backbone H04L12/46B7; single bridge functionality H04L12/46B7
H04L12/40F7:	. . . . Interconnection with other networks LAN interconnection over a bridge based backbone H04L12/46B7; single bridge functionality H04L12/46B7
H04L12/40F8:	. . . . Security; Encryption; Content protection arrangements for network security H04L29/06S
H04L12/40F9:	. . . . Wireless (wireless communication networks H04W)
H04L12/40M:	. . . Management of data rate on the bus systems modifying transmission characteristics according to link quality H04L1/00A; negotiation of transmission parameters of transmission speed prior to communication H04L5/14R1; adaptive data allocation for multicarrier modulation H04L27/26M1P
H04L12/40M1:	. . . . Nodes adapting their rate to the physical link properties LAN switches H04L12/56S8A
H04L12/40P:	. . . involving priority mechanisms intermediate storage or scheduling H04L12/56Q; hybrid switching fabrics H04L12/64A; time-division multiplex systems H04J3/00
H04L12/40P1:	. . . . by scheduling the transmission of messages at the communication node
H04L12/40P2:	. . . . by using dedicated slots associated with a priority level
H04L12/40P3:	. . . . by assigning priority to messages according to a message field
H04L12/40R:	. . . Flexible bus arrangements arrangements for maintenance or administration involving management of faults; events, alarms H04L12/24D; automatic restoration of network faults H04L12/24D3
H04L12/40R1:	. . . . involving redundancy error detection or correction of the data by redundancy in hardware using active fault-masking in interconnections G06F11/20C; error detection or correction of the data by redundancy in hardware using active fault-masking in storage systems using spares or by reconfiguring G06F11/20S
H04L12/40R1A:	. . . . . by using a plurality of communication lines
H04L12/40R1B:	. . . . . by using a plurality of bus systems
H04L12/40R1C:	. . . . . by using a plurality of nodes
H04L12/40R1D:	. . . . . [ N: by using a plurality of master stations]
H04L12/413:	. . . . with random access, e.g. carrier-sense multiple-access with collision detection (CSMA-CD)
H04L12/413B:	. . . . . using bit-wise arbitration
H04L12/417:	. . . . with deterministic access, e.g. token passing
H04L12/42:	. . Loop networks
H04L12/423:	. . . with centralised control, e.g. polling
H04L12/427:	. . . with decentralised control
H04L12/42S:	. . . Synchronisation for ring networks Time Division Multiplex ring networks, e.g. SDH/SONET H04J3/08A
H04L12/43:	. . . . with synchronous transmission, e.g. time division multiplex (TDM), slotted rings
H04L12/433:	. . . . with asynchronous transmission, e.g. token ring, register insertion
H04L12/437:	. . . Ring fault isolation or reconfiguration for SDH/SONET ring networks H04J3/08A
H04L12/44:	. . Star or tree networks
H04L12/46:	. . Interconnection of networks
H04L12/46B:	. . . LAN interconnection over a backbone network, e.g. Internet, Frame Relay
H04L12/46B1:	. . . . LAN interconnection over ATM networks
H04L12/46B3:	. . . . LAN interconnection over narrowband networks, e.g. N-ISDN, PSTN, X.25
H04L12/46B5:	. . . . LAN interconnection over a LAN backbone
H04L12/46B7:	. . . . LAN interconnection over a bridge based backbone
H04L12/46B7B:	. . . . . Single bridge functionality, e.g. connection of two networks over a single bridge
H04L12/46E:	. . . Interconnection of networks using encapsulation techniques, e.g. tunneling
H04L12/46R:	. . . Interconnected ring systems
H04L12/46V:	. . . Virtual LANs, VLANs, e.g. virtual private networks [VPN ] [M1108]
H04L12/46V1:	. . . . Details on frame tagging routing of packets H04L12/56C; support for virtual LAN H04L12/56S8D
H04L12/46V1A:	. . . . . wherein a single frame includes a plurality of VLAN tags
H04L12/46V1A1:	. . . . . . wherein a VLAN tag represents a customer VLAN, e.g. C-Tag
H04L12/46V1A2:	. . . . . . wherein a VLAN tag represents a service provider backbone VLAN, e.g. B-Tag, S-Tag
H04L12/46V1A3:	. . . . . . wherein a VLAN tag represents a service instance, e.g. I-SID in PBB
H04L12/46V1B:	. . . . . Operational details on the addition or the stripping of a tag in a frame, e.g. at a provider edge node
H04L12/46V2:	. . . . Arrangements for supporting untagged frames, e.g. port-based VLANs
H04L12/46V3:	. . . . Dynamic sharing of VLAN information amongst network nodes configuration of the network or of network elements H04L12/24E
H04L12/46V3A:	. . . . . Arrangements for the registration or de-registration of VLAN attribute values, e.g. VLAN identifiers, port VLAN membership
H04L12/46V3B:	. . . . . characterized by the protocol used
H04L12/46V3B1:	. . . . . . MVRP [multiple VLAN registration protocol ]
H04L12/46V3B2:	. . . . . . GVRP [GARP VLAN registration protocol ]
H04L12/46V3B3:	. . . . . . VTP [VLAN trunking protocol ]
H04L12/50:	. . Circuit switching systems, i.e. systems in which the path is physically permanent during the communication
H04L12/52:	. . using time division techniques
H04L12/52B:	. . . involving a stored program control
H04L12/54:	. Store-and-forward switching systems
H04L12/56:	. . Packet switching systems
H04L12/56A:	. . . Transfer mode dependent, e.g. ATM
H04L12/56A1:	. . . . Bandwidth control in ATM Networks, e.g. leaky bucket
H04L12/56B:	. . .  using radio channels[C9409]
H04L12/56C:	. . . Routing of packets
H04L12/56C1:	. . . .  Topology update or discovery (general topology management H04L12/24C2)[N9604][C1107]
H04L12/56C101:	. . . .  Multipoint routing (arrangements for multicast or broadcast in data networks H04L12/18)[N1107]
H04L12/56C102:	. . . .  Loop free[N1107]
H04L12/56C103:	. . . .  Hop count for routing purposes, e.g. TTL[N1107]
H04L12/56C104:	. . . .  Alternate routing[N1107]
H04L12/56C105:	. . . .  Multipath[N1107]
H04L12/56C105A:	. . . . .  Link aggregation, e.g. trunking[N1107]
H04L12/56C107:	. . . .  Route discovery packet[N1107]
H04L12/56C108:	. . . .  Route fault recovery[N1107]
H04L12/56C109:	. . . .  Special provisions for routing multiclass traffic[N1107]
H04L12/56C109A:	. . . . .  Route determination based on requested QoS[N1107]
H04L12/56C109B:	. . . . .  Route determination for signaling traffic[N1107]
H04L12/56C109C:	. . . . .  Route determination based on the nature of the carried application[N1107]
H04L12/56C109C1:	. . . . . .  For real time traffic[N1107]
H04L12/56C109D:	. . . . .  Route determination based on user's profile e.g. premium users[N1107]
H04L12/56C11:	. . . . Shortest path evaluation[N9604]
H04L12/56C110:	. . . .  Flooding[N1107]
H04L12/56C111:	. . . .  Source routing[N1107]
H04L12/56C112:	. . . .  Backward learning[N1107]
H04L12/56C113:	. . . .  Flow based routing[N1107]
H04L12/56C114:	. . . .  Wormhole routing[N1107]
H04L12/56C115:	. . . .  Centralised routing[N1107]
H04L12/56C116:	. . . .  Distributed routing[N1107]
H04L12/56C118:	. . . .  Cluster building[N1107]
H04L12/56C11A:	. . . . .  Minimising delay[N1107]
H04L12/56C11B:	. . . . .  Minimising distance, number of hops[N1107]
H04L12/56C11C:	. . . . .  Evaluation of link metrics[N1107]
H04L12/56C11D:	. . . . .  Using a combination of metrics[N1107]
H04L12/56C11E:	. . . . .  Based on throughput or bandwidth[N1107]
H04L12/56C11F:	. . . . .  Minimizing geographical or physical path length[N1107]
H04L12/56C11G:	. . . . .  Based on intermediate node capabilities[N1107]
H04L12/56C11H:	. . . . .  For finding disjoint paths[N1107]
H04L12/56C11H1:	. . . . . .  with disjoint links[N1107]
H04L12/56C11H2:	. . . . . .  with disjoint nodes[N1107]
H04L12/56C120:	. . . .  Routing tree calculation[N1107]
H04L12/56C121:	. . . .  Using label swapping, e.g. multi-protocol label switch [MPLS ] [N1107]
H04L12/56C121A:	. . . . .  Frame based[N1107]
H04L12/56C121B:	. . . . .  Cell based[N1107]
H04L12/56C121C:	. . . . .  Label distribution[N1107]
H04L12/56C122:	. . . .  Multiprotocol routers[N1107]
H04L12/56C123:	. . . .  Organisation of routing tables[N1107]
H04L12/56C124:	. . . .  Routing software[N1107]
H04L12/56C124A:	. . . . .  Software download or update[N1107]
H04L12/56C124B:	. . . . .  Routing instructions carried by the data packet, e.g. active networks[N1107]
H04L12/56C125:	. . . .  Association of routers[N1107]
H04L12/56C125A:	. . . . .  Stackable routers[N1107]
H04L12/56C125B:	. . . . .  Virtual routers[N1107]
H04L12/56C126:	. . . .  Router architecture[N1107]
H04L12/56C126A:	. . . . .  Route cache and its operation[N1107]
H04L12/56C127:	. . . .  Wavelength based (optical switching H04Q11/00P4)[N1107]
H04L12/56C128:	. . . .  Using an overlay routing layer[N1107]
H04L12/56C129:	. . . .  Layer 2 routing, e.g. in Ethernet based MAN's[N1107]
H04L12/56C13:	. . . . Routing performance; Theoretical aspects[N9604]
H04L12/56C130:	. . . .  Pseudowire emulation, e.g. IETF WG PWE3[N1107]
H04L12/56C131:	. . . .  Techniques for monitoring of routing metrics[N1107]
H04L12/56C132:	. . . .  Routing based on the source address[N1107]
H04L12/56C134:	. . . .  Address processing for routing[N1112]
H04L12/56C134C:	. . . . .  Route cache and its operation[N1112]
H04L12/56C134L:	. . . . .  Address table lookup or address filtering[N1112]
H04L12/56C134L1:	. . . . . .  using hashing[N1112]
H04L12/56C134L2:	. . . . . . using content-addressable memories [CAM] [N1112]
H04L12/56C134L3:	. . . . . .  Longest matching prefix[N1112]
H04L12/56C134T:	. . . . .  Routing in networks with a plurality of addressing schemes, e.g. IPv4 and IPv6[N1112]
H04L12/56C1A:	. . . . .  Routing table update consistency, e.g. epoch number[N1107]
H04L12/56C1B:	. . . . .  Delayed use of routing table update[N1107]
H04L12/56C1C:	. . . . .  Updating only a limited number of routers, e.g. fish-eye update[N1107]
H04L12/56C1D:	. . . . .  Details of "hello" or keep-alive messages[N1107]
H04L12/56C1E:	. . . . .  Dynamic adaptation of the update interval, e.g. event-triggered update[N1107]
H04L12/56C3:	. . . . Interdomain routing, e.g. hierarchical routing[N9604]
H04L12/56C5:	. . . . Deflection routing, e.g. hot-potato routing[N9604]
H04L12/56C7:	. . . . Learning-based routing, e.g. neural networks[N9604]
H04L12/56C9:	. . . . Routing in connection-oriented networks, e.g. X.25, ATM[N9604]
H04L12/56D:	. . . Flow control
H04L12/56D1:	. . . .  Congestion identification[C1106]
H04L12/56D10:	. . . .  at layers above network layer (general aspects of TCP H04L29/06J)[N1106]
H04L12/56D10A:	. . . . .  at transport layer, e.g. TCP related[N1106]
H04L12/56D10B:	. . . . .  Integration of transport layer protocols, e.g. TCP and UDP[N1106]
H04L12/56D11:	. . . .  Policing[N1106]
H04L12/56D12:	. . . .  Using leaky bucket[N1106]
H04L12/56D12A:	. . . . .  Token bucket[N1106]
H04L12/56D13:	. . . .  Traffic shaping[N1106]
H04L12/56D13A:	. . . . .  Determination of shaping rate, e.g. using a moving window[N1106]
H04L12/56D14:	. . . .  Bit dropping[N1106]
H04L12/56D15:	. . . .  Traffic type related, e.g. priority or quality of service [QoS ] [N1106]
H04L12/56D15A:	. . . . .  Different services e.g. type of service [ToS ] [N1106]
H04L12/56D15B:	. . . . .  Real time traffic (arrangements for real-time multimedia communications H04L29/06M)[N1106]
H04L12/56D15C:	. . . . .  Service specification, e.g. SLA (general aspects of SLA management H04L12/24C3)[N1106]
H04L12/56D15C2:	. . . . . .  Allocation of priorities to traffic types[N1106]
H04L12/56D15D:	. . . . .  Flow classification[N1106]
H04L12/56D15E:	. . . . .  using preemption[N1106]
H04L12/56D15F:	. . . . .  Modification of priorities while in transit[N1106]
H04L12/56D15G:	. . . . .  Modification of handling priority for control packets, e.g. for ACK or signaling packets[N1106]
H04L12/56D15H:	. . . . .  Application aware[N1106]
H04L12/56D15J:	. . . . .  Flow identification, e.g. detecting Skype (TM) traffic[N1106]
H04L12/56D15M:	. . . . .  Mapping QoS requirements between different networks[N1106]
H04L12/56D16:	. . . .  Rate modification upon detection by the source of changing network conditions[N1106]
H04L12/56D17:	. . . .  Explicit feedback to the source, e.g. choke packet[N1106]
H04L12/56D17A:	. . . . .  Source rate modification after feedback[N1106]
H04L12/56D17A1:	. . . . . .  Stopping or restarting the source, e.g. X-on, X-off [N1106]
H04L12/56D18:	. . . .  Window size evaluation or update, e.g. using information derived from ACK packets[N1106]
H04L12/56D19:	. . . .  using time considerations[N1106]
H04L12/56D19A:	. . . . .  Network and process delay, e.g. jitter or round trip time [RTT ] [N1106]
H04L12/56D19B:	. . . . .  Time to live[N1106]
H04L12/56D1A:	. . . . .  using a dedicated packet[N1106]
H04L12/56D2:	. . . .  Congestion avoidance or recovery[N1106]
H04L12/56D20:	. . . .  Using a combination of thresholds[N1106]
H04L12/56D21:	. . . .  using information about buffer occupancy at either end or transit nodes[N1106]
H04L12/56D22:	. . . .  Tagging of packets, e.g. discard eligibility [DE bit ] [N1106]
H04L12/56D23:	. . . .  Packet discarding or delaying[N1106]
H04L12/56D23A:	. . . . .  Discarding or blocking control packets, e.g. ACK packets[N1106]
H04L12/56D23B:	. . . . .  With random discard, e.g. random early discard [RED ] [N1106]
H04L12/56D24:	. . . .  Forward notification[N1106]
H04L12/56D25:	. . . .  Sequence integrity e.g. sequence numbers[N1106]
H04L12/56D26:	. . . .  Embedded flow control information in regular packets, e.g. Piggybacking[N1106]
H04L12/56D27:	. . . .  Evaluation of the packet size, e.g. maximum transfer unit [MTU ] [N1106]
H04L12/56D27A:	. . . . .  Dynamic adaptation of the packet size[N1106]
H04L12/56D28:	. . . .  Slow start[N1106]
H04L12/56D29:	. . . .  Adapting coding or compression rate[N1106]
H04L12/56D2A:	. . . . .  Diverting traffic away from congested spots[N1106]
H04L12/56D2B:	. . . . .  Load balancing, e.g. traffic engineering (load balancing among servers H04L29/08N9A)[N1106]
H04L12/56D2P:	. . . . .  Congestion prediction[N1106]
H04L12/56D3:	. . . .  in a LAN segment, e.g. ring, bus[N1106]
H04L12/56D30:	. . . .  Credit based[N1106]
H04L12/56D31:	. . . .  Using splitted connections, e.g. IP spoofing[N1106]
H04L12/56D32:	. . . .  Actions on aggregated flows or links[N1106]
H04L12/56D3A:	. . . . .  by jamming the transmission media[N1106]
H04L12/56D4:	. . . .  in wireless networks[N1106]
H04L12/56D5:	. . . .  in relation to multipoint traffic (arrangements for broadcast or multicast in data networks H04L12/18)[N0310][C1106]
H04L12/56D6:	. . . .  in connection oriented networks, e.g. frame relay[N1106]
H04L12/56D7:	. . . .  Hop by hop[N1106]
H04L12/56D8:	. . . .  End to end[N1106]
H04L12/56F:	. . . Access to open networks; Ingress point selection, e.g. ISP selection
H04L12/56F1:	. . . . Selection among different networks
H04L12/56K:	. . . Queue scheduling in packet switching networks
H04L12/56K1:	. . . .  Bandwidth attribution to queues[N1106]
H04L12/56K1A:	. . . . .  Static queue service slot or fixed bandwidth allocation[N1106]
H04L12/56K1B:	. . . . .  Dynamic queue service slot or variable bandwidth allocation[N1106]
H04L12/56K1B1:	. . . . . .  Queue skipping[N1106]
H04L12/56K1C:	. . . . .  Redistribution of residual bandwidth[N1106]
H04L12/56K1D:	. . . . .  Quantum based scheduling, e.g. credit or deficit based scheduling, token bank[N1106]
H04L12/56K1E:	. . . . .  Minimum bandwidth guarantee[N1106]
H04L12/56K2:	. . . .  Loss aware scheduling[N1106]
H04L12/56K3:	. . . .  Delay aware scheduling[N1106]
H04L12/56K3A:	. . . . .  Attaching a time tag to queues[N1106]
H04L12/56K3B:	. . . . .  Attaching a deadline to packets, e.g. earliest due date first[N1106]
H04L12/56K3B1:	. . . . . .  Deadline varies as a function of time spent in the queue[N1106]
H04L12/56K3C:	. . . . .  Calendar queues or timing rings[N1106]
H04L12/56K4:	. . . .  Changing or combining different scheduling modes, e.g. multimode scheduling[N1106]
H04L12/56K5:	. . . .  Hierarchical scheduling[N1106]
H04L12/56K6:	. . . .  General aspects[N1106]
H04L12/56K6A:	. . . . .  Arrangements for avoiding head of line blocking[N1106]
H04L12/56K6B:	. . . . .  Individual queue per connection or flow, e.g. per VC[N1106]
H04L12/56K6C:	. . . . .  Individual queue per QoS, rate or priority[N1106]
H04L12/56K6D:	. . . . .  Queue service order[N1106]
H04L12/56K6D1:	. . . . . .  fixed service order, e.g. round robin[N1106]
H04L12/56K6D2:	. . . . . .  weighted service order (H04L12/56K1, H04L12/56K2, H04L12/56K3 take priority)[N1106]
H04L12/56K6D3:	. . . . . .  variable service order[N1106]
H04L12/56K6E:	. . . . .  Altering the ordering of packets in an individual queue[N1106]
H04L12/56K6F:	. . . . .  Modifications to standard FIFO or LIFO[N1106]
H04L12/56K6G:	. . . . .  Other criteria for service slot or service order[N1106]
H04L12/56K6G1:	. . . . . .  based on queue load conditions, e.g. longest queue first[N1106]
H04L12/56K6G2:	. . . . . .  based on channel conditions[N1106]
H04L12/56K6G3:	. . . . . .  based on past bandwidth allocation[N1106]
H04L12/56K6G4:	. . . . . .  based on policing[N1106]
H04L12/56K6G5:	. . . . . .  based on priority[N1106]
H04L12/56K6G6:	. . . . . .  based on packet size, e.g. shortest packet first[N1106]
H04L12/56K6H:	. . . . .  Provisions for avoiding starvation of low priority queues[N1106]
H04L12/56K6J:	. . . . .  Fair share of resources, e.g. WFQ[N1106]
H04L12/56K6M:	. . . . .  Multiple queues per individual QoS, connection, flow or priority[N1106]
H04L12/56Q:	. . . Queuing arrangements
H04L12/56Q10:	. . . .  Separate storage for different parts of the packet, e.g. header and payload[N1106]
H04L12/56Q11:	. . . .  Buffer pool[N1106]
H04L12/56Q11A:	. . . . .  with buffers of different sizes[N1106]
H04L12/56Q12:	. . . .  Intermediate storage in different physical parts of a node or terminal[N1106]
H04L12/56Q12A:	. . . . .  in the network interface card[N1106]
H04L12/56Q12A1:	. . . . . .  Early interruption upon arrival of a fraction of a packet[N1106]
H04L12/56Q12B:	. . . . .  using an external memory or storage device[N1106]
H04L12/56Q13:	. . . .  Reactions to storage capacity overflow[N1106]
H04L12/56Q13A:	. . . . .  replacing packets in a storage arrangement, e.g. pushout[N1106]
H04L12/56Q14:	. . . .  Arrangements for simultaneous transmit and receive, e.g. simultaneous reading/writing from/to the storage element[N1106]
H04L12/56Q15:	. . . .  Arrangements for supporting packet reassembly or resequencing[N1106]
H04L12/56Q2:	. . . .  Dynamic buffer space allocation[N1106]
H04L12/56Q5:	. . . .  Storage descriptor, e.g. read or write pointers[N1106]
H04L12/56Q5L:	. . . . .  for supporting a linked list[N1106]
H04L12/56Q6:	. . . .  Plurality of buffers per packet[N1106]
H04L12/56Q7:	. . . .  Single buffer per packet[N1106]
H04L12/56Q8:	. . . .  Wraparound memory, e.g. overrun or underrun detection[N1106]
H04L12/56Q9:	. . . .  Common buffer combined with individual queues[N1106]
H04L12/56R:	. . . Admission control; Resource allocation
H04L12/56R1:	. . . .  Reservation actions[N1106]
H04L12/56R11:	. . . .  Miscellaneous aspects[N1106]
H04L12/56R11A:	. . . . .  Prioritising resource allocation or reservation requests[N1106]
H04L12/56R11B:	. . . . .  Collecting or measuring resource availability data[N1106]
H04L12/56R11C:	. . . . .  Prediction of resource usage[N1106]
H04L12/56R11D:	. . . . .  Applicable to portable or mobile terminals[N1106]
H04L12/56R11E:	. . . . .  Involving tunnels, e.g. MPLS[N1106]
H04L12/56R11F:	. . . . .  Involving periods of time[N1106]
H04L12/56R11G:	. . . . .  Aggregation of resource allocation or reservation requests[N1106]
H04L12/56R11H:	. . . . .  Allocation of resources per group of connections, e.g. per group of users[N1106]
H04L12/56R11J:	. . . . .  Topology based[N1106]
H04L12/56R1A:	. . . . .  at the end terminals, e.g. buffer space[N1106]
H04L12/56R1B:	. . . . .  involving intermediate nodes, e.g. RSVP[N1106]
H04L12/56R1C:	. . . . .  over a plurality of alternate paths, e.g. for load balancing[N1106]
H04L12/56R1C1:	. . . . . .  for backup paths[N1106]
H04L12/56R3:	. . . .  Reactions to resource unavailability[N1106]
H04L12/56R3A:	. . . . .  Holding a request until resources become available[N1106]
H04L12/56R3B:	. . . . .  Reaction at the end points[N1106]
H04L12/56R3C:	. . . . .  Reaction in network[N1106]
H04L12/56R3D:	. . . . .  Reaction triggered by a failure[N1106]
H04L12/56R3E:	. . . . .  Negotiation of resources, e.g. modification of a request[N1106]
H04L12/56R5:	. . . .  Reallocation of resources, renegotiation of resources, as e.g. in-call [N: renegotiation[N1106]
H04L12/56R5A:	. . . . .  Triggered by the network[N1106]
H04L12/56R5B:	. . . . .  Triggered by the end-points[N1106]
H04L12/56R5B1:	. . . . . .  after changing the attachment point, e.g. after hand off[N1106]
H04L12/56R7:	. . . .  Resource allocation architecture[N1106]
H04L12/56R7A:	. . . . .  Centralized allocation of resource[N1106]
H04L12/56R7B:	. . . . .  Hierarchical allocation of resource, e.g. involving a hierarchy of local and centralized entities[N1106]
H04L12/56R7C:	. . . . .  Distributed allocation of resources, e.g. bandwidth brokers[N1106]
H04L12/56R7C1:	. . . . . .  Involving several network domains, e.g. multilateral agreements[N1106]
H04L12/56R7C1A:	. . . . . . .  Mapping reservation between domains[N1106]
H04L12/56R7C2:	. . . . . .  Bandwidth trade among domains[N1106]
H04L12/56R7D:	. . . . .  Autonomous allocation of resources[N1106]
H04L12/56R9:	. . . .  Actions related to the nature of the flow or the user[N1106]
H04L12/56R9A:	. . . . .  Real time traffic[N1106]
H04L12/56R9B:	. . . . .  Application aware[N1106]
H04L12/56R9C:	. . . . .  QoS or priority aware[N1106]
H04L12/56R9D:	. . . . .  Broadcast or multicast traffic[N1106]
H04L12/56R9E:	. . . . .  User-type aware[N1106]
H04L12/56S:	. . . Packet switches, e.g. Layer 2 switches, Layer 3 switches, Multilayer switches [M1208]
H04L12/56S1:	. . . .  Switching fabric construction[N0506]
H04L12/56S10:	. . . .  Provisions for supporting Expansion[N0506]
H04L12/56S11:	. . . .  Overload detection or protection[N0506]
H04L12/56S11A:	. . . . .  Overload detection[N0506]
H04L12/56S11A1:	. . . . . .  Policing[N0506]
H04L12/56S11C:	. . . . .  Corrective Measures, e.g. backpressure[N0506]
H04L12/56S11C2:	. . . . . .  Backpressure[N0506]
H04L12/56S11C4:	. . . . . .  Head-of-Line (HOL) blocking avoidance[N0506]
H04L12/56S12:	. . . .  Error management, e.g. prevention, detection or correction[N0506]
H04L12/56S12A:	. . . . .  Error prevention, e.g. sequence integrity of packets, load balancing, redundant connections through the switch fabric[N0506]
H04L12/56S12B:	. . . . .  Error detection[N0506]
H04L12/56S12C:	. . . . .  Error correction, e.g. fault recovery, fault tolerance[N0506]
H04L12/56S1A:	. . . . .  Crossbar or matrix[N0506]
H04L12/56S1B:	. . . . .  using shared medium, e.g. bus, ring[N0506]
H04L12/56S1C:	. . . . .  using shared central buffer or shared memory, e.g. time switching[N0506]
H04L12/56S2:	. . . .  Interconnection of switching modules[N0506]
H04L12/56S2A:	. . . . .  Distribute and route networks, e.g. sorting-routing, Batcher Banyan[N0506]
H04L12/56S2B:	. . . . .  Non-blocking multistage, e.g. Clos network[N0506]
H04L12/56S2B1:	. . . . . .  Parallel switch planes[N0506]
H04L12/56S2B2:	. . . . . .  Pipelined operation[N0506]
H04L12/56S3:	. . . .  Support for services, operations[N0506]
H04L12/56S3A:	. . . . .  Multicast or broadcast[N0506]
H04L12/56S3B:	. . . . .  QOS based[N0506]
H04L12/56S3B1:	. . . . . . Real Time traffic[N0506]
H04L12/56S3C:	. . . . .  Port mirroring[N0506]
H04L12/56S4:	. . . .  Routing or path finding through the switching fabric[N0506]
H04L12/56S4A:	. . . . .  Cut through or wormhole routing[N0506]
H04L12/56S4B:	. . . . .  Store and forward routing[N0506]
H04L12/56S4C:	. . . . .  Connections establishment or release between ports[N0506]
H04L12/56S4C1:	. . . . . .  centralised controller, e.g. arbitration, scheduling[N0506]
H04L12/56S5:	. . . .  Peripheral units, e.g. input/output ports[N0506]
H04L12/56S5A:	. . . . .  Header conversion; Routing tables; Routing tags[N0506]
H04L12/56S5B:	. . . . .  Input queuing[N0506]
H04L12/56S5C:	. . . . .  Output queuing[N0506]
H04L12/56S5D:	. . . . .  Shared queuing[N0506]
H04L12/56S5E:	. . . . .  Virtual queuing[N0506]
H04L12/56S5F:	. . . . .  Auto-negotiation, i.e. access control between switch and link[N0506]
H04L12/56S5G:	. . . . . Pipelined operation[N0506]
H04L12/56S5H:	. . . . .  Packet splitting[N0506]
H04L12/56S8:	. . . .  Application specific switches[N0506]
H04L12/56S8A:	. . . . .  LAN switches, e.g. Ethernet switches[N0506]
H04L12/56S8A1:	. . . . . .  Gigabit Ethernet switching (Gbps)[N0506]
H04L12/56S8B:	. . . . .  Fibre channel switches[N0506]
H04L12/56S8C:	. . . . .  Support for FireWire (IEEE 1394) switches[N0506]
H04L12/56S8D:	. . . . .  Support for virtual LAN (VLAN); VLAN tagging; Generic attribute Registration Protocol for VLAN (GVRP), e.g. IEEE 802.1q[N0506]
H04L12/56S8E:	. . . . .  Application aware switches, e.g. HTTP[N0506]
H04L12/56S8F:	. . . . .  Multilayer switching, e.g. IP switching[N0506]
H04L12/56S8G:	. . . . .  Hybrid IP/Ethernet switches[N0506]
H04L12/56S9:	. . . .  Physical details, e.g. power supply, mechanical construction, backplane[N0506]
H04L12/58:	. . Message switching systems, e.g. electronic mail systems
H04L12/58A:	. . . with automatic reactions or user delegation, e.g. automatic replies or chatbot
H04L12/58B:	. . . Real time or near real time messaging, e.g. instant messaging [IM ]
H04L12/58B1:	. . . . use or manipulation of presence information in messaging presence management H04L29/08N23
H04L12/58B2:	. . . . interacting with other applications or services
H04L12/58C:	. . . Message adaptation based on network or terminal capabilities
H04L12/58C1:	. . . . with adaptation as to content
H04L12/58C2:	. . . . with adaptation as to format
H04L12/58D:	. . . messages including annexed information, e.g. attachments
H04L12/58E:	. . . messages including multimedia information protocols for multimedia communication H04L29/06M; voice messaging in telephonic communication using automatic or semi-automatic exchanges with non-audio components H04M3/53M
H04L12/58F:	. . . with filtering and selective blocking capabilities
H04L12/58G:	. . . with selective forwarding
H04L12/58H:	. . . including conversation history, e.g. threads
H04L12/58L:	. . . messaging using geographical location information protocols for adapting network applications to user terminal location H04L29/08N17; services specially adapted for wireless communication networks making use of the location of users or terminals H04W4/02
H04L12/58N:	. . . with notification on incoming messages
H04L12/58R:	. . . with reliability check, e.g. acknowledgments, fault reporting
H04L12/58S:	. . . messaging within social networks
H04L12/58T:	. . . with provisions for tracking the progress of a message
H04L12/58U:	. . . unified messaging, e.g. interactions between instant messaging [IM , e-mail or other types of messages such as Converged IP Messaging [CPM]]
H04L12/58W:	. . . in combination with wireless systems messaging in wireless communication networks H04W4/12
H04L12/60:	. . . Manual relay systems, e.g. push-button switching
H04L12/62:	. . . . with perforated tape storage
H04L12/64:	. Hybrid switching systems
H04L12/64A:	. . Hybrid switching fabrics
H04L12/64B:	. . Hybrid transport
H04L12/66:	. Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
H04L13/00:	Details of the apparatus or circuits covered by groups H04L15/00 or H04L17/00
H04L13/02:	. Details not particular to receiver or transmitter
H04L13/04:	. . Driving mechanisms; Clutches
H04L13/06:	. . Tape or page guiding or feeding devices
H04L13/08:	. . Intermediate storage means
H04L13/10:	. . Distributors
H04L13/12:	. . . Non-mechanical distributors, e.g. relay distributors
H04L13/14:	. . . . Electronic distributors
H04L13/16:	. of transmitters, e.g. code-bars, code-discs
H04L13/18:	. of receivers
H04L13/18A:	. . Printing mechanisms
H04L13/18A1:	. . . Photographic printing and recording
H04L13/18B:	. . Page printing; tabulating
H04L13/18C:	. . Projection of the printed matter
H04L15/00:	Apparatus or local circuits for transmitting or receiving dot-and-dash codes, e.g. Morse code
H04L15/03:	. Keys structurally combined with sound generators
H04L15/04:	. Apparatus or circuits at the transmitting end
H04L15/06:	. . with a restricted number of keys, e.g. separate key for each type of code element
H04L15/08:	. . . with a single key which transmits dots in one position and dashes in a second position
H04L15/10:	. . . combined with perforating apparatus
H04L15/12:	. . with keyboard co-operating with code-bars
H04L15/14:	. . . combined with perforating apparatus
H04L15/16:	. . with keyboard co-operating with code discs
H04L15/18:	. . Automatic transmitters, e.g. controlled by perforated tape
H04L15/20:	. . . with optical sensing means
H04L15/22:	. . Apparatus or circuits for sending one or a restricted number of signals, e.g. distress signals
H04L15/24:	. Apparatus or circuits at the receiving end
H04L15/26:	. . Operating only on reception of predetermined code signals, e.g. distress signals, party-line call signals
H04L15/28:	. . Code reproducing apparatus
H04L15/28A:	. . . Telegraph sounders; Apparatus for acoustic reception
H04L15/30:	. . . Writing recorders
H04L15/32:	. . . Perforating recorders
H04L15/34:	. . Apparatus for recording received coded signals after translation, e.g. as type-characters
H04L17/00:	Apparatus or local circuits for transmitting or receiving codes wherein each character is represented by the same number of equal-length code elements, e.g. Baudot code
H04L17/02:	. Apparatus or circuits at the transmitting end
H04L17/04:	. . with keyboard co-operating with code-bars
H04L17/06:	. . . Contact operating means
H04L17/08:	. . . combined with perforating apparatus
H04L17/10:	. . with keyboard co-operating with code-discs
H04L17/12:	. . Automatic transmitters, e.g. controlled by perforated tape
H04L17/14:	. . . with optical sensing means
H04L17/16:	. Apparatus or circuits at the receiving end
H04L17/18:	. . Code selection mechanisms
H04L17/20:	. . using perforating recorders
H04L17/22:	. . using mechanical translation and type-bar printing
H04L17/24:	. . using mechanical translation and type-head printing, e.g. type-wheel, type-cylinder
H04L17/26:	. . using aggregate motion translation
H04L17/28:	. . using pneumatic or hydraulic translation
H04L17/30:	. . using electric or electronic translation
H04L19/00:	Apparatus or local circuits for step-by-step systems
H04L21/00:	Apparatus or local circuits for mosaic printer telegraph systems
H04L21/02:	. at the transmitting end
H04L21/04:	. at the receiving end
H04L23/00:	Apparatus or local circuits for systems other than those covered by groups H04L15/00 to H04L21/00
H04L23/02:	. adapted for orthogonal signalling
H04L25/00:	Baseband systems
H04L25/02:	. Details ; Arrangements for supplying electrical power along data transmission lines systems for transmitting signals via power distribution lines H04B3/54
H04L25/02C:	. . Channel estimation
H04L25/02C1:	. . . of multiple channels
H04L25/02C11:	. . . channel estimation algorithms
H04L25/02C11A:	. . . . using matrix methods
H04L25/02C11A1:	. . . . . with inversion
H04L25/02C11A3:	. . . . . with factorisation
H04L25/02C11A5:	. . . . . Eigen-space methods
H04L25/02C11C:	. . . . using least-mean-square (LMS) method
H04L25/02C11E:	. . . . using third or higher order statistics
H04L25/02C11G:	. . . . using neural network algorithms
H04L25/02C11K:	. . . . [N: Channel estimation using minimum mean square error criteria]
H04L25/02C11M:	. . . . [N: Channel estimation using zero-forcing criteria]
H04L25/02C1A:	. . . . of each channel individually
H04L25/02C1C:	. . . . of the composite channel
H04L25/02C2:	. . . [N: Estimation of channel covariance]
H04L25/02C3:	. . . of impulse response
H04L25/02C3A:	. . . . of a single coefficient
H04L25/02C3C:	. . . . with estimation of channel length
H04L25/02C3E:	. . . . with detection of nulls
H04L25/02C5:	. . . of frequency response
H04L25/02C6:	. . . [N: Estimation of channel variability, e.g. coherence bandwidth, coherence time, fading frequency]
H04L25/02C7:	. . . using sounding signals
H04L25/02C7A:	. . . . sounding signals per se
H04L25/02C7C:	. . . . with direct estimation from sounding signals
H04L25/02C7C1:	. . . . . with extension to other symbols
H04L25/02C7C1A:	. . . . . . by interpolation between sounding signals
H04L25/02C7C1A1:	. . . . . . . by non-linear interpolation
H04L25/02C7C1C:	. . . . . . using estimation of the other symbols
H04L25/02C9:	. . . using blind estimation
H04L25/02G:	. . Arrangements for coupling transmitters, receivers or transceivers to transmission lines; Line drivers duplexing arrangements H04L5/14
H04L25/02J:	. . Arrangements for detecting the data rate of an incoming signal
H04L25/02K:	. . Arrangements for coupling to transmission lines duplexing arrangements H04L5/14; line equalisers, line build-out devices H04L25/03L
H04L25/02K1:	. . . Arrangements for providing Galvanic isolation, e.g. by means of magnetic or capacitive coupling
H04L25/02K11:	. . . Arrangement for terminating transmission lines
H04L25/02K1A:	. . . . with modulation and subsequent demodulation
H04L25/02K1C:	. . . . specifically for telegraph signals induction coil interrupters H01H51/34 dynamo-electric generators H02K
H04L25/02K3:	. . . Arrangements for coupling to multiple lines, e.g. for differential transmission
H04L25/02K3A:	. . . . Arrangements for ensuring balanced coupling
H04L25/02K3C:	. . . . Arrangements for coupling common mode signals
H04L25/02K5:	. . . Arrangements for impedance matching
H04L25/02K7:	. . . Arrangements specific to the transmitter end
H04L25/02K7A:	. . . . Provision for current-mode coupling
H04L25/02K7C:	. . . . Arrangements to ensure DC-balance
H04L25/02K7E:	. . . . Provision of wave shaping within the driver wave shaping per se H04L25/03E1
H04L25/02K7E1:	. . . . . the shape being matched to the transmission line pre-equalisation per se H04L25/03B9
H04L25/02K7G:	. . . . Provision of high-impedance states
H04L25/02K9:	. . . Arrangements specific to the receiver end
H04L25/02K9A:	. . . . Provision for current-mode coupling
H04L25/02K9C:	. . . . Arrangements to ensure DC-balance
H04L25/03:	. . Shaping networks in transmitter or receiver, e.g. adaptive shaping networks ; Receiver end arrangements for processing baseband signals
H04L25/03B:	. . . Arrangements for removing intersymbol interference
H04L25/03B1:	. . . . operating in the time domain H04L25/03B5, H04L25/03B7 take precedence
H04L25/03B1A:	. . . . . adaptive, i.e. capable of adjustment during data reception
H04L25/03B1A1:	. . . . . . using a two-tap delay line
H04L25/03B1A3:	. . . . . . using only passive components H04L25/03B1A1 takes precedence
H04L25/03B1A5:	. . . . . . with a non-recursive structure H04L25/03B1A3 takes precedence
H04L25/03B1A5A:	. . . . . . . using fractionally spaced delay lines or combinations of fractionally integrally spaced taps
H04L25/03B1A5C:	. . . . . . . using blind adaptation
H04L25/03B1A7:	. . . . . . with a recursive structure H04L25/03B1A3 takes precedence
H04L25/03B1A7A:	. . . . . . . using fractionally spaced delay lines or combinations of fractionally and integrally spaced taps
H04L25/03B1A7C:	. . . . . . . using blind adaptation
H04L25/03B1A7E:	. . . . . . . not using decision feedback
H04L25/03B1A9:	. . . . . . Theoretical aspects of adaptive time domain methods
H04L25/03B1A9A:	. . . . . . . [N: Theory of blind algorithms, recursive or not]
H04L25/03B1A9B:	. . . . . . . [N: Theory of fractional equalisers, recursive or not]
H04L25/03B1A9C:	. . . . . . . [N: Theory of the Kalman algorithm]
H04L25/03B1A9R:	. . . . . . . [N: Theory of recursive equalisers, other than Kalman]
H04L25/03B1N:	. . . . . non-adaptive, i.e. not adjustable, manually adjustable, or adjustable only during the reception of special signals
H04L25/03B1N1:	. . . . . . using a two-tap delay line
H04L25/03B1N3:	. . . . . . using only passive components H04L25/03B1N1 takes precedence
H04L25/03B1N5:	. . . . . . with a non-recursive structure H04L25/03B1N3 takes precedence
H04L25/03B1N5A:	. . . . . . . using fractionally spaced delay lines or combinations of fractionally integrally spaced taps
H04L25/03B1N7:	. . . . . . with a recursive structure H04L25/03B1N3 takes precedence
H04L25/03B1N9:	. . . . . . Theoretical aspects of non-adaptive time domain methods
H04L25/03B20:	. . . . [N: Inter-carrier interference cancellation [ICI]]
H04L25/03B3:	. . . . operating in the frequency domain H04L25/03B5, H04L25/03B7 take precedence
H04L25/03B5:	. . . . using neural networks
H04L25/03B6:	. . . . Arrangements involving maximum a posteriori probability (MAP) detection
H04L25/03B7:	. . . . Arrangements involving sequence estimation techniques
H04L25/03B7A:	. . . . . Details concerning the metric
H04L25/03B7A1:	. . . . . . in which the receiver makes a selection between different metrics
H04L25/03B7A3:	. . . . . . methods of calculation involving metrics
H04L25/03B7C:	. . . . . Trellis search techniques
H04L25/03B7C1:	. . . . . . Sorting arrangements therefor
H04L25/03B7C11:	. . . . . . Methods involving sphere decoding
H04L25/03B7C3:	. . . . . . using the M-algorithm
H04L25/03B7C5:	. . . . . . using the T-algorithm
H04L25/03B7C7:	. . . . . . with state-reduction using grouping of states
H04L25/03B7C9:	. . . . . . with state-reduction using feedback filtering
H04L25/03B7E:	. . . . . Arrangements for operating in conjunction with other apparatus
H04L25/03B7E1:	. . . . . . Operation with other circuitry for removing intersymbol interference
H04L25/03B7E11:	. . . . . . with noise-whitening circuitry
H04L25/03B7E1A:	. . . . . . . with impulse-response shortening filters
H04L25/03B7E1C:	. . . . . . . with decision feedback equalisers
H04L25/03B7E3:	. . . . . . with carrier recovery circuitry
H04L25/03B7E5:	. . . . . . with interference cancellation circuitry adaptations for interference cancellation within a sequence estimator H04L25/03B7G; interference related aspects of direct sequence spread spectrum H04B1/707F; interference related aspects of frequency hopping spread spectrum H04B1/713F; see also H04B1/10
H04L25/03B7E7:	. . . . . . with channel-decoding circuitry
H04L25/03B7E9:	. . . . . . with channel estimation circuitry
H04L25/03B7G:	. . . . . Joint sequence estimation and interference removal joint detection of several desired signals H04L25/03B7M
H04L25/03B7K:	. . . . . Arrangements specific to the provision of output signals
H04L25/03B7K1:	. . . . . . Provision of soft decisions
H04L25/03B7K3:	. . . . . . Provision of tentative decisions
H04L25/03B7M:	. . . . . Arrangements for the joint estimation of multiple sequences
H04L25/03B7P:	. . . . . Arrangements involving per-survivor processing
H04L25/03B9:	. . . . Arrangements at the transmitter end
H04L25/03E:	. . . Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties partial response systems H04L25/497
H04L25/03E1:	. . . . using pulse shaping
H04L25/03E1A:	. . . . . [N: Design of pulse shapes (pulse shape for impulse radio H04B1/717A)]
H04L25/03E1B:	. . . . . [N: Shaping by selective switching of amplifying elements]
H04L25/03E1C:	. . . . . [N: Shaping by digital methods other than look up tables or up/down converters]
H04L25/03E1F:	. . . . . [N: shaping using look up tables for partial waveforms]
H04L25/03E3:	. . . . using scrambling
H04L25/03E3B:	. . . . . [N: Parallel scrambling or descrambling]
H04L25/03L:	. . . Line equalisers; line build-out devices
H04L25/03L1:	. . . . adaptive
H04L25/03M:	. . . Spatial equalizers MIMO diversity systems H04B7/04M
H04L25/03M1:	. . . . [N: codebook-based design (selection of codebook or precoding matrix for MIMO diversity systems H04B7/04M7)]
H04L25/03M1C:	. . . . . [N: cooperative design, e.g. exchanging of codebook information between base stations]
H04L25/03M1D:	. . . . . [N: construction details of matrices]
H04L25/03M1D1:	. . . . . . [N: according to the size of the codebook]
H04L25/03M1D2:	. . . . . . [N: according to the rank]
H04L25/03M1L:	. . . . . [N: with layer mapping, e.g. codeword-to layer design (for space-time coding H04L1/06T)]
H04L25/03M1M:	. . . . . [N: multi-resolution codebooks]
H04L25/03M1S:	. . . . . [N: switching between different codebooks]
H04L25/03M2:	. . . . [N: equalizer selection or adaptation based on feedback (multiple signaling inclusive of a precoding command for adapting the transmitter H04L1/00A9F7; feedback for transmit diversity systems H04B7/06C1F; selection of codebook or precoding matrix for MIMO diversity systems H04B7/04M7)]
H04L25/03M2C:	. . . . . [N: in combination with downlink estimations, e.g. downlink path losses]
H04L25/03M3:	. . . . [N: design criteria]
H04L25/03M3A:	. . . . . [N: mean-square error [MSE]]
H04L25/03M3C:	. . . . . [N: throughput maximization]
H04L25/03R:	. . . Restoration of channel reciprocity
H04L25/03S:	. . . Equalisation for sparse channels
H04L25/03T:	. . . Noise whitening
H04L25/05:	. . Electric or magnetic storage of signals before transmitting or retransmitting for changing the transmission rate
H04L25/06:	. . Dc level restoring means; Bias distortion correction decision circuits providing symbol by symbol detection detection of unique words or other known elements H04L7/00, H04J3/06A
H04L25/06A:	. . . providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of dc offset removal of dc offset in coupling arrangements H04L25/02K7G, H04L25/02K9G
H04L25/06A1:	. . . . Setting decision thresholds using feedforward techniques only
H04L25/06A3:	. . . . Setting decision thresholds using feedback techniques only
H04L25/06A3A:	. . . . . [N: Subtraction of the threshold from the signal, which is then compared to a supplementary fixed threshold]
H04L25/06A5:	. . . . [N: Binary decisions]
H04L25/06A7:	. . . . [N: Multilevel decisions, not including self-organising maps]
H04L25/06C:	. . . providing soft decisions, i.e. decisions together with an estimate of reliability H04L25/06E and H04L25/06G take precedence; sequence estimation techniques H04L25/03B7
H04L25/06E:	. . . by sampling faster than the nominal bit rate
H04L25/06G:	. . . by detecting edges or zero crossings
H04L25/08:	. . Modifications for reducing interference; Modifications for reducing effects due to line faults; Receiver end arrangements for detecting or overcoming line faults
H04L25/08A:	. . . Arrangements for reducing interference in line transmission systems, e.g. by differential transmission
H04L25/10:	. . Compensating for variations in line balance balancing during the coupling of signals H04L25/02K7A
H04L25/12:	. . Compensating for variations in line impedance impedance matching in coupling arrangements H04L25/02K5
H04L25/14:	. . Channel dividing arrangements in which a single bit stream is divided between several baseband channels and reassembled at the receiver
H04L25/20:	. . Repeater circuits; Relay circuits
H04L25/20A:	. . . using mechanical devices H04L25/20C takes precedence
H04L25/20C:	. . . using tuning forks or vibrating reeds
H04L25/20E:	. . . using electromagnetic switches
H04L25/22:	. . . Repeaters for converting two wires to four wires ; Repeaters for converting single current to double current
H04L25/24:	. . . Relay circuits using discharge tubes or semiconductor devices H04L25/22 takes precedence
H04L25/24A:	. . . . with retiming
H04L25/24A1:	. . . . . for start-stop signals detection of start or stop bits H04J3/06A
H04L25/24A3:	. . . . . for synchronous signals
H04L25/26:	. . . Circuits with optical sensing means, i.e. using opto-couplers for isolation
H04L25/38:	. Synchronous or start-stop systems, e.g. for Baudot code
H04L25/40:	. . Transmitting circuits; Receiving circuits
H04L25/42:	. . . using mechanical distributors
H04L25/44:	. . . using relay distributors
H04L25/45:	. . . using electronic distributors
H04L25/46:	. . . using tuning forks or vibrating reeds
H04L25/49:	. . . using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels; Baseband coding techniques specific to data transmission systems spectral shaping H04L25/03E
H04L25/493:	. . . . by transition coding, i.e. the time-position or direction of a transition being encoded before transmission
H04L25/497:	. . . . by correlative coding, e.g. partial response coding or echo modulation coding transmitters and receivers for partial response systems (transversal equalizersH04L25/03; partial response continuous phase modulation systemsH04L27/18)
H04L25/497A:	. . . . . [N: Correlative coding using Tomlinson precoding, Harashima precoding , Trellis precoding or GPRS]
H04L25/49A:	. . . . Pulse width modulation; Pulse position modulation
H04L25/49C:	. . . . using self-synchronising codes, e.g. split-phase codes
H04L25/49L:	. . . . using binary codes
H04L25/49L1:	. . . . . using mBnB codes
H04L25/49L1B:	. . . . . . using 1B2B codes
H04L25/49L1B1:	. . . . . . . using CMI or 2-HDB-3 code
H04L25/49L2:	. . . . . using pattern inversion or substitution H04L25/49L1 takes precedence
H04L25/49M:	. . . . using multilevel codes
H04L25/49M1:	. . . . . using balanced multilevel codes H04L25/49M5 takes precedence
H04L25/49M1Q:	. . . . . . using quadrature encoding, e.g. carrierless amplitude-phase coding
H04L25/49M3:	. . . . . using ternary codes H04L25/49M5 takes precedence
H04L25/49M3B:	. . . . . . using balanced bipolar ternary codes
H04L25/49M5:	. . . . . using levels matched to the quantisation levels of the channel
H04L27/00:	Modulated-carrier systems code shift keying in combination with frequency multiplexing H04L5/06; simultaneous bidirectional transmission of ac signals H04L5/14P; code shift keying H04L23/02; polarisation shift keying H04B14/00B3; transmission of data during the active part of a television frame H04N7/025
H04L27/00A:	. analog front ends; means for connecting modulators, demodulators or transceivers to a transmission line duplex arrangements H04L5/14P
H04L27/00B:	. using wavelets
H04L27/00D:	. Assessment of spectral gaps suitable for allocating digitally modulated signals, e.g. for carrier allocation in cognitive radio for spectrum sharing between different networks H04W16/14
H04L27/00F:	. arrangements for allowing a transmitter or receiver to use more than one type of modulation negotiating modulation type for two-way transmission paths H04L5/14R3
H04L27/00K:	. using chaotic signals for secret or secure communication H04L9/00C
H04L27/00M:	. arrangements for identifying the type of modulation
H04L27/00R:	. Carrier regulation of chaotic carriers H04L27/00K; for multicarrier receivers H04L27/26M5C3
H04L27/01:	. Equalisers baseband equalisers H04L25/03; control of amplification H03G; in analogue transmission systems H04B3/04, H04B7/005
H04L27/02:	. Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
H04L27/04:	. . Modulator circuits ; Transmitter circuits
H04L27/06:	. . Demodulator circuits ; Receiver circuits
H04L27/06B:	. . . Superheterodyne receivers
H04L27/06C:	. . . Carrier recovery circuits H04L27/227A takes precedence
H04L27/08:	. . Amplitude regulation arrangements
H04L27/10:	. Frequency-modulated carrier systems, i.e. using frequency-shift keying
H04L27/10A:	. . [N: Chirp modulation (for spread spectrum techniques H04B1/69; for spread spectrum using chirp T04B1/69K)]
H04L27/10B:	. . [N: M-ary FSK]
H04L27/12:	. . Modulator circuits ; Transmitter circuits continuous phase modulation H04L27/20
H04L27/12B:	. . . using digital generation of carrier signals digital function generators G06F1/02, H04L17/10; generating pulses having stepped portions using digital techniques H03K4/02D
H04L27/12C:	. . . [N: using a controlled oscillator in an open loop]
H04L27/12F:	. . . [N: using a controlled oscillator in a feedback loop]
H04L27/14:	. . Demodulator circuits ; Receiver circuits for continuous phase modulation systems H04L27/22
H04L27/144:	. . . with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements
H04L27/148:	. . . . using filters, including PLL-type filters
H04L27/14B:	. . . Compensating direct current components occurring during the demodulation and which are caused by mistuning
H04L27/152:	. . . . using controlled oscillators, e.g. PLL arrangements
H04L27/152Q:	. . . . . using quadrature demodulation
H04L27/156:	. . . with demodulation using temporal properties of the received signal, e.g. detecting pulse width
H04L27/156A:	. . . . using transition or level detection
H04L27/156D:	. . . . using synchronous sampling
H04L27/16:	. . Frequency regulation arrangements
H04L27/18:	. Phase-modulated carrier systems, i.e. using phase-shift keying includes continuous phase systems
H04L27/18M:	. . Multiresolution systems
H04L27/18P:	. . in which the information is carried by both the individual signal points and the subset to which the individual signal points belong, e.g. coset coding or related schemes
H04L27/20:	. . Modulator circuits ; Transmitter circuits
H04L27/20C:	. . . for continuous phase modulation frequency shift keying H04L27/10
H04L27/20C1:	. . . . in which the phase change within each symbol period is constrained coset coding H04L27/18P
H04L27/20C1H:	. . . . . in which the allowed phase changes vary with time, e.g. multi-h modulation
H04L27/20C1L:	. . . . . in which the phase changes in a piecewise linear manner during each symbol period, e.g. minimum shift keying, fast frequency shift keying H04L27/20C1H takes precedence
H04L27/20C1N:	. . . . . in which the phase changes are non-linear, e.g. generalized and Gaussian minimum shift keying, tamed frequency modulation H04L27/20C1H takes precedence
H04L27/20C2:	. . . . in which the phase change per symbol period is not constrained
H04L27/20C2L:	. . . . . in which the phase changes in a piecewise linear manner within each symbol period
H04L27/20C2N:	. . . . . in which the phase changes are non-linear
H04L27/20D:	. . . for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
H04L27/20D1:	. . . . using a single or unspecified number of carriers
H04L27/20D1A:	. . . . . using microwave technology
H04L27/20D1B:	. . . . . with more than two phase states
H04L27/20D1B1:	. . . . . . in which the data are represented by carrier phase
H04L27/20D1B2:	. . . . . . in which the data are represented by the change in phase of the carrier
H04L27/20D2:	. . . . using more than one carrier, e.g. carriers with different phases
H04L27/20D2A:	. . . . . with a separate carrier for each phase state
H04L27/20D2B:	. . . . . using a pair of orthogonal carriers, e.g. quadrature carriers
H04L27/20D2B1:	. . . . . . using microwave technology
H04L27/20D2B2:	. . . . . . [N: with more than two phase states ]
H04L27/20D2B2A:	. . . . . . . in which the data are represented by the carrier phase, e.g. systems with differential coding
H04L27/20D2B2B:	. . . . . . . in which the data are represented by the change in carrier phase
H04L27/20D2B2C:	. . . . . . . in which the phase change per symbol period is constrained coset coding H04L27/18P
H04L27/20D2B2C1:	. . . . . . . . for offset or staggered quadrature phase shift keying
H04L27/20D2B2D:	. . . . . . . with more than one phase shift per symbol period
H04L27/20D2B2E:	. . . . . . . with unbalanced quadrature channels
H04L27/20D4:	. . . . with digital generation of the modulated carrier (does not include the modulation of a digitally generated carrier)
H04L27/20P:	. . . Arrangements for directly or externally modulating an optical carrier optical modulation H04B10/503
H04L27/22:	. . Demodulator circuits ; Receiver circuits
H04L27/227:	. . . using coherent demodulation
H04L27/227A:	. . . . wherein the carrier recovery circuit uses only the demodulated signals
H04L27/227A1:	. . . . . using phase locked loops H04L27/227A3 takes precedence
H04L27/227A3:	. . . . . associated with quadrature demodulation, e.g. Costas loop
H04L27/227C:	. . . . wherein the carrier recovery circuit uses the received modulated signals
H04L27/227C1:	. . . . . using frequency multiplication or harmonic tracking
H04L27/227C3:	. . . . . using remodulation
H04L27/227C5:	. . . . . using correlation techniques, e.g. for spread spectrum signals
H04L27/22P:	. . . Demodulation in the optical domain optical demodulation H04B10/676
H04L27/233:	. . . using non-coherent demodulation
H04L27/233A:	. . . . wherein the received signal is demodulated using one or more delayed versions of itself
H04L27/233C:	. . . . using a non-coherent carrier
H04L27/233E:	. . . . using filters
H04L27/233G:	. . . . using temporal properties of the received signal
H04L27/233G1:	. . . . . using digital techniques to measure the time between zero-crossings
H04L27/233J:	. . . . using sampling H04L27/233A to H04L27/233G take precedence
H04L27/24:	. . Half-wave signalling systems
H04L27/26:	. Systems using multi-frequency codes
H04L27/26M:	. . Multicarrier modulation systems
H04L27/26M1:	. . . Signal structure
H04L27/26M1E:	. . . . Multiresolution systems by means of multiresolution subcarriers H04L27/18M, H04L27/34M
H04L27/26M1G:	. . . . Symbol extensions
H04L27/26M1G1:	. . . . . Cyclic extensions
H04L27/26M1P:	. . . . Allocation of payload
H04L27/26M1R:	. . . . Details of reference signals H04L27/26M2E takes precedence
H04L27/26M1R1:	. . . . . Distribution thereof
H04L27/26M1R3:	. . . . . Structure of the reference signals per se
H04L27/26M2:	. . . Peak power aspects
H04L27/26M2A:	. . . . Reduction thereof using coding
H04L27/26M2A1:	. . . . . using block codes
H04L27/26M2C:	. . . . Reduction thereof using auxiliary subcarriers
H04L27/26M2E:	. . . . Reduction thereof by selection of pilot symbols
H04L27/26M2G:	. . . . Reduction thereof using phase offsets between subcarriers
H04L27/26M2K:	. . . . Reduction thereof by clipping
H04L27/26M2K1:	. . . . . by soft clipping
H04L27/26M3:	. . . Arrangements specific to the transmitter
H04L27/26M3A:	. . . . Modulators
H04L27/26M3A1:	. . . . . Inverse Fourier transform modulators, e.g. IFFT/IDFT DFT or FFT computation methods or devices in general G06F17/14F
H04L27/26M3A11:	. . . . . Wavelet transform modulators wavelets in general H04L27/00B; wavelet-division H04L5/00A2A1W
H04L27/26M3A13:	. . . . . using symbol repetition, e.g. time domain realization of distributed FDMA
H04L27/26M3A15:	. . . . . with oversampling
H04L27/26M3A1M:	. . . . . . modification of IFFT/IDFT modulator for performance improvement
H04L27/26M3A1P:	. . . . . . with polyphase implementation
H04L27/26M3A1S:	. . . . . . using partial FFTs
H04L27/26M3A3:	. . . . . IFFT/IDFT in combination with other circuits for modulation DFT or FFT computation methods or devices in general G06F17/14F
H04L27/26M3A3F:	. . . . . . with FFT/DFT, e.g. standard SC-FDMA transmitter or DFT-SOFDM
H04L27/26M3A5:	. . . . . with direct modulation of individual subcarriers
H04L27/26M3A7:	. . . . . Discrete cosine transform modulators
H04L27/26M3A9:	. . . . . Filterbank multicarrier (FBMC)
H04L27/26M3C:	. . . . using feedback from receiver for adjusting OFDM transmission parameters, e.g. transmission timing or guard interval length
H04L27/26M5:	. . . Arrangements specific to the receiver equalisation H04L25/03B, H04L27/01
H04L27/26M5A:	. . . . Demodulators
H04L27/26M5A1:	. . . . . Fourier transform demodulators
H04L27/26M5A1P:	. . . . . . with polyphase implementation
H04L27/26M5A5:	. . . . . with direct demodulation of individual subcarriers
H04L27/26M5C:	. . . . Synchronisation arrangements
H04L27/26M5C1:	. . . . . Frame synchronisation
H04L27/26M5C11:	. . . . . Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation
H04L27/26M5C11A:	. . . . . . involving interference determination or cancellation interference mitigation or coordination in orthogonal multiplex systems in general H04J11/00F
H04L27/26M5C11B:	. . . . . . with preamble design, i.e. with negotiation of the synchronisation sequence with transmitter or sequence linked to the algorithm used at the receiver
H04L27/26M5C11B1:	. . . . . . . adaptive design
H04L27/26M5C11C:	. . . . . . with channel estimation, e.g. determination of delay spread, derivative or peak tracking channel estimation per se H04L25/02C
H04L27/26M5C3:	. . . . . Carrier synchronisation
H04L27/26M5C3A:	. . . . . . Coarse or integer frequency offset determination and synchronisation
H04L27/26M5C3B:	. . . . . . Fine or fractional frequency offset determination and synchronisation
H04L27/26M5C5:	. . . . . Symbol synchronisation
H04L27/26M5C5A:	. . . . . . Coarse synchronisation, e.g. by correlation
H04L27/26M5C5B:	. . . . . . Fine synchronisation, e.g. by positioning the FFT window
H04L27/26M5C7:	. . . . . Acquisition of further OFDM parameters, e.g. bandwidth, subcarrier spacing, or guard interval length
H04L27/26M5C9:	. . . . . Details of algorithms
H04L27/26M5C9A:	. . . . . . characterised by the domain of operation
H04L27/26M5C9A1:	. . . . . . . Time domain
H04L27/26M5C9A2:	. . . . . . . Frequency domain
H04L27/26M5C9B:	. . . . . . characterised by synchronisation parameters
H04L27/26M5C9B1:	. . . . . . . Pilot or known symbols structure of pilot symbols H04L27/26M1R3; cell search in orthogonal multiplex systems H04J11/00J; allocation of pilot signals H04L5/00C5
H04L27/26M5C9B2:	. . . . . . . Blind, i.e. without using known symbols
H04L27/26M5C9B2A:	. . . . . . . . using cyclostationarities, e.g. cyclic prefix or postfix
H04L27/26M5C9B2B:	. . . . . . . . Decision-aided
H04L27/26M5C9C:	. . . . . . characterised by constraints
H04L27/26M5C9C1:	. . . . . . . Precision
H04L27/26M5C9C2:	. . . . . . . Complexity
H04L27/26M5C9C3:	. . . . . . . Speed of convergence
H04L27/26M5C9C4:	. . . . . . . Range of frequencies or delays tested
H04L27/26M5C9C5:	. . . . . . . Resistance to perturbation, e.g. noise, interference or fading
H04L27/26M7:	. . . in combination with other modulation techniques
H04L27/26M7M:	. . . . double density OFDM/OQAM system, e.g. OFDM/OQAM-IOTA system
H04L27/28:	. . with simultaneous transmission of different frequencies each representing one code element
H04L27/30:	. . wherein each code element is represented by a combination of frequencies
H04L27/32:	. Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02 , H04L27/10 , H04L27/18 or H04L27/26
H04L27/34:	. . Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
H04L27/34C:	. . . Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power
H04L27/34C1:	. . . . reducing the peak to average power ratio or the mean power of the constellation; Arrangements for increasing the shape gain of a signal set
H04L27/34C3:	. . . . in which the information is carried by both the individual signal points and the subset to which the individual points belong, e.g. using coset coding, lattice coding, or related schemes
H04L27/34C3A:	. . . . . in which the constellation is not the n - fold Cartesian product of a single underlying two-dimensional constellation
H04L27/34C3C:	. . . . . in which the constellation is the n - fold Cartesian product of a single underlying two-dimensional constellation
H04L27/34C3C1:	. . . . . . using an underlying square constellation
H04L27/34C3C3:	. . . . . . using an underlying generalised cross constellation
H04L27/34C5:	. . . . [N: by applying a certain rotation to regular constellations]
H04L27/34E:	. . . Modifications of the signal space to allow the transmission of additional information
H04L27/34E1:	. . . . in order to facilitate carrier recovery at the receiver end, e.g. by transmitting a pilot or by using additional signal points to allow the detection of rotations
H04L27/34E3:	. . . . in order to transmit a subchannel
H04L27/34E3A:	. . . . . by providing an alternative to one signal point
H04L27/34E3C:	. . . . . by switching between alternative constellations
H04L27/34E3E:	. . . . . by using the outer points of the constellation or of the constituent two-dimensional constellations
H04L27/34E3S:	. . . . . using a modulation of the constellation points
H04L27/34M:	. . . Multiresolution systems
H04L27/34N:	. . . using non - square modulating pulses, e.g. using raised cosine pulses; Partial response QAM, i.e. with partial response pulse shaping QAM over partial response channels H04L25/497
H04L27/36:	. . . Modulator circuits; Transmitter circuits
H04L27/36A:	. . . . Modulation using a single or unspecified number of carriers, e.g. with separate stages of phase and amplitude modulation
H04L27/36B:	. . . . Modulation using more than one carrier, e.g. with quadrature carriers, separately amplitude modulated H04L27/36G takes precedence
H04L27/36B1:	. . . . . using non - square modulating pulses, modulators specifically designed for this transmission of non - square QAM H04L27/34N
H04L27/36B3:	. . . . . Arrangements for overcoming imperfections in the modulator, e.g. quadrature error or unbalanced I and Q levels
H04L27/36D:	. . . . Modulation using digital generation of the modulated carrier (not including modulation of a digitally generated carrier)
H04L27/36G:	. . . . Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator
H04L27/36G1:	. . . . . using predistortion
H04L27/36G1A:	. . . . . . adaptive predistortion
H04L27/38:	. . . Demodulator circuits; Receiver circuits
H04L27/38A:	. . . . Amplitude regulation arrangements
H04L27/38C:	. . . . using coherent demodulation, i.e. using one or more nominally phase synchronous carriers H04L27/227 and H04L27/38S take precedence
H04L27/38C1:	. . . . . in which the carrier is recovered using only the demodulated baseband signals
H04L27/38C2:	. . . . . in which the carrier is recovered using the received modulated signal or the received IF signal, e.g. by detecting a pilot or by frequency multiplication
H04L27/38N:	. . . . using non - coherent demodulation, i.e. not using a phase synchronous carrier
H04L27/38N2:	. . . . . using a non - coherent carrier, including systems with baseband correction for phase or frequency offset
H04L27/38N2A:	. . . . . . Compensation for quadrature error in the received signal
H04L27/38N2B:	. . . . . . Compensation for phase rotation in the demodulated signal
H04L27/38N5:	. . . . . using sampling and digital processing, not including digital systems which imitate heterodyne or homodyne demodulation
H04L27/38S:	. . . . with separate demodulation for the phase and amplitude components
H04L29/00:	Arrangements, apparatus, circuits or systems, not covered by a single one of groups H04L1/00 to H04L27/00 contains provisionally no documents
H04L29/12A4C:	. . . . [N: for version compatibility, e.g. Internet Protocol version 6 (IPv6) to Internet Protocol Version 4 (IPv4)]
H04L29/12A9E:	. . . . [N: Transport address specific aspects, e.g. aspects of Transmission Control Protocol (TCP) or User Datagram Protocol (UDP) ports]
H04L29/02:	. Communication control ; Communication processing contains provisionally no documents
H04L29/04:	. . for plural communication lines contains provisionally no documents
H04L29/06:	. . characterised by a protocol
H04L29/06A:	. . . Protocol performance
H04L29/06B:	. . . Protocol definition or specification protocol conformance testing H04L1/24C2; specification techniques G06F9/44G4S
H04L29/06C:	. . . [N: Protocols characterised by their application (H04L29/08N takes precedence)]
H04L29/06C2:	. . . . Protocols for multimedia communication
H04L29/06C4:	. . . . Protocols for telewriting; Protocols for networked simulations, virtual reality or games
H04L29/06C5:	. . . . Protocols for data compression compression in general H03M7/30
H04L29/06C6:	. . . .  Protocols or architecture for network security[N9509][C0810]
H04L29/06C6A:	. . . . . for separating internal and external traffic, e.g. firewalls[N0004]
H04L29/06C6B:	. . . . . for the confidentiality of the information travelling over the network, e.g. encryption of data (arrangements for secret or secure communication H04L9/00)[N0004]
H04L29/06C6C:	. . . . . for allowing a denying access to network elements[N0004]
H04L29/06C6C2:	. . . . . . using authentication protocols, e.g. Kerberos, challenge- response (means for verifying the identity or authority of a user of the system H04L9/32)[N0004]
H04L29/06C6D:	. . . . . Security provided by high-level applications, e.g. Java (program access rights G06F9/46R4)[N0004]
H04L29/06C6E:	. . . . . Maintaining multiple levels of security, e.g. classes, user profiles, policies[N0004]
H04L29/06C6F:	. . . . . using different network or path for securing the traffic[N0004]
H04L29/06C6G:	. . . . . for guaranteeing the integrity of the information, e.g. digital signatures (verifying the identity of a user using electronic signatures H04L9/32S)[N0004]
H04L29/06C6H:	. . . . . for protecting from external virus (computer virus detection or handling G06F1/00R)[N0004][C0211]
H04L29/06C8:	. . . . Protocols for client-server architecture
H04L29/06D:	. . . Notations for structuring of protocol data, e.g. Abstract Syntax Notation One (ASN 1)
H04L29/06E:	. . . Protocols for interworking or protocol conversion
H04L29/06F:	. . . Streamlined, light-weight or high-speed protocols, e.g. express transfer protocol (XTP), byte stream
H04L29/06G:	. . . Protocol engines, e.g. VLSIs, transputer
H04L29/06H:	. . . Multichannel or multilink protocols
H04L29/06J:	. . . Special adaptations or provisions of the transmission control protocol/internet protocol [TCP/IP or the user datagram protocol [UDP] (network layer protocol adaptations for supporting mobility, e.g. mobile IP H04W80/04 ; flow control in data switching networks in general H04L12/56D ; adapting video multiplex streams to a specific network H04N21/2381 ]
H04L29/06J1:	. . . . Provisions for terminal portability in the internet, e.g. mobile IP[N9807]
H04L29/06J11:	. . . . involving combined use or selection criteria between TCP and UDP protocols multi-protocol arrangements in general H04L29/06K; multilink protocols in general H04L29/06H
H04L29/06J13:	. . . . IP fragmentation or TCP segmentation aspects evaluation of maximum transfer unit H04L12/56D27; assembly or disassembly of packets in wireless networks H04W28/06D
H04L29/06J15:	. . . . Transitional provisions between IPv4 and IPv6 address translation between IPv4 and IPv6 H04L29/12A4A1A; involvement of different protocol versions in wireless network layer protocols, e.g. MIPv4 and MIPv6, H04W80/04V
H04L29/06J17:	. . . . Special adaptations of TCP, UDP or IP to match specific link layer protocols, e.g. ATM, SONET or PPP IP over ATM H04Q11/04S2; special adaptation of TCP protocol for wireless media H04W80/06
H04L29/06J19:	. . . . Special adaptations of TCP, UDP or IP for interworking of IP based networks with other networks protocols for interworking in general H04L29/06E
H04L29/06J3:	. . . . Implementation details of TCP/IP or UDP/IP stack architecture; specification of modified or new header fields protocols engines in general H04L29/06G; OSI stack based layering aspects H04L29/08A; protocol header analysis in general H04L29/06N
H04L29/06J3S:	. . . . . involving adaptations of sockets based mechanisms secure socket layer H04L29/06S16E
H04L29/06J7:	. . . . Adaptation of TCP data exchange control procedures generic OSI layer 4 protocols, e.g. SCTP H04L29/08A4; TCP or UDP flow control procedures H04L12/56D10; error control procedures in general H04L1/18
H04L29/06J9:	. . . . Adaptation or special uses of UDP protocol
H04L29/06K:	. . . Multi-protocol handler, e.g. single device capable of handling multiple protocols
H04L29/06L:	. . . Protocols for remote procedure call
H04L29/06M:	. . . Arrangements for real-time multimedia communications data switching systems for broadcast or conference H04L12/18; message switching systems H04L12/58; television systems H04N7/00; interconnection arrangements between switching centres for working between exchanges having different types of switching equipment where the types of switching equipment comprise PSTN/ISDN equipment and equipment of networks other than PSTN/ISDN H04M7/12H; systems providing special services to telephonic subscribers H04M3/42; network applications in general H04L29/08N
H04L29/06M2:	. . . . Signalling, control or architecture selecting or control in telephonic networks H04Q3/00; data network management H04L12/24; data network testing or monitoring H04L12/26
H04L29/06M2H:	. . . . . Signalling or session protocols
H04L29/06M2H2:	. . . . . . SIP (Session Initiation Protocol)
H04L29/06M2H4:	. . . . . . H.323
H04L29/06M2N:	. . . . . Network architectures, gateways, control or user entities
H04L29/06M2N1:	. . . . . . IMS (IP multimedia subsystem) (wireless communication networks H04W)
H04L29/06M2N2:	. . . . . . Gateways protocols for interworking or protocol conversion H04L29/06E; interconnection between PSTN/ISDN networks and networks other than PSTN/ISDN H04M7/12H; arrangements for connecting between networks having differing types of switching systems H04L12/66
H04L29/06M2N2M:	. . . . . . . Media gateways
H04L29/06M2N2M2:	. . . . . . . . at the edge
H04L29/06M2N2M4:	. . . . . . . . in the network
H04L29/06M2N2S:	. . . . . . . Signalling gateways
H04L29/06M2N2S2:	. . . . . . . . at the edge
H04L29/06M2N2S4:	. . . . . . . . in the network
H04L29/06M2N3:	. . . . . . MGC media gateway control), MGCP or Megaco (decomposed PSTN/ISDN-IP gateways H04M7/12H10G
H04L29/06M2N4:	. . . . . . Call controllers; Call servers
H04L29/06M2N5:	. . . . . . Proxies, e.g. SIP proxies
H04L29/06M2N6:	. . . . . . Arrangements providing PBX functionality, e.g. IP PBX circuit switched PBXs H04M3/42P; PBX networks H04M7/00P
H04L29/06M2N6M:	. . . . . . . for multi-site
H04L29/06M2N7:	. . . . . . End-user terminal functionality substation equipment for use by subscribers H04M1/00; terminal profiles H04L29/08N29T; terminal emulation H04L29/08N7; adaptation for terminals with limited resources or for terminal portability H04L29/08N3
H04L29/06M2N8:	. . . . . . Application servers systems providing special services to telephonic subscribers H04M3/42
H04L29/06M2S:	. . . . . Session control
H04L29/06M2S1:	. . . . . . Setup connection or session management in network applications H04L29/08N13; arrangements for peer-to-peer networking in network applications H04L29/08N9P; negotiation of communication capabilities H04L29/06P
H04L29/06M2S2:	. . . . . . Registration arrangements for addressing or naming in data networks H04L29/12A
H04L29/06M2S3:	. . . . . . Screening arrangements for screening incoming telephone calls H04M3/436; arrangements for network security H04L29/06S
H04L29/06M2S3S:	. . . . . . . of unsolicited session attempts, e.g. SPIT SPAM prevention in IP telephony) (message switching systems H04L12/58
H04L29/06M2S4:	. . . . . . In-session procedures
H04L29/06M2S4M:	. . . . . . . session scope modification
H04L29/06M2S4M2:	. . . . . . . . by adding or removing media
H04L29/06M2S4M4:	. . . . . . . . by adding or removing participants
H04L29/06M2S5:	. . . . . . Features, e.g. call-forwarding or call hold systems providing special services to telephonic subscribers H04M3/42
H04L29/06M4:	. . . . Services or applications systems providing special services to telephonic subscribers H04M3/42; contact center services H04M3/51; information services comprising voice H04M3/487
H04L29/06M4A:	. . . . . Services involving a main real time session and one or more additional parallel sessions multichannel or multilink protocols H04L29/06H; services and arrangements where telephone services are combined with data services H04M7/00D
H04L29/06M4A2:	. . . . . . where at least one of the additional parallel sessions is real time or time sensitive, e.g. white board sharing, collaboration, spawning of a subconference telewriting, virtual reality or network gaming H04L29/06C4
H04L29/06M4A4:	. . . . . . where none of the additional parallel sessions is real time or time sensitive, e.g. downloading a file in a parallel FTP session, initiating an email, combinational services file transfer H04L29/08N5; WEB based applications H04L29/08N1; message switching systems H04L12/58; instant messaging H04L12/58B
H04L29/06M4C:	. . . . . Arrangements for multiparty communication e.g. conference television conferencing systems H04N7/15; telephonic conference systems H04M3/56; data switching systems for broadcast or conference H04L12/18
H04L29/06M4C2:	. . . . . . with central floor control
H04L29/06M4C4:	. . . . . . with distributed floor control
H04L29/06M4C6:	. . . . . . without floor control
H04L29/06M4P:	. . . . . "Push-to-X" services Push-to-Talk services in wireless networks H04W4/02P
H04L29/06M4S:	. . . . . Services related to one way streaming
H04L29/06M4S2:	. . . . . . Multicast or broadcast data switching systems for broadcast or conference H04L12/18; television systems in general H04N5/00, H04N7/00; arrangements for broadcast or distribution combined with broadcast H04H20/00; arrangements for broadcast applications with a direct linkage of broadcast information H04H60/00; arrangements for push based network services H04L29/08N25
H04L29/06M4S4:	. . . . . . Content on demand television systems using two way working H04N7/173
H04L29/06M4S6:	. . . . . . Control of source by destination, e.g. user controlling streaming rate of server television systems using two way working H04N7/173
H04L29/06M6:	. . . . Media handling, encoding, streaming or conversion
H04L29/06M6C:	. . . . . Media manipulation, adaptation or conversion transmission of television signals using pulse code modulation H04N7/24; adaptation for terminals or networks with limited resources or for terminal portability H04L29/08N3; data reduction or adaptation H04L29/08N27R; network application being adapted for the location of the user terminal H04L29/08N17
H04L29/06M6C2:	. . . . . . at the source
H04L29/06M6C4:	. . . . . . at the destination
H04L29/06M6C6:	. . . . . . intermediate
H04L29/06M6E:	. . . . . Stream encoding details transmission of television signals using pulse code modulation H04N7/24; protocols for data compression H04L29/06C5; header parsing or analysis H04L29/06N
H04L29/06M6P:	. . . . . Streaming protocols, e.g. RTP, RTCP
H04L29/06M8:	. . . . Quality of Service QoS) aspects (arrangements for scheduling or organising the servicing of requests whereby quality of service or priority requirements are taken into account H04L29/08N31Q; adaptation for terminals and/or networks with limited resources or for terminal portability H04L29/08N3; data reduction and/or adaptation H04L29/08N27R; network application is adapted for the location of the user terminal H04L29/08N17
H04L29/06N:	. . . Header parsing and analysis
H04L29/06P:	. . . Negotiation of communication capabilities
H04L29/06R:	. . . [N: Special purpose or proprietary protocols or architectures (H04L29/08N11 takes precedence)]
H04L29/06S:	. . . Arrangements for network security security arrangements for protecting computers or computer systems against unauthorised activity G06F21/00; arrangements for secret or secure communication H04L9/00; security arrangements specially adapted for wireless communication networks H04W12/00
H04L29/06S10:	. . . . [N: Access control]
H04L29/06S10A:	. . . . . [N: Access control lists (ACL)]
H04L29/06S10B:	. . . . . [N: User profiles]
H04L29/06S10C:	. . . . . Grouping of users
H04L29/06S10D:	. . . . . Multiple levels of security
H04L29/06S12:	. . . . [N: Verifying the information received]
H04L29/06S12A:	. . . . . [N: Checking the content, e.g. message integrity]
H04L29/06S12B:	. . . . . [N: Checking the source, e.g. non-repudiation]
H04L29/06S14:	. . . . [N: Detection of malicious traffic; protection against malicious traffic]
H04L29/06S14A:	. . . . . [N: Monitoring network traffic]
H04L29/06S14A1:	. . . . . . [N: Event detection]
H04L29/06S14A2:	. . . . . . [N: Traffic logging]
H04L29/06S14C:	. . . . . [N: Vulnerability analysis]
H04L29/06S14D:	. . . . . [N: Countermeasures against attacks]
H04L29/06S14D1:	. . . . . . [N: Viruses; Trojans; Worms]
H04L29/06S14D2:	. . . . . . [N: Denial of Service]
H04L29/06S14D4:	. . . . . . [N: Session hijacking, e.g. TCP sequence number attacks]
H04L29/06S14D6:	. . . . . . [N: Session spying, e.g. eavesdropping]
H04L29/06S16:	. . . . [N: Security features implemented at a particular protocol layer]
H04L29/06S16A:	. . . . . [N: at the data link layer, e.g. SILS, EAP]
H04L29/06S16C:	. . . . . [N: at the network layer, e.g. IPSec AH, ESP]
H04L29/06S16E:	. . . . . [N: at the transport layer, e.g. SSL, TLS]
H04L29/06S16G:	. . . . . [N: above the transport layer, e.g. https, JAVA]
H04L29/06S18:	. . . . [N: using a different network or path for securing the traffic]
H04L29/06S2:	. . . . [N: Separating internal and external traffic, e.g. firewalls]
H04L29/06S20:	. . . . [N: Security management; Security policies in general (filtering policies H04L29/06S2B)]
H04L29/06S2A:	. . . . . [N: Architectural arrangements, e.g. perimeter networks, demilitarized zones]
H04L29/06S2A1:	. . . . . . [N: Distributed architectures]
H04L29/06S2B:	. . . . . [N: Filtering policies]
H04L29/06S2B1:	. . . . . . [N: Filtering by address, protocol, port number or service, e.g. IP-address, URL]
H04L29/06S2B2:	. . . . . . [N: Filtering by information in the payload]
H04L29/06S2B4:	. . . . . . [N: Stateful filtering]
H04L29/06S2B6:	. . . . . . [N: Rule management]
H04L29/06S2C:	. . . . . [N: Virtual private networks]
H04L29/06S2D:	. . . . . [N: Proxies]
H04L29/06S2E:	. . . . . [N: Firewall traversal, e.g. tunnelling, creating pinholes]
H04L29/06S4:	. . . . [N: Protecting information from access by third parties]
H04L29/06S4A:	. . . . . [N: Protecting a party's identity, e.g. anonymous]
H04L29/06S4A2:	. . . . . . [N: during transmission, i.e. identity only known to the other party or parties involved in the communication]
H04L29/06S4A4:	. . . . . . [N: Anonymous communication, i.e. identity not known to any party at all]
H04L29/06S4B:	. . . . . [N: Protecting the content, e.g. encryption]
H04L29/06S4B1:	. . . . . . [N: using symmetric encryption, i.e. same key used for encryption and decryption]
H04L29/06S4B2:	. . . . . . [N: using asymmetric encryption, i.e. different keys for encryption and decryption]
H04L29/06S4B4:	. . . . . . [N: using hybrid encryption, i.e. combination of symmetric and asymmetric encryption]
H04L29/06S4B6:	. . . . . . [N: using dynamic encryption, e.g. stream encryption]
H04L29/06S4B8:	. . . . . . [N: Re-encryption]
H04L29/06S4B9:	. . . . . . [N: Hardware and software architectures for enhanced packet encryption processing]
H04L29/06S6:	. . . . [N: Key management]
H04L29/06S6A:	. . . . . [N: Key exchange, e.g. in peer-to-peer networks]
H04L29/06S6B:	. . . . . [N: Key distribution, e.g. centrally by trusted party]
H04L29/06S6B1:	. . . . . . [N: Hierarchical key distribution, e.g. by multi-tier trusted parties]
H04L29/06S6C:	. . . . . [N: for group communications]
H04L29/06S6D:	. . . . . [N: One-time keys]
H04L29/06S6E:	. . . . . [N: Time-dependent keys, e.g. periodically changing keys]
H04L29/06S8:	. . . . [N: Authentication mechanisms]
H04L29/06S8A:	. . . . . [N: Tickets, e.g. Kerberos]
H04L29/06S8B:	. . . . . [N: Single-sign-on]
H04L29/06S8C:	. . . . . [N: Certificates]
H04L29/06S8D:	. . . . . [N: Passwords]
H04L29/06S8D1:	. . . . . . [N: One-time-passwords]
H04L29/06S8D2:	. . . . . . [N: Time-dependent-passwords, e.g. periodically changing passwords]
H04L29/06S8E:	. . . . . [N: using an additional device, e.g. smartcard, SIM]
H04L29/06S8F:	. . . . . [N: using biometrical features, e.g. fingerprint, retina-scan]
H04L29/06S8G:	. . . . . [N: Mutual authentication]
H04L29/06T:	. . . Timer mechanisms used in protocols
H04L29/08:	. . . Transmission control procedure, e.g. data link level control procedure
H04L29/08A:	. . . . Open systems interconnection (OSI) architecture, e.g. layering, entities, standards; Interface between layers; Software aspects
H04L29/08A1:	. . . . . Physical layer, i.e. layer one
H04L29/08A2:	. . . . . Data link layer, i.e. layer two, e.g. HDLC
H04L29/08A3:	. . . . . Network layer, i.e. layer three, e.g. X.25
H04L29/08A4:	. . . . . Transport layer, i.e. layer four
H04L29/08A5:	. . . . . Session layer, i.e. layer five
H04L29/08A6:	. . . . . Presentation layer, i.e. layer six
H04L29/08A7:	. . . . . [N: Application layer, i.e. layer seven (not used)] [N: WARNING: from 01.01.2006 onwards, documents relating to the application layer, and in particular to protocols for network applications are classified in H04L29/08N and subgroups. All documents previously classified in 29/08A7 are reclassified in these groups]
H04L29/08N:	. . . . Protocols for network applications message switching systems H04L12/58; protocols for multimedia communication H04L29/06C2; protocols for telewriting H04L29/06C4
H04L29/08N1:	. . . . . [N: involving the use of web-based technology, e.g. Hyper Text Transfer Protocol (HTTP), (information retrieval from the Internet G06F17/30W)]
H04L29/08N11:	. . . . . adapted for proprietary or special purpose networking environments, e.g. medical networks, sensor networks, networks in a car digital computing or data processing equipment or methods, specially adapted for specific applications G06F19/00; home automation networks H04L12/28H; total factory control characterised by the network communication G05B19/418N; games involving transmission A63F13/12
H04L29/08N11M:	. . . . . . involving the management of devices over a network network management H04L12/24; device management using web-based technology H04L29/08N1A
H04L29/08N13:	. . . . . Arrangements for session management real-time session management for multimedia connections H04L29/06M; negotiation of communication capabilities H04L29/06P; packet switching or routing H04L12/56; connection management in wireless networks, e.g. connection set-up, manipulation or release H04W76/00; session management for telephonic communication and services H04M7/00; intertask communications in multiprogramming arrangements G06F9/54
H04L29/08N13A:	. . . . . . provided for setup of an application session
H04L29/08N13B:	. . . . . . provided for managing session state for stateless protocols, e.g. HTTP; Signalling a session state; State transitions; Keeping-state mechanisms
H04L29/08N13C:	. . . . . . provided for session termination, e.g., event controlled end of session
H04L29/08N13C1:	. . . . . . . provided for avoiding end of session (e.g. keep-alive, heartbeats, resumption message, wake-up for inactive or interrupted session)
H04L29/08N13J:	. . . . . . markers provided for unambiguous identification of a particular session, e.g. session identifier, session cookie or URL-encoding verifying the identity or authority of a user or a system, ID-based authentication H04L9/32; ID-based key exchange H04L9/08
H04L29/08N13M:	. . . . . . provided for signalling methods or particular messages providing extensions to IETF, ITU, ETSI or 3GPP protocols, e.g. additional proprietary messages, standard messages enhanced by additional header fields or standard messages being used for purposes other than originally intended
H04L29/08N13T:	. . . . . . provided for migration or transfer of sessions
H04L29/08N15:	. . . . . Arrangements for service discovery, e.g. Service Location Protocol SLP) (address allocation to terminals or nodes connected to a network H04L29/12A
H04L29/08N17:	. . . . . in which the network application is adapted for the location of the user terminal services specially adpated for wireless communication networks making use of the location of users or terminals H04W4/02
H04L29/08N19:	. . . . . involving third party service providers e-commerce G06Q30/00
H04L29/08N1A:	. . . . . . [N: for remote control or remote monitoring (Network management using Internet technology H04L12/24A7; Network monitoring H04L12/26M)]
H04L29/08N21:	. . . . . Arrangements for tracking the activity of the application user monitoring arrangements in general H04L12/26M; e-ommerce G06Q30/00
H04L29/08N23:	. . . . . Arrangements for presence management instant messaging H04L12/58B
H04L29/08N25:	. . . . . [N: Arrangements for push based network services (broadcast and multicast push services H04L12/18P)]
H04L29/08N27:	. . . . . involving intermediate processing or storage in the network, e.g. proxy billing provisions H04L12/14; network management provisions H04L12/24; monitoring provisions H04L12/26M; multimedia network architectures; gateways and control entities H04L29/06M2N; multimedia handling; encoding and conversion H04L29/06M6; security provisions H04L29/06S; addressing provisions H04L29/12A
H04L29/08N27A:	. . . . . . Arrangements for adding application control or application functional data, e.g. adding metadata
H04L29/08N27B:	. . . . . . m Arrangements for brokering protocols for client-server architecture H04L29/06C8; negotiation of communication capabilities H04L29/06P; e-commerce G06Q30/00
H04L29/08N27C:	. . . . . . Arrangements for intermediate storage, e.g. caching browsing optimisation of access to content G06F17/30W9C
H04L29/08N27D:	. . . . . . Arrangements for data redirection load balancing H04L29/08N9A; access network selection H04L12/28P1A; routing path selection H04L12/56C; context based routing H04L29/08N31Y; addressing aspects H04L29/12A
H04L29/08N27E:	. . . . . . Arrangements for evaluation of intercepted application data aiming at enhancement of application control
H04L29/08N27F:	. . . . . . Arrangements for conversion or adaptation of application content or format H04L29/08N27L takes precedence; protocol conversion H04L29/06E
H04L29/08N27G:	. . . . . . Arrangements for grouping or aggregating service requests, e.g. for unified processing of service requests
H04L29/08N27I:	. . . . . . Arrangements for integrating service provisioning from a plurality of service providers
H04L29/08N27L:	. . . . . . Arrangements for reducing the amount or size of exchanged application data protocols for header compression H04L29/06C5; optimizing visualization of content G06F17/30W9V; digital video compression H04N7/26
H04L29/08N27R:	. . . . . . Arrangements for data reduction and/or adaptation protocols for data compression H04L29/06C5; optimising the visualization of content G06F17/30W9V; digital video signal compression H04N7/26
H04L29/08N27S:	. . . . . . Arrangements for storing temporarily data at an intermediate stage, e.g. caching browsing optimization of access to content by caching G06F17/30W9C
H04L29/08N27S2:	. . . . . . . involving pre-fetching or pre-delivering data
H04L29/08N27S4:	. . . . . . . involving policies or rules for updating, deleting or replacing the stored data
H04L29/08N27S6:	. . . . . . . involving storage of data provided by user terminals, i.e. reverse caching
H04L29/08N27U:	. . . . . . Arrangements for providing operational support to end devices when they are unavailable, e.g. being off-line; off-loading of end devices counter-measures to a fault H04L29/14
H04L29/08N27V:	. . . . . . Arrangements to globally emulate or virtualize the functionalities of an end device H04L29/08N27U takes precedence
H04L29/08N27X:	. . . . . . Architectural aspects
H04L29/08N27X1:	. . . . . . . Implementation details of a single intermediate entity
H04L29/08N27X2:	. . . . . . . Pairs of interprocessing entities at each side of the network, e.g. split proxies
H04L29/08N27X4:	. . . . . . . Distributed intermediate devices, i.e. intermediate device interaction with other intermediate devices on the same level
H04L29/08N27X6:	. . . . . . . Hierarchically arranged intermediate devices, e.g. hierarchical caching
H04L29/08N27X8:	. . . . . . . where the intermediate processing is functionally located closer to the data consumer application, e.g. in same machine, in same home or in same subnetwork
H04L29/08N27X9:	. . . . . . . where the intermediate processing is functionally located closer to the data provider application, e.g. reverse proxies; in same machine, in same cluster or subnetwork
H04L29/08N29:	. . . . . [N: involving profiles]
H04L29/08N29T:	. . . . . . [N: Terminal profiles]
H04L29/08N29U:	. . . . . . [N: User profiles]
H04L29/08N3:	. . . . . adapted for terminals or networks with limited resources and for terminal portability, e.g. Wireless Application Protocol WAP) (services or facilities specially adapted for wireless communciation networks H04W4/00
H04L29/08N31:	. . . . . Arrangements for scheduling and organising the servicing of requests, e.g. requests for data transmissions involving the analysis and optimisation of the requires network resources broadcast or conference with schedule organisation H04L12/18S
H04L29/08N31Q:	. . . . . . [N: whereby quality of service and priority requirements are taken into account]
H04L29/08N31T:	. . . . . . [N: whereby a time schedule is established for servicing the requests]
H04L29/08N31Y:	. . . . . . [N: whereby the routing of a service request to a node providing the service depends on the content and context of the request, e.g. profile, connectivity status]
H04L29/08N33:	. . . . . involving the movement of software and/or configuration parameters, e.g. applets, programme loading or initiating G06F9/445
H04L29/08N35:	. . . . . [N: involving the display to the application user of network conditions affecting the network application (graphical user interfaces for network management H04L12/24F3; terminal emulation H04L29/08N7)]
H04L29/08N5:	. . . . . [N: adapted for file transfer, e.g. File Transfer Protocol (FTP)]
H04L29/08N7:	. . . . . adapted for terminal emulation, e.g. telnet protocols for telewriting or protocols for networked simulations, virtual reality or games H04L29/06C4
H04L29/08N9:	. . . . . in which application tasks are distributed across nodes in the network multiprogramming arrangements G06F9/46
H04L29/08N9A:	. . . . . . Network arrangements or communication protocol arrangements for accessing one among a plurality of replicated servers, e.g. load balancing rebalancing the processing load in a distributed system G06F9/50L; arrangements for peer-to-peer networking H04L29/08N9P; wireless network traffic load balancing H04W28/08; network load balancing, traffic engineering H04L12/56D2B; video servers using load balancing strategies H04N21/231BN0603 [M1111
H04L29/08N9A1:	. . . . . . . Server selection in load balancing allocation of processing resources to service a request in a distributed system G06F9/50A6
H04L29/08N9A11:	. . . . . . . Reaction to server failures by a load balancer
H04L29/08N9A13:	. . . . . . . Load balancing of requests to servers for services different from user content provisioning, e.g. load balancing to DNS servers or firewalls internet service provider selection H04L12/56F
H04L29/08N9A15:	. . . . . . . Load balancing arrangements to avoid a single path through a load balancer
H04L29/08N9A1A:	. . . . . . . . with static server selection, e.g. the same server being selected for a specific client allocation of processing resources considering data affinity G06F9/50A6A
H04L29/08N9A1B:	. . . . . . . . based on parameters of servers, e.g. available memory or workload allocation of processing resources considering the load G06F9/50A6L
H04L29/08N9A1C:	. . . . . . . . based on network conditions
H04L29/08N9A1D:	. . . . . . . . based on compliance of requirements or conditions with available server resources
H04L29/08N9A1E:	. . . . . . . . based on the content of a request
H04L29/08N9A1F:	. . . . . . . . based on round robin mechanisms
H04L29/08N9A1G:	. . . . . . . . based on random server selection
H04L29/08N9A1H:	. . . . . . . . based on locations of client and servers
H04L29/08N9A1J:	. . . . . . . . based on other criteria, e.g., hash applied to IP address, specific algorithms or cost
H04L29/08N9A3:	. . . . . . . Dynamic adaptation of server selection criteria for load balancing
H04L29/08N9A5:	. . . . . . . Persistence of sessions during load balancing
H04L29/08N9A7:	. . . . . . . Collection and organization of data related to the state of servers by a load balancer
H04L29/08N9A9:	. . . . . . . Controlling of the operation of servers by a load balancer, e.g. adding or removing servers that serve requests
H04L29/08N9P:	. . . . . . Arrangements for peer-to-peer networking [P2P ; functionalities, architectural details or applications of P2P networks ]
H04L29/08N9P1:	. . . . . . . involving topology management mechanisms
H04L29/08N9P1A:	. . . . . . . . Group management mechanisms
H04L29/08N9P1A1:	. . . . . . . . . Joining mechanisms
H04L29/08N9P1A2:	. . . . . . . . . Departure and maintenance mechanisms counter-measures to a fault H04L29/14
H04L29/08N9P1A4:	. . . . . . . . . Group master selection mechanisms
H04L29/08N9P1A5:	. . . . . . . . . with pre-configuration of logical or physical connections with a determined number of other peers
H04L29/08N9P1A5L:	involving connection limits involving dynamic management of active down/uploading connections H04L29/08N9P3C3
H04L29/08N9P1A5T:	involving pre-assessment of levels of reputation of peers
H04L29/08N9P1B:	. . . . . . . . Inter-group management mechanisms, e.g. splitting, merging or interconnection of groups
H04L29/08N9P2:	. . . . . . . involving resource based peer discovery mechanisms access to replicated servers H04L29/08N9A; arrangements for service discovery H04L29/08N15; topology discovery for routing H04L12/56C1
H04L29/08N9P2A:	. . . . . . . . Discovery through centralizing entities
H04L29/08N9P2B:	. . . . . . . . Discovery involving distributed pre-established resource-based relationships among peers; e.g. based on DHTs pre-configuration of logical or physical connections H04L29/08N9P1A5
H04L29/08N9P2C:	. . . . . . . . Discovery involving direct consultation/announcement among potential requesting and potential source peers
H04L29/08N9P2C1:	. . . . . . . . . with limitation/expansion of the discovery scope
H04L29/08N9P2D:	. . . . . . . . Discovery involving ranked list compilation of candidate peers
H04L29/08N9P3:	. . . . . . . involving resource distribution mechanisms routing over an overlay routing layer H04L12/56C128
H04L29/08N9P3A:	. . . . . . . . Resource dissemination mechanisms and resource keeping policies for optimal resource availability in the overlay network
H04L29/08N9P3C:	. . . . . . . . Resource delivery mechanisms
H04L29/08N9P3C1:	. . . . . . . . . characterized by resources being split in blocks or fragments
H04L29/08N9P3C2:	. . . . . . . . . involving incentive schemes
H04L29/08N9P3C3:	. . . . . . . . . involving dynamic management of active down/uploading connections
H04L29/08N9P8:	. . . . . . . involving cross functional aspects
H04L29/08N9P8A:	. . . . . . . . Hierarchical topologies
H04L29/08N9P8B:	. . . . . . . . Interfacing with client/server systems and between P2P systems
H04L29/08N9P8C:	. . . . . . . . Some peer nodes performing special functions
H04L29/08N9R:	. . . . . . [N: Arrangements for replication or mirroring of data, e.g. data synchronisation between network nodes and/or user terminals]
H04L29/08N9S:	. . . . . . [N: Arrangements and networking functions for distributed storage of data in a network, e.g. Storage Area Networks (SAN), Network Attached Storage (NAS)]
H04L29/10:	. . characterised by an interface, e.g. the interface between the data link level and the physical level contains provisionally no documents
H04L29/12:	. characterised by the data terminal contains provisionally no documents
H04L29/12A:	. . Arrangements for addressing and naming in data networks
H04L29/12A1:	. . . Mapping of addresses of different types; address resolution
H04L29/12A1A:	. . . . across network layers, e.g. resolution of network layer into physical layer addresses, Address Resolution Protocol (ARP)
H04L29/12A1B:	. . . . across networks, e.g. mapping telephone numbers to data network addresses
H04L29/12A2:	. . . Directories; name-to-address mapping telephone directories in user terminals H04M1/27
H04L29/12A2A:	. . . . involving standard directories and standard directory access protocols
H04L29/12A2A1:	. . . . . using Domain Name System (DNS)
H04L29/12A2A2:	. . . . . using Open Systems Interconnection Directories, i.e. X.500
H04L29/12A2A3:	. . . . . using Lightweight Directory Access Protocol (LDAP)
H04L29/12A2A4:	. . . . . using Voice over IP (VoIP) directories, e.g. Session Initiation Protocol (SIP) registrar or H.323 gatekeeper
H04L29/12A2B:	. . . . using an address exchange platform which sets up a session between two nodes, e.g. Rendezvous server H04L29/12A2A4 takes precedence for address exchange for Voice over IP
H04L29/12A2C:	. . . . for service discovery network applications for service discovery H04L29/08N15
H04L29/12A2D:	. . . . for personal communications, i.e. using a personal identifier
H04L29/12A2E:	. . . . Mechanisms for table lookup, also between directories; Directory data structures; Synchronization of directories information retrieval in file systems G06F17/30F; information retrieval in structured data stores G06F17/30S
H04L29/12A2F:	. . . . Object oriented directories, e.g. CORBA name server
H04L29/12A2G:	. . . . Directories for electronic mail or instant messaging message switching systems per se H04L12/58
H04L29/12A2H:	. . . . Directories for hybrid networks, e.g. including also telephone numbers
H04L29/12A2I:	. . . . Metadirectories, i.e. all encompassing global directory which interfaces to various underlying directories
H04L29/12A2J:	. . . . containing identifiers of data entities on a computer, e.g. file names
H04L29/12A2K:	. . . . containing mobile subscriber information, e.g. Home Subscriber Server (HSS)
H04L29/12A2L:	. . . . Address books, i.e. directories containing contact information about correspondents, e.g. on a user device directories providing the best way to reach a correspondent H04L29/12A2D
H04L29/12A3:	. . . Address allocation
H04L29/12A3A:	. . . . Internet Protocol (IP) addresses
H04L29/12A3A1:	. . . . . using the Dynamic Host Configuration Protocol (DHCP) or variants
H04L29/12A3A2:	. . . . . using the Bootstrap Protocol (BOOTP) or variants
H04L29/12A3A3:	. . . . . using an authentication, authorization and accounting [AAA protocol, e.g. remote authentication dial-in user service [RADIUS] or diameter ]
H04L29/12A3B:	. . . . for local use, e.g. on Local Area Networks LAN) or on Universal Serial Bus (USB) networks (bus addresses inside a computer G06F13/42
H04L29/12A3C:	. . . . involving the solving of address allocation conflicts; involving testing of addresses
H04L29/12A3D:	. . . . involving timing and renewal aspects
H04L29/12A3E:	. . . . involving aspects of pools of addresses, e.g. assignment of different pools of addresses to different Dynamic Host Configuration Protocol (DHCP) servers
H04L29/12A3F:	. . . . for group-, multicast- and broadcast-communication
H04L29/12A3G:	. . . . involving update or notification mechanisms, e.g. update of a Domain Name Server with Dynamic Host Configuration Protocol (DHCP) assigned addresses
H04L29/12A3H:	. . . . involving portability aspects mobility data transfer in wireless communication networks H04W8/26; mobile IP, network layer protocols in wireless communication networks H04W80/04
H04L29/12A3I:	. . . . by self assignment, e.g. pick address randomly and test if already in use
H04L29/12A4:	. . . Mapping of addresses of the same type; Address translation
H04L29/12A4A:	. . . . Internet Protocol (IP) address translation
H04L29/12A4A1:	. . . . . Translating between special types of IP addresses
H04L29/12A4A1A:	. . . . . . between different IP versions
H04L29/12A4A1B:	. . . . . . between local and global IP addresses
H04L29/12A4A1C:	. . . . . . involving port numbers
H04L29/12A4A2:	. . . . . Special translation architecture, different from a single Network Address Translation (NAT) server
H04L29/12A4A2A:	. . . . . . Translation at a client
H04L29/12A4A2B:	. . . . . . Translation at a proxy
H04L29/12A4A2C:	. . . . . . Clique of NAT servers
H04L29/12A4A2D:	. . . . . . Multiple local networks, e.g. resolving potential IP address conflicts
H04L29/12A4A3:	. . . . . for hiding addresses or keeping them anonymous
H04L29/12A4A4:	. . . . . involving dual-stack hosts
H04L29/12A4A5:	. . . . . Mechanisms for avoiding unnecessary translation
H04L29/12A4A6:	. . . . . Map-table maintenance and indexing
H04L29/12A4A6A:	. . . . . . Binding renewal aspects; Keep-alive messages
H04L29/12A4A7:	. . . . . Translation policies and rules
H04L29/12A4A8:	. . . . . NAT-Traversal
H04L29/12A4A8A:	. . . . . . for a higher-layer protocol, e.g. for SIP
H04L29/12A4A8B:	. . . . . . for reachability, e.g. inquiring the address of a correspondent behind a NAT server
H04L29/12A4A8C:	. . . . . . for identification, e.g. for authentication, for billing
H04L29/12A4A8D:	. . . . . . using address mapping retrieval, e.g. Simple Traversal of UDP through NATs (STUN)
H04L29/12A4A8E:	. . . . . . transparent to the NAT server
H04L29/12A4A8F:	. . . . . . through control of the NAT server, e.g. using Universal Plug and Play (UPnP)
H04L29/12A4A8G:	. . . . . . through Application Level Gateway (ALG)
H04L29/12A4A8H:	. . . . . . over a relay server, e.g. traversal using relay NAT [TURN ]
H04L29/12A4A9:	. . . . . involving tunneling or encapsulation protecting information from access by third parties H04L29/06S4
H04L29/12A4B:	. . . . Non-IP address translation
H04L29/12A5:	. . . Arrangements for managing names, e.g. use of aliases or nicknames retrieval from the Internet by using information identifiers, e.g. URLs G06F17/30W5; name-to-address mapping H04L29/12A2
H04L29/12A5A:	. . . . Mechanisms for avoiding name conflicts
H04L29/12A5C:	. . . . Name conversion
H04L29/12A5R:	. . . . Name registration, generation or assignment
H04L29/12A5R1:	. . . . . Administrative registration, e.g. for domain names at internet corporation for assigned names and numbers [ICANN ]
H04L29/12A5R2:	. . . . . Domain name generation or assignment
H04L29/12A5S:	. . . . Name structure
H04L29/12A5S1:	. . . . . containing non-Latin characters, e.g. Chinese domain names
H04L29/12A5S2:	. . . . . containing protocol addresses or telephone numbers address type involved H04L29/12A9D
H04L29/12A5S3:	. . . . . containing wildcard characters
H04L29/12A5S4:	. . . . . containing special prefixes
H04L29/12A5S5:	. . . . . containing special suffixes
H04L29/12A5T:	. . . . Name types
H04L29/12A5T1:	. . . . . Application layer names, e.g. buddy name, unstructured name chosen by a user or home appliance name
H04L29/12A5T2:	. . . . . E-mail addresses message switching systems H04L12/58
H04L29/12A5T4:	. . . . . Access point names [APN , i.e. name of a gateway GPRS support node [GGSN] connecting a mobile user to a packet data network [PDN]]
H04L29/12A5T5:	. . . . . Telephone URI
H04L29/12A5T6:	. . . . . Session initiation protocol [SIP URI]
H04L29/12A5T7:	. . . . . Globally routable user-agent URI [GRUU for SIP]
H04L29/12A5T8:	. . . . . IP multimedia private identity [IMPI or IP multimedia public identity [IMPU]]
H04L29/12A6:	. . . involving non-standard use of addresses for implementing network functionalities, e.g. coding subscription information within the address, functional addressing, i.e. assigning an address to a function
H04L29/12A9:	. . . Details
H04L29/12A9A:	. . . . about the structures and formats of addresses
H04L29/12A9B:	. . . . Caching of addresses
H04L29/12A9C:	. . . . Proxying of addresses
H04L29/12A9D:	. . . . about address types
H04L29/12A9D11:	. . . . . Layer 2 addresses, e.g. Medium Access Control (MAC) addresses
H04L29/12A9D12:	. . . . . Control Area Network CAN) identifiers (vehicle networks B60R16/03M
H04L29/12A9D13:	. . . . . Small Computer System Interface (SCSI) addresses
H04L29/12A9D14:	. . . . . IEEE1394 (FireWire) identification numbers
H04L29/12A9D15:	. . . . . Asynchronous Transfer Mode (ATM) addresses
H04L29/12A9D16:	. . . . . Fibre channel identifiers
H04L29/12A9D30:	. . . . . Telephone numbers
H04L29/12A9D40:	. . . . . International Mobile Subscriber Identity (IMSI) numbers
H04L29/12A9D50:	. . . . . Internet Protocol version 6 (IPv6) addresses
H04L29/12A9D60:	. . . . . Transport layer addresses, e.g. aspects of Transmission Control Protocol (TCP) or User Datagram Protocol (UDP) ports
H04L29/12A9F:	. . . . IP addresses subnets
H04L29/12A9G:	. . . . Short addresses
H04L29/12A9H:	. . . . Multiple interfaces, e.g. multihomed nodes
H04L29/12A9I:	. . . . involving addresses for wireless personal area networks and wireless sensor networks, e.g. Zigbee addresses
H04L29/12A9J:	. . . . involving dual-stack hosts, e.g. in IPv4/IPv6 networks
H04L29/12A9K:	. . . . involving geographic information, e.g. room number
H04L29/12A9L:	. . . . involving masks or ranges of addresses
H04L29/14:	. Counter-measures to a fault
H04L41/00:	[N: Arrangements for maintenance or administration or management of packet switching networks] [N: WARNINGGroups H04L41/00 - H04L41/50M5 do not correspond to former or current IPC groups.Concordance ECLA : IPC for these groups is as follows:- H04L41/00 - H04L41/50M5 : H04L12/24]
H04L41/02:	. [N: involving integration or standardization]
H04L41/02A:	. . [N: using standardized network management architectures, e.g. telecommunication management network [TMN] or unified network management architecture [UNMA]]
H04L41/02B:	. . [N: using standardized network management protocols, e.g. simple network management protocol [SNMP] or common management interface protocol [CMIP] ]
H04L41/02C:	. . [N: Multivendor or multistandard integration]
H04L41/02D:	. . [N: Mapping or translation of multiple network management protocols]
H04L41/02E:	. . [N: using object oriented techniques, e.g. common object request broker architecture [CORBA] for representation of network management data]]
H04L41/02F:	. . [N: using relational databases for representation of network management data, e.g. managing via structured query language [SQL] (information retrieval in structured data stores G06F17/30S)]
H04L41/02G:	. . [N: exchanging or transporting network management information using Internet , e.g. aspects relating to embedding network management web servers in network elements, web service for network management purposes, aspects related to Internet applications or services or web-based protocols, simple object access protocol [SOAP] (web-based network application protocols H04L67/02; web-based network application protocols for remote control of end-devices or monitoring of remote application data H04L67/02A; proprietary application protocols for remote control of end-devices in special networking environments H04L67/12M; retrieval from the Internet G06F17/30W)]
H04L41/02G1:	. . . [N: involving a browser or web-pages for accessing management information (graphical user interface for network management H04L41/22)]
H04L41/02G2:	. . . [N: involving e-messaging for transporting management information, e.g. email, instant messaging or chat]
H04L41/02G3:	. . . [N: involving management internet meta-data, objects or commands, e.g. by using mark-up language]
H04L41/02G4:	. . . [N: involving the use of web services for network management, e.g. SOAP
H04L41/02G4A:	. . . . [N: for synchronization between service call and response]
H04L41/02G4B:	. . . . [N: for search or classification or discovery of web services providing management functionalities (network applications and protocols for service discovery H04L67/16)]
H04L41/02G4C:	. . . . [N: for accessing web services by means of a binding identification of the management service or element (aspects of naming and addressing in general H04L61/00)]
H04L41/04:	. [N: Architectural aspects of network management arrangements]
H04L41/04A:	. . [N: Arrangements involving multiple distributed management centers cooperatively managing the network]
H04L41/04B:	. . [N: Arrangements involving a hierarchical management structure]
H04L41/04C:	. . [N: Aspects of network management agents]
H04L41/04C1:	. . . [N: mobile agents]
H04L41/06:	. [N: involving management of faults or events or alarms]
H04L41/06A:	. . [N: Alarm or event filtering, e.g. for reduction of information]
H04L41/06A1:	. . . [N: based on severity or priority]
H04L41/06A2:	. . . [N: based on the type or category of the network elements]
H04L41/06A3:	. . . [N: based on the physical or logical position]
H04L41/06A4:	. . . [N: based on time]
H04L41/06A5:	. . . [N: by acting on the notification or alarm source]
H04L41/06B:	. . [N: Alarm or event or notifications correlation; Root cause analysis]
H04L41/06B1:	. . . [N: based on a decision tree analysis]
H04L41/06B2:	. . . [N: involving time analysis ]
H04L41/06B3:	. . . [N: by additionally acting on or stimulating the network after receiving notifications ]
H04L41/06B4:	. . . [N: involving logical or physical relationship, e.g. grouping and hierarchies]
H04L41/06C:	. . [N: Network fault recovery (backup route selection H04L12/56C104; route fault recovery H04L12/56C108; techniques for recovering from a failure of a protocol instance or entity H04L69/40)]
H04L41/06C1:	. . . [N: by isolating the faulty entity]
H04L41/06C1A:	. . . . [N: involving offline failover planning]
H04L41/06C2:	. . . [N: selecting new candidate element]
H04L41/06C3:	. . . [N: by re-configuring the faulty entity]
H04L41/06D:	. . [N: localization of fault position]
H04L41/06E:	. . [N: involving configuration of triggering conditions ]
H04L41/06F:	. . [N: involving notification enrichment]
H04L41/06G:	. . [N: involving storage or log of alarms or notifications or post-processing thereof]
H04L41/06H:	. . [N: involving fault of the network management or monitoring system]
H04L41/08:	. [N: Configuration management of network or network elements (proprietary application protocols for remote control of end-devices in special networking environments H04L67/12M; automatic configuration specially adapted for wireless networks H04W24/02)]
H04L41/08A:	. . [N: Configuration setting of network or network elements (communication protocols supporting networked applications involving the movement of software or networked applications configuration parameters H04L67/34)]
H04L41/08A1:	. . . [N: for initial configuration or provisioning]
H04L41/08A1A:	. . . . [N: Plug-and-play configuration]
H04L41/08A2:	. . . [N: Changing of configuration]
H04L41/08A2A:	. . . . [N: due to adaptation, e.g. in response to network events]
H04L41/08A2B:	. . . . [N: due to updating or upgrading of network functionality, e.g. firmware (topology update or discovery for routing purposes H04L12/56C1)]
H04L41/08A3:	. . . [N: Configuration optimization]
H04L41/08A3A:	. . . . [N: for network cost reduction]
H04L41/08A3B:	. . . . [N: for network speed increase]
H04L41/08A3C:	. . . . [N: to reduce network energy consumption]
H04L41/08A3D:	. . . . [N: to enhance reliability, e.g. reduce downtime]
H04L41/08A4:	. . . [N: Configuration by copying]
H04L41/08A4A:	. . . . [N: based on generic templates]
H04L41/08A4B:	. . . . [N: based on copy from other elements]
H04L41/08B:	. . [N: Keeping track of network configuration]
H04L41/08B1:	. . . [N: by actively collecting or retrieving configuration information]
H04L41/08B2:	. . . [N: by archiving or backing up configuration information]
H04L41/08B3:	. . . [N: by keeping history of different configuration generations or versions]
H04L41/08B4:	. . . [N: by rolling back to previous configuration versions]
H04L41/08C:	. . [N: Checking configuration]
H04L41/08C1:	. . . [N: by validating configuration within one network element]
H04L41/08C2:	. . . [N: by checking configuration conflicts with other network elements]
H04L41/08D:	. . [N: Aspects of the degree of configuration automation]
H04L41/08D1:	. . . [N: Manual configuration through operator]
H04L41/08D2:	. . . [N: Semiautomatic configuration, e.g. proposals from system]
H04L41/08D3:	. . . [N: Fully automatic configuration]
H04L41/08E:	. . [N: Techniques to speed-up the configuration process]
H04L41/08F:	. . [N: Assignment of logical groupings to network elements; Policy based network management or configuration]
H04L41/08G:	. . [N: Bandwidth or capacity management, i.e. automatically increasing or decreasing capacities, e.g. bandwidth on demand (reallocation of resources, renegotiation of resources, e.g. in-call H04L12/56R5)]
H04L41/12:	. [N: network topology discovery or management (topology discovery for routing H04L12/56C1)]
H04L41/14:	. [N: involving network analysis or design, e.g. simulation, network model or planning (network monitoring H04L43/00)]
H04L41/14A:	. . [N: using statistical or mathematical methods]
H04L41/14B:	. . [N: involving simulating, designing, planning or modelling of a network]
H04L41/14C:	. . [N: for prediction of network behaviour]
H04L41/16:	. [N: Network management using artificial intelligence]
H04L41/18:	. [N: Arrangements involving CNM [Customer Network Management]]
H04L41/20:	. [N: Network management software packages]
H04L41/22:	. [N: using GUI [Graphical User Interface]]
H04L41/24:	. [N: using dedicated network management hardware]
H04L41/26:	. [N: using dedicated tools for LAN [Local Area Network] management]
H04L41/28:	. [N: Security in network management, e.g. restricting network management access (network architectures or network communication protocols for network security H04L63/00; cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00; network architectures or network communication protocols for wireless network security H04W12/00; security arrangements for protecting computers or computer systems against unauthorised activity G06F21/00)]
H04L41/30:	. [N: Decision processes by autonomous network management units using voting and bidding]
H04L41/32:	. [N: Specific management aspects for broadband networks]
H04L41/50:	. [N: Network service management, i.e. ensuring proper service fulfillment according to an agreement or contract between two parties, e.g. between an IT-provider and a customer]
H04L41/50A:	. . [N: Managing service level agreement [SLA] or interaction between SLA and quality of service [QoS] ]
H04L41/50A1:	. . . [N: Defining or negotiating SLA contracts, guarantees or penalties (SLA negotiation in wireless networks H04W28/24)]
H04L41/50A2:	. . . [N: Determining service level performance, e.g. measuring SLA quality parameters, determining contract or guarantee violations, response time or mean time between failure [MTBF] (monitoring performance metrics on a simple network level H04L43/08)]
H04L41/50A2A:	. . . . [N: determining service availability, e.g. which services are available at a certain point in time]
H04L41/50A2A1:	. . . . . [N: based on statistics of service availability, e.g. in percentage or over a given time]
H04L41/50B:	. . [N: Ensuring SLA (flow or congestion control at network level H04L12/56D)]
H04L41/50B1:	. . . [N: by giving priorities, e.g. assigning classes of service]
H04L41/50B2:	. . . [N: by proactively reacting to service quality change, e.g. degradation or upgrade, by reconfiguration (mere recovery after a network faults H04L41/06C)]
H04L41/50C:	. . [N: Service quality level based billing, e.g. dependent on measured service level customer is charged more or less (general charging or billing for transport of data packets H04L12/14)]
H04L41/50D:	. . [N: Generating service level reports]
H04L41/50E:	. . [N: Measuring contribution of individual network components to actual service level (alarm or event correlation H04L41/06B)]
H04L41/50F:	. . [N: Testing of service level quality, e.g. simulating service usage]
H04L41/50G:	. . [N: Service implementation]
H04L41/50G1:	. . . [N: Making service definitions prior to deployment]
H04L41/50G2:	. . . [N: Automatic or semi-automatic definitions, e.g. definition templates]
H04L41/50G3:	. . . [N: Service on demand, i.e. services are defined and provided in real time as requested by the user]
H04L41/50G4:	. . . [N: Automatic provisioning of the service triggered by the service manager, e.g. concrete service implementation by automatic configuration of network components (for initializing configuration, i.e. provisioning of network or devices H04L41/08A1)
H04L41/50H:	. . [N: Service discovery by the service manager (automatically determining the actual topology of a network H04L41/12; topology discovery for routing H04L12/56C1; arrangements for service discovery, e.g. service location protocol H04L67/16)]
H04L41/50J:	. . [N: Customer care]
H04L41/50J1:	. . . [N: Customer relationship management (arrangements involving customer network management, i.e. giving the customer access to network management functions H04L41/18)]
H04L41/50J2:	. . . [N: Customer-centric quality of service [QoS] measurement]
H04L41/50J3:	. . . [N: Filtering out customers affected by service problems]
H04L41/50J4:	. . . [N: Handling of trouble tickets]
H04L41/50L:	. . [N: wherein the managed service relates to simple transport services, i.e. providing only network infrastructure]
H04L41/50M:	. . [N: based on type of value added network service under agreement]
H04L41/50M1:	. . . [N: wherein the managed service relates to web hosting (web-based network application protocols H04L67/02; web site content organization and management G06F17/30W7; video-hosting H04N21/2743)]
H04L41/50M2:	. . . [N: wherein the managed service relates to voice services (protocols for real-time multimedia communications H04L65/00; management of telephonic communication services H04M3/22; management of VoIP services H04M7/00M24)]
H04L41/50M3:	. . . [N: wherein the managed service relates to media content delivery, e.g. audio / video / TV (protocols for real-time multimedia communications H04L65/00; interactive television or VoD H04N21)]
H04L41/50M4:	. . . [N: wherein the managed service relates to messaging or chat services (messaging, such as e-mail in packet-switching networks H04L12/58; conducting a computer conference H04L12/18D2; instant messaging H04L12/58B )]
H04L41/50M5:	. . . wherein the managed service relates to distributed or central networked applications management of file systems G06F17/30F; management of structured data stores G06F17/30S
H04L43/00:	[N: Arrangements for monitoring or testing packet switching networks (networking arrangements or communications protocols for supporting networked applications for tracking the activity of the application user H04L67/22; monitoring of computing systems G06F11/30; monitoring of computer activity G06F11/34)][N: WARNINGGroups H04L43/00 - H04L43/50 do not correspond to former or current IPC groups.Concordance ECLA : IPC for these groups is as follows:- H04L43/00 - H04L43/50 : H04L12/26]
H04L43/02:	. [N: involving a reduction of monitoring data]
H04L43/02A:	. . [N: using sampling of monitoring data, i.e. storing only a selection of packets]
H04L43/02A1:	. . . [N: using adaptive sampling]
H04L43/02B:	. . [N: using flow generation]
H04L43/02C:	. . [N: using filtering (alarm or event filtering H04L41/06A)]
H04L43/04:	. [N: Processing of captured monitoring data]
H04L43/04A:	. . [N: for graphical visualization of monitoring data (graphical user interfaces H04L41/22; display of network or application conditions affecting the network application to the application user H04L67/36; visual indication of the functioning of a computing machine G06F11/32)]
H04L43/06:	. [N: Report generation]
H04L43/06A:	. . [N: for traffic related reporting]
H04L43/06B:	. . [N: for device related reporting (reporting of sensed information of home appliances H04L12/28H)]
H04L43/06C:	. . [N: for time frame related reporting]
H04L43/08:	. [N: Monitoring based on specific metrics]
H04L43/08A:	. . [N: Availability]
H04L43/08C:	. . . [N: Connectivity]
H04L43/08D:	. . . [N: functioning (networked applications tracking the activity of users H04L67/22; monitoring appliance functionality of home appliances H04L12/28H)]
H04L43/08E:	. . [N: Errors (management of events, faults or alarms in networks or network elements H04L41/06)]
H04L43/08E1:	. . . [N: Packet loss]
H04L43/08E1A:	. . . . [N: One way packet loss]
H04L43/08E1B:	. . . . [N: Round trip packet loss]
H04L43/08E2:	. . . [N: Transmission error]
H04L43/08F:	. . [N: Delays]
H04L43/08F1:	. . . [N: One way delays]
H04L43/08F2:	. . . [N: Round trip delays]
H04L43/08F3:	. . . [N: Jitter]
H04L43/08G:	. . [N: Network utilization]
H04L43/08G1:	. . . [N: Utilization of link capacity]
H04L43/08G2:	. . . [N: Throughput]
H04L43/08G3:	. . . [N: Packet rate]
H04L43/10:	. [N: using active monitoring, e.g. heartbeat protocols, polling, ping, trace-route]
H04L43/10A:	. . [N: with adaptive polling, i.e. dynamically adapting the polling rate]
H04L43/10B:	. . [N: by adding timestamps to packets]
H04L43/12:	. [N: using dedicated network monitoring probes]
H04L43/14:	. [N: using software, i.e. software packages (network security related monitoring H04L63/14A)]
H04L43/16:	. [N: using threshold monitoring]
H04L43/18:	. [N: using protocol analyzers]
H04L43/50:	. [N: Testing arrangements]
H04L45/00:	[N: Routing or path finding of packets in data switching networks (specially adapted for wireless routing H04W40/00)][N:WARNING Groups H04L45/00 - H04L45/74 do not correspond to former or current IPC groups. Concordance ECLA : IPC for this groups is as follows: - H04L45/00 - 45/74 : H04L12/56 ]
H04L45/02:	. [N: Topology update or discovery (topology discovery for network management H04L41/12; LAN interconnection over a backbone network H04L12/46B; node-based peer discovery mechanisms in peer-to-peer networks H04L67/10P2) ]
H04L45/02A:	. . [N: Routing table update consistency, e.g. epoch number]
H04L45/02B:	. . [N: Delayed use of routing table update]
H04L45/02C:	. . [N: Updating only a limited number of routers, e.g. fish-eye update]
H04L45/02D:	. . [N: Details of "hello" or keep-alive messages]
H04L45/02E:	. . [N: Dynamic adaptation of the update interval, e.g. event-triggered update]
H04L45/04:	. [N: Interdomain routing, e.g. hierarchical routing]
H04L45/06:	. [N: Deflection routing, e.g. hot-potato routing]
H04L45/08:	. [N: Learning-based routing, e.g. neural networks]
H04L45/10:	. [N: Routing in connection-oriented networks, e.g. X.25, ATM]
H04L45/12:	. [N: Shortest path evaluation]
H04L45/121:	. . [N: Minimizing delay
H04L45/122:	. . [N: Minimizing distance, e.g. ? number of hops]
H04L45/123:	. . [N: Evaluation of link metrics (techniques for monitoring network metrics H04L43/08)]
H04L45/124:	. . [N: using a combination of metrics]
H04L45/125:	. . [N: based on throughput or bandwidth]
H04L45/126:	. . [N: minimizing geographical or physical path length]
H04L45/127:	. . [N: based on intermediate node capabilities]
H04L45/128:	. . [N: for finding disjoint paths]
H04L45/1283:	. . . [N: with disjoint links]
H04L45/1287:	. . . [N: with disjoint nodes]
H04L45/14:	. [N: Routing performance; Theoretical aspects]
H04L45/16:	. [N: Multipoint routing (arrangements for multicast or broadcast in data networks H04L12/18)]
H04L45/18:	. [N: Loop free]
H04L45/20:	. [N: Hop count for routing purposes, e.g. TTL]
H04L45/22:	. [N: Alternate routing]
H04L45/24:	. [N: Multipath]
H04L45/24A:	. . [N: Link aggregation, e.g. trunking]
H04L45/26:	. [N: Route discovery packet]
H04L45/28:	. [N: Route fault recovery (network fault recoveryH04L41/06C)]
H04L45/30:	. [N: Special provisions for routing multiclass traffic]
H04L45/302:	. . [N: Route determination based on requested QoS]
H04L45/304:	. . [N: Route determination for signaling traffic]
H04L45/306:	. . [N: Route determination based on the nature of the carried application (communications protocols whereby the routing of a service request to a node providing the service depends on the content or context of the request, e.g. profile, connectivity status H04L67/32Y)]
H04L45/3065:	. . . [N: for real time traffic]
H04L45/308:	. . [N: Route determination based on user's profile, e.g. premium users]
H04L45/32:	. [N: Flooding (denial of service attacks H04L63/14D2)]
H04L45/34:	. [N: Source routing]
H04L45/36:	. [N: Backward learning]
H04L45/38:	. [N: Flow based routing]
H04L45/40:	. [N: Wormhole routing]
H04L45/42:	. [N: Centralized routing]
H04L45/44:	. [N: Distributed routing]
H04L45/46:	. [N: Cluster building]
H04L45/48:	. [N: Routing tree calculation]
H04L45/50:	. [N: using label swapping, e.g. multi-protocol label switch [MPLS] ]
H04L45/50A:	. . [N: Frame based]
H04L45/50B:	. . [N: Cell based]
H04L45/50C:	. . [N: Label distribution]
H04L45/52:	. [N: Multiprotocol routers]
H04L45/54:	. [N: Organization of routing tables]
H04L45/56:	. [N: Routing software]
H04L45/56A:	. . [N: Software download or update (software deployment in general G06F8/60)]
H04L45/56B:	. . [N: Routing instructions carried by the data packet, e.g. active networks]
H04L45/58:	. [N: Association of routers]
H04L45/58A:	. . [N: Stackable routers]
H04L45/58B:	. . [N: Virtual routers]
H04L45/60:	. [N: Router architecture]
H04L45/62:	. [N: Wavelength based (optical switching H04Q11/00P4 )]
H04L45/64:	. [N: using an overlay routing layer (Peer-to-Peer networks H04L67/10P)]
H04L45/66:	. [N: Layer 2 routing, e.g. in Ethernet based MAN`s]
H04L45/68:	. [N: Pseudowire emulation, e.g. IETF WG PWE3]
H04L45/70:	. [N: Routing based on monitoring results (techniques for monitoring network metrics H04L43/08]
H04L45/72:	. [N: Routing based on the source address]
H04L45/74:	. [N: Address processing for routing]
H04L45/742:	. . [N: Route cache and its operation]
H04L45/745:	. . [N: Address table lookup or address filtering]
H04L45/7453:	. . . [N: using hashing]
H04L45/7457:	. . . [N: using content-addressable memories (CAM)]
H04L45/748:	. . . [N: Longest matching prefix]
H04L45/74C:	. . [N: Routing in networks with a plurality of addressing schemes, e.g. IPv4 and IPv6]
H04L47/00:	Traffic regulation in packet switching networks arrangements for detecting or correcting errors in the information received H04L1/00
H04L47/10:	. [N: Flow control or congestion control]
H04L47/11:	. . [N: Congestion identification]
H04L47/11A:	. . . [N: using a dedicated packet]
H04L47/12:	. . [N: Congestion avoidance or recovery]
H04L47/12A:	. . . [N: Diverting traffic away from congested spots]
H04L47/12B:	. . . [N: Load balancing, e.g. traffic engineering (load balancing among servers H04L67/10A)]
H04L47/12C:	. . . [N: Congestion prediction]
H04L47/13:	. . [N: in a LAN segment, e.g. ring or bus]
H04L47/13A:	. . . [N: by jamming the transmission media]
H04L47/14:	. . [N: in wireless networks]
H04L47/15:	. . [N: in relation to multipoint traffic (arrangements for broadcast or multicast in data networks H04L12/18)]
H04L47/16:	. . [N: in connection oriented networks, e.g. frame relay]
H04L47/17:	. . [N: Hop by hop]
H04L47/18:	. . [N: End to end]
H04L47/19:	. . [N: at layers above network layer (general aspects of TCP H04L69/16; network arrangements for networked applications for scheduling or organising the servicing of application requests H04L67/32)]
H04L47/19A:	. . . [N: at transport layer, e.g. TCP related]
H04L47/19B:	. . . [N: Integration of transport layer protocols, e.g. TCP and UDP]
H04L47/20:	. . [N: Policing]
H04L47/21:	. . [N: using leaky bucket]
H04L47/21A:	. . . [N: Token bucket]
H04L47/22:	. . [N: Traffic shaping]
H04L47/22A:	. . . [N: Determination of shaping rate, e.g. using a moving window]
H04L47/23:	. . [N: Bit dropping]
H04L47/24:	. . [N: depending on the type of traffic, e.g. priority or quality of service [QoS] (Network arrangements for networked applications for scheduling or organising the servicing of application requests whereby quality of service or priority requirements are taken into account H04L67/32Q)]
H04L47/24A:	. . . [N: Different services, e.g. type of service [ToS] ]
H04L47/24B:	. . . [N: Real time traffic (arrangements for real-time multimedia communications H04L65/00)]
H04L47/24C:	. . . [N: Service specification, e.g. SLA (general aspects of SLA management H04L12/24C3)]
H04L47/24C1:	. . . . [N: Allocation of priorities to traffic types]
H04L47/24D:	. . . [N: Flow classification]
H04L47/24E:	. . . [N: using preemption]
H04L47/24F:	. . . [N: Modification of priorities while in transit]
H04L47/24G:	. . . [N: Modification of handling priority for control packets, e.g. for ACK or signaling packets]
H04L47/24H:	. . . [N: Application aware]
H04L47/24J:	. . . [N: Flow identification]
H04L47/24K:	. . . [N: Mapping QoS requirements between different networks]
H04L47/25:	. . [N: Rate modification upon detection by the source of changing network conditions]
H04L47/26:	. . [N: Explicit feedback to the source, e.g. choke packet]
H04L47/26A:	. . . [N: Source rate modification after feedback]
H04L47/26A1:	. . . . [N: Stopping or restarting the source, e.g. X-on or X-off ]
H04L47/27:	. . [N: Window size evaluation or update, e.g. using information derived from ACK packets]
H04L47/28:	. . [N: using time considerations]
H04L47/28A:	. . . [N: Network and process delay, e.g. jitter or round trip time [RTT] ]
H04L47/28B:	. . . [N: Time to live]
H04L47/29:	. . [N: Using a combination of thresholds]
H04L47/30:	. . [N: using information about buffer occupancy at either end or transit nodes]
H04L47/31:	. . [N: Tagging of packets, e.g. discard eligibility [DE] bit ]
H04L47/32:	. . [N: Packet discarding or delaying]
H04L47/32A:	. . . [N: Discarding or blocking control packets, e.g. ACK packets]
H04L47/32B:	. . . [N: With random discard, e.g. random early discard [RED] ]
H04L47/33:	. . [N: Forward notification]
H04L47/34:	. . [N: Sequence integrity e.g. sequence numbers]
H04L47/35:	. . [N: Embedded flow control information in regular packets, e.g. Piggybacking]
H04L47/36:	. . [N: Evaluation of the packet size, e.g. maximum transfer unit [MTU] ]
H04L47/36A:	. . . [N: Dynamic adaptation of the packet size]
H04L47/37:	. . [N: Slow start]
H04L47/38:	. . [N: Adapting coding or compression rate]
H04L47/39:	. . [N: Credit based]
H04L47/40:	. . [N: Using splitted connections, e.g. IP spoofing]
H04L47/41:	. . [N: Actions on aggregated flows or links]
H04L47/50:	. [N: Queue scheduling]
H04L47/52:	. . [N: Bandwidth attribution to queues]
H04L47/52A:	. . . [N: Static queue service slot or fixed bandwidth allocation]
H04L47/52B:	. . . [N: Dynamic queue service slot or variable bandwidth allocation]
H04L47/52B1:	. . . . [N: Queue skipping]
H04L47/52C:	. . . [N: Redistribution of residual bandwidth]
H04L47/52D:	. . . [N: Quantum based scheduling, e.g. credit or deficit based scheduling or token bank]
H04L47/52E:	. . . [N: Minimum bandwidth guarantee]
H04L47/54:	. . [N: Loss aware scheduling]
H04L47/56:	. . [N: Delay aware scheduling]
H04L47/56A:	. . . [N: Attaching a time tag to queues]
H04L47/56B:	. . . [N: Attaching a deadline to packets, e.g. earliest due date first]
H04L47/56B1:	. . . . [N: Deadline varies as a function of time spent in the queue]
H04L47/56C:	. . . [N: Calendar queues or timing rings]
H04L47/58:	. . [N: Changing or combining different scheduling modes, e.g. multimode scheduling]
H04L47/60:	. . [N: Hierarchical scheduling]
H04L47/62:	. . [N: General aspects]
H04L47/62A:	. . . [N: Arrangements for avoiding head of line blocking]
H04L47/62B:	. . . [N: Individual queue per connection or flow, e.g. per VC]
H04L47/62C:	. . . [N: Individual queue per QOS, rate or priority]
H04L47/62D:	. . . [N: Queue service order]
H04L47/62D1:	. . . . [N: fixed service order, e.g. Round Robin]
H04L47/62D2:	. . . . [N: weighted service order (H04L47/201, H04L47/202, H04L47/203 take precedence) ]
H04L47/62D3:	. . . . [N: variable service order]
H04L47/62E:	. . . [N: Altering the ordering of packets in an individual queue]
H04L47/62F:	. . . [N: Modifications to standard FIFO or LIFO]
H04L47/62G:	. . . [N: Other criteria for service slot or service order]
H04L47/62G1:	. . . . [N: queue load conditions, e.g. longest queue first]
H04L47/62G2:	. . . . [N: channel conditions]
H04L47/62G3:	. . . . [N: past bandwidth allocation]
H04L47/62G4:	. . . . [N: policing]
H04L47/62G5:	. . . . [N: priority]
H04L47/62G6:	. . . . [N: packet size, e.g. shortest packet first]
H04L47/62H:	. . . [N: Provisions for avoiding starvation of low priority queues]
H04L47/62J:	. . . [N: Fair share of resources, e.g. WFQ]
H04L47/62M:	. . . [N: Multiple queues per individual QOS, connection, flow or priority]
H04L47/70:	. [N: Admission control or resource allocation (medium access in wavelength-division multiplex systems H04J14/02M)]
H04L47/72:	. . [N: Reservation actions]
H04L47/72A:	. . . [N: at the end terminals, e.g. buffer space]
H04L47/72B:	. . . [N: involving intermediate nodes, e.g. RSVP]
H04L47/72C:	. . . [N: over a plurality of alternate paths, e.g. for load balancing]
H04L47/72C1:	. . . . [N: for backup paths]
H04L47/74:	. . [N: Reactions to resource unavailability]
H04L47/74A:	. . . [N: Holding a request until resources become available]
H04L47/74B:	. . . [N: Reaction at the end points]
H04L47/74C:	. . . [N: Reaction in network]
H04L47/74D:	. . . [N: Reaction triggered by a failure]
H04L47/74E:	. . . [N: Negotiation of resources, e.g. modification of a request]
H04L47/76:	. . [N: Reallocation of resources, renegotiation of resources, e.g. in-call]
H04L47/76A:	. . . [N: triggered by the network]
H04L47/76B:	. . . [N: triggered by the end-points]
H04L47/76B1:	. . . . [N: after changing the attachment point, e.g. after hand-off]
H04L47/78:	. . [N: Resource allocation architecture]
H04L47/78A:	. . . [N: Centralized allocation of resource]
H04L47/78B:	. . . [N: Hierarchical allocation of resource, e.g. involving a hierarchy of local and centralized entities]
H04L47/78C:	. . . [N: Distributed allocation of resources, e.g. bandwidth brokers]
H04L47/78C1:	. . . . [N: Involving several network domains, e.g. multilateral agreements]
H04L47/78C1A:	. . . . . [N: Mapping reservation between domains]
H04L47/78C2:	. . . . [N: Bandwidth trade among domains]
H04L47/78D:	. . . [N: Autonomous allocation of resources]
H04L47/80:	. . [N: Actions related to the nature of the flow or the user]
H04L47/80A:	. . . [N: Real time traffic]
H04L47/80B:	. . . [N: Application aware]
H04L47/80C:	. . . [N: QOS or priority aware]
H04L47/80D:	. . . [N: Broadcast or multicast traffic]
H04L47/80E:	. . . [N: User-type aware]
H04L47/82:	. . [N: Miscellaneous aspects]
H04L47/82A:	. . . [N: Prioritising resource allocation or reservation requests]
H04L47/82B:	. . . [N: Collecting or measuring resource availability data]
H04L47/82C:	. . . [N: Prediction of resource usage]
H04L47/82D:	. . . [N: Applicable to portable or mobile terminals]
H04L47/82E:	. . . [N: Involving tunnels, e.g. MPLS]
H04L47/82F:	. . . [N: Involving periods of time]
H04L47/82G:	. . . [N: Aggregation of resource allocation or reservation requests]
H04L47/82H:	. . . [N: Allocation of resources per group of connections, e.g. per group of users]
H04L47/82J:	. . . [N: Topology based]
H04L49/00:	Packet switching elements selecting arrangements for multiplex arrangements using optical switching H04Q11/00P
H04L49/10:	. [N: Switching fabric construction ]
H04L49/10A:	. . [N: Crossbar or matrix]
H04L49/10C:	. . [N: using shared medium, e.g. bus or ring) ]
H04L49/10E:	. . [N: using shared central buffer, shared memory, e.g. time switching ]
H04L49/10F:	. . [N: ATM switching fabrics]
H04L49/10F1:	. . . [N: ATM switching elements]
H04L49/10F1A:	. . . . [N: using space switching , e.g. crossbar or matrix ]
H04L49/10F1C:	. . . . [N: using shared medium]
H04L49/10F1D:	. . . . [N: using shared central buffer ]
H04L49/10H:	. . [N: integrated on microchip, e.g. switch-on-chip]
H04L49/15:	. [N: Interconnection of switching modules ]
H04L49/15A:	. . [N: Distribute and route fabrics, e.g. sorting-routing or Batcher-Banyan]
H04L49/15C:	. . [N: Non-blocking multistage, e.g. Clos]
H04L49/15C1:	. . . [N: Parallel switch fabric planes]
H04L49/15C1A:	. . . . [N: ATM switching fabrics having parallel switch planes ]
H04L49/15C1A1:	. . . . . [N: Cell slicing]
H04L49/15C3:	. . . [N: Pipelined operation]
H04L49/15E:	. . [N: Interconnection of ATM switching modules, e.g. ATM switching fabrics]
H04L49/15E1:	. . . [N: Distribute and route fabrics, e.g. Batcher-Banyan]
H04L49/15E3:	. . . [N: Clos switching fabrics]
H04L49/15E5:	. . . [N: Crossbar or matrix]
H04L49/15E7:	. . . [N: Full Mesh, e.g. knockout]
H04L49/15E9:	. . . [N: Perfect Shuffle]
H04L49/20:	. [N: Support for services or operations]
H04L49/20A:	. . [N: Multicast or broadcast]
H04L49/20A1:	. . . [N: ATM switching fabrics with multicast or broadcast capabilities]
H04L49/20C:	. . [N: Quality of Service based]
H04L49/20C1:	. . . [N: Real Time traffic ]
H04L49/20E:	. . [N: Port mirroring]
H04L49/25:	. [N: Routing or path finding through a switch fabric]
H04L49/25A:	. . [N: Cut-through or wormhole routing ]
H04L49/25C:	. . [N: Store and forward routing]
H04L49/25E:	. . [N: Connections establishment or release between ports ]
H04L49/25E1:	. . . [N: Centralized controller, i.e. arbitration or scheduling ]
H04L49/25E3:	. . . [N: Control mechanisms for ATM switching fabrics ]
H04L49/25F:	. . [N: Routing or path finding in ATM switching fabrics]
H04L49/25F1:	. . . [N: Cut-through or wormhole routing]
H04L49/25F3:	. . . [N: Grouping]
H04L49/30:	. [N: Peripheral units, e.g. input or output ports]
H04L49/30A:	. . [N: Header conversion, routing tables or routing tags]
H04L49/30B:	. . [N: Input queuing ]
H04L49/30C:	. . [N: Output queuing]
H04L49/30D:	. . [N: Shared queuing]
H04L49/30E:	. . [N: Virtual queuing ]
H04L49/30F:	. . [N: Auto-negotiation, e.g. access control between switch gigabit interface connector [GBIC] and link ]
H04L49/30G:	. . [N: Pipelined operation]
H04L49/30H:	. . [N: Packet splitting ]
H04L49/30J:	. . [N: ATM peripheral units, e.g. policing, insertion or extraction]
H04L49/30J1:	. . . [N: Header conversion, routing tables or routing tags]
H04L49/35:	. [N: Application specific switches]
H04L49/35A:	. . [N: LAN switches, e.g. ethernet switches ]
H04L49/35A1:	. . . [N: Gigabit ethernet switching [GBPS] ]
H04L49/35C:	. . [N: Support for fire wire switches, i.e. according to IEEE 1394]
H04L49/35D:	. . [N: Support for virtual LAN, VLAN tagging or multiple registration e.g. according to IEEE 802.1q]
H04L49/35F:	. . [N: Application aware switches, e.g. HTTP]
H04L49/35H:	. . [N: Storage area network switches ]
H04L49/35H2:	. . . [N: Fibre channel switches]
H04L49/35H4:	. . . [N: Infiniband Switches]
H04L49/40:	. [N: Physical details, e.g. power supply, mechanical construction or backplane ]
H04L49/40A:	. . [N: Physical details, e.g. power supply, mechanical construction or backplane of ATM switches ]
H04L49/45:	. [N: Provisions for supporting expansion ]
H04L49/45A:	. . [N: Provisions for supporting expansion in ATM switches]
H04L49/50:	. [N: Overload detection; Overload protection]
H04L49/50A:	. . [N: Overload detection]
H04L49/50A1:	. . . [N: Policing]
H04L49/50C:	. . [N: Corrective Measures, e.g. backpressure]
H04L49/50C2:	. . . [N: Backpressure ]
H04L49/50C4:	. . . [N: Head of Line Blocking Avoidance]
H04L49/55:	. [N: Error prevention, detection or correction]
H04L49/55A:	. . [N: Error prevention, e.g. sequence integrity of packets redundant connections through the switch fabric]
H04L49/55C:	. . [N: Error detection]
H04L49/55E:	. . [N: Error correction, e.g. fault recovery or fault tolerance ]
H04L49/60:	. [N: Hybrid or multiprotocol packet, ATM or frame switches]
H04L49/60A:	. . [N: Multilayer or multiprotocol switching, e.g. IP switching ]
H04L49/60C:	. . [N: Hybrid IP/Ethernet switches]
H04L49/60E:	. . [N: Hybrid ATM switches, e.g. ATM&STM, ATM&Frame Relay or ATM&IP]
H04L49/60G:	. . [N: ATM switches adapted to switch variable length packets, e.g. IP packets]
H04L49/65:	. [N: Fast packet switch re-configuration ]
H04L49/70:	. Virtual switches
H04L49/90:	. [N: Queuing arrangements]
H04L49/90A:	. . [N: Dynamic buffer space allocation]
H04L49/90C:	. . [N: Storage descriptor, e.g. read or write pointers]
H04L49/90C1:	. . . [N: for supporting a linked list]
H04L49/90E:	. . [N: Plurality of buffers per packet]
H04L49/90G:	. . [N: Single buffer per packet]
H04L49/90H:	. . [N: Wraparound memory, e.g. overrun or underrun detection]
H04L49/90J:	. . [N: Common buffer combined with individual queues]
H04L49/90K:	. . [N: Separate storage for different parts of the packet, e.g. header and payload]
H04L49/90M:	. . [N: Buffer pool]
H04L49/90M1:	. . . [N: with buffers of different sizes]
H04L49/90P:	. . [N: Arrangements for supporting packet reassembly or resequencing]
H04L49/90Q:	. . [N: Intermediate storage in different physical parts of a node or terminal]
H04L49/90Q1:	. . . [N: in the network interface card]
H04L49/90Q1A:	. . . . [N: Early interruption upon arrival of a fraction of a packet]
H04L49/90Q3:	. . . [N: using an external memory or storage device]
H04L49/90R:	. . [N: Reactions to storage capacity overflow]
H04L49/90R1:	. . . [N: replacing packets in a storage arrangement, e.g. pushout]
H04L49/90S:	. . [N: Arrangements for simultaneous transmit and receive, e.g. simultaneous reading/writing from/to the storage element]
H04L51/00:	Arrangements for user-to-user messaging in packet-switching networks, e.g. e-mail or instant messages
H04L51/02:	. [N: with automatic reactions or user delegation, e.g. automatic replies or chatbot ]
H04L51/04:	. [N: Real-time or near real-time messaging, e.g. instant messaging [IM] (network arrangements or protocols for real-time communications H04L65/00) ]
H04L51/04A:	. . [N: use or manipulation of presence information in messaging (presence management H04L67/24 )
H04L51/04B:	. . [N: interacting with other applications or services ]
H04L51/06:	. [N: Message adaptation based on network or terminal capabilities (networked arrangements for intermediate processing of conversion or adaptation of application content or format H04L67/28F)]
H04L51/06A:	. . [N: with adaptation of content ]
H04L51/06B:	. . [N: with adaptation of format ]
H04L51/08:	. [N: Messages including annexed information, e.g. attachments ]
H04L51/10:	. [N: Messages including multimedia information (network arrangements or protocols for real-time communication H04L65/00; voice messaging in telephonic communication using automatic or semi-automatic exchanges with non-audio components H04M3/53M) ]
H04L51/12:	. [N: with filtering and selective blocking capabilities]
H04L51/14:	. [N: with selective forwarding]
H04L51/16:	. [N: including conversation history, e.g. threads]
H04L51/18:	. [N: Messages including commands or codes to be executed either at an intermediate node or at the recipient to perform message-related actions (computer aided management of electronic mail G06Q10/10; networked applications for remote control or remote monitoring of the application H04L67/02A; networked applications involving the movement of software or configuration parameters H04L67/34]
H04L51/20:	. [N: Messaging using geographical location information (protocols for adapting network applications to user terminal location H04L67/18; services specially adapted for wireless communication networks making use of the location of users or terminals H04W4/02 )
H04L51/22:	. [N: Mailbox-related details (computer aided management of electronic mail G06Q10/10)]
H04L51/24:	. [N: with notification on incoming messages ]
H04L51/26:	. [N: Prioritized messaging (networked applications for intermediate processing whereby quality of service or priority requirements are taken into account H04L67/32Q)]
H04L51/28:	. [N: Details regarding addressing issues (arrangements and protocols for addressing and naming H04L61/00)]
H04L51/30:	. [N: with reliability check, e.g. acknowledgments or fault reporting]
H04L51/32:	. [N: Messaging within social networks]
H04L51/34:	. [N: with provisions for tracking the progress of a message]
H04L51/36:	. [N: Unified messaging, e.g. interactions between instant messaging, e-mail or other types of messages such as converged IP messaging [CPM]
H04L51/38:	. [N: in combination with wireless systems (mobile application service signalling using messaging, e.g. SMS, H04W4/12 )]
H04L61/00:	Network arrangements or network protocols for addressing or naming
H04L61/10:	. [N: Mapping of addresses of different types; Address resolution]
H04L61/10A:	. . [N: across network layers, e.g. resolution of network layer into physical layer addresses or address resolution protocol [ARP]]
H04L61/10B:	. . [N: across networks, e.g. mapping telephone numbers to data network addresses]
H04L61/15:	. [N: Directories; Name-to-address mapping (telephone directories in user terminals H04M1/27)]
H04L61/15A:	. . [N: involving standard directories or standard directory access protocols]
H04L61/15A1:	. . . [N: using domain name system [DNS]]
H04L61/15A2:	. . . [N: using open systems interconnection [OSI] directories, i.e. X.500]
H04L61/15A3:	. . . [N: using lightweight directory access protocol [LDAP]]
H04L61/15A4:	. . . [N: using voice over internet protocol [VoIP] directories, e.g. session initiation protocol [SIP] registrar or H.323 gatekeeper (SIP for real-time communications H04L65/10H2)]
H04L61/15B:	. . [N: using an address exchange platform which sets up a session between two nodes, e.g. "rendezvous" server (address exchange for voice over internet protocol [VoIP] H04L61/15A4)]
H04L61/15C:	. . [N: for service discovery (network applications for service discovery H04L67/16; discovery of network devices in wireless communication networks H04W8/00D)]
H04L61/15D:	. . [N: for personal communications, i.e. using a personal identifier]
H04L61/15E:	. . [N: Mechanisms for table lookup, e.g. between directories; Directory data structures; Synchronization of directories (information retrieval in file systems G06F17/30F; information retrieval in structured data stores G06F17/30S)]
H04L61/15F:	. . [N: Object oriented directories, e.g. common object request broker architecture [CORBA] name server]
H04L61/15G:	. . [N: Directories for electronic mail or instant messaging (message switching systems per se H04L12/58)]
H04L61/15H:	. . [N: Directories for hybrid networks, e.g. including telephone numbers]
H04L61/15I:	. . [N: Metadirectories, i.e. all encompassing global directory which interfaces to various underlying directories]
H04L61/15J:	. . [N: containing identifiers of data entities on a computer, e.g. file names]
H04L61/15K:	. . [N: containing mobile subscriber information, e.g. home subscriber server [HSS]]
H04L61/15L:	. . [N: Address books, i.e. directories containing contact information about correspondents, e.g. on a user device (directories providing the best way to reach a correspondent H04L61/15D) ]
H04L61/20:	. [N: Address allocation (configuration management of network or network elements H04L12/24E)]
H04L61/20A:	. . [N: internet protocol [IP] addresses]
H04L61/20A1:	. . . [N: using the dynamic host configuration protocol [DHCP] or variants]
H04L61/20A2:	. . . [N: using the bootstrap protocol [BOOTP] or variants]
H04L61/20A3:	. . . [N: using an authentication, authorization and accounting [AAA] protocol, e.g. remote authentication dial-in user service [RADIUS] or diameter (supporting authentication of entities communicating through a packet data network H04L63/08; cryptographic mechanisms or cryptographic arrangements for entity authentication H04L9/32)]
H04L61/20B:	. . [N: for local use, e.g. on local area networks [LAN] or on universal serial bus [USB] networks (bus addresses inside a computer G06F13/42)]
H04L61/20C:	. . [N: involving the solving of address allocation conflicts or involving testing of addresses]
H04L61/20D:	. . [N: involving timing or renewal aspects]
H04L61/20E:	. . [N: involving aspects of pools of addresses, e.g. assignment of different pools of addresses to different dynamic host configuration protocol [DHCP] servers]
H04L61/20F:	. . [N: for group-, multicast- and broadcast-communication (broadcast or conference H04L12/18)]
H04L61/20G:	. . [N: involving update or notification mechanisms, e.g. update of a domain name server with dynamic host configuration protocol [DHCP] assigned addresses]
H04L61/20H:	. . [N: involving portability aspects (network addressing or numbering for mobility support H04W8/26; wireless network layer protocols, e.g. mobile IP H04W80/04)]
H04L61/20I:	. . [N: by self assignment, e.g. pick address randomly and test if already in use]
H04L61/25:	. [N: mapping of addresses of the same type; address translation (arrangements for maintenance or administration involving network analysis H04L12/24C)]
H04L61/25A:	. . [N: Internet protocol [IP] address translation]
H04L61/25A1:	. . . [N: translating between special types of IP addresses]
H04L61/25A1A:	. . . . [N: between different IP versions]
H04L61/25A1B:	. . . . [N: between local and global IP addresses]
H04L61/25A1C:	. . . . [N: involving port numbers]
H04L61/25A2:	. . . [N: Special translation architecture, i.e. being different from a single network address translation [NAT] server]
H04L61/25A2A:	. . . . [N: Translation at a client]
H04L61/25A2B:	. . . . [N: Translation at a proxy]
H04L61/25A2C:	. . . . [N: Clique of NAT servers]
H04L61/25A2D:	. . . . [N: Multiple local networks, e.g. resolving potential IP address conflicts]
H04L61/25A3:	. . . [N: for hiding addresses or keeping them anonymous]
H04L61/25A4:	. . . [N: involving dual-stack hosts]
H04L61/25A5:	. . . [N: Mechanisms for avoiding unnecessary translation]
H04L61/25A6:	. . . [N: Map-table maintenance and indexing]
H04L61/25A6A:	. . . . [N: Binding renewal aspects; Keep-alive messages]
H04L61/25A7:	. . . [N: Translation policies and rules]
H04L61/25A8:	. . . [N: Network address translation [NAT] traversal]
H04L61/25A8A:	. . . . [N: for a higher-layer protocol, e.g. for session initiation protocol [SIP] (SIP for real-time communications H04L65/10H2)]
H04L61/25A8B:	. . . . [N: for reachability, e.g. inquiring the address of a correspondent behind a NAT server]
H04L61/25A8C:	. . . . [N: for identification, e.g. for authentication or billing (charging arrangements H04L12/14)]
H04L61/25A8D:	. . . . [N: using address mapping retrieval, e.g. simple traversal of user datagram protocol through NAT [STUN]]
H04L61/25A8E:	. . . . [N: transparent to the NAT server]
H04L61/25A8F:	. . . . [N: through control of the NAT server, e.g. using universal plug and play [UPnP]]
H04L61/25A8G:	. . . . [N: through application level gateway [ALG]]
H04L61/25A8H:	. . . . [N: over a relay server, e.g. traversal using relay NAT [TURN]]
H04L61/25A9:	. . . . [N: involving tunnelling or encapsulation (protecting information from access by third parties H04L63/04)]
H04L61/25B:	. . [N: Non - internet protocol [IP] address translation]
H04L61/30:	. [N: Arrangements for managing names, e.g. use of aliases or nicknames (retrieval from the Internet by using information identifiers, e.g. uniform resource locators [URLs] G06F17/20W5; name-to-address mapping H04L61/15)]
H04L61/30A:	. . [N: Mechanisms for avoiding name conflicts]
H04L61/30C:	. . [N: Name conversion]
H04L61/30R:	. . [N: Name registration, generation or assignment]
H04L61/30R1:	. . . [N: Administrative registration, e.g. for domain names at internet corporation for assigned names and numbers [ICANN] (data processing specially adapted for administration or management G06Q10/00)]
H04L61/30R2:	. . . [N: Domain name generation or assignment]
H04L61/30S:	. . [N: Name structure]
H04L61/30S1:	. . . [N: containing non-Latin characters, e.g. Chinese domain names]
H04L61/30S2:	. . . [N: containing protocol addresses or telephone numbers (address type involved H04L61/60D)]
H04L61/30S3:	. . . [N: containing wildcard characters]
H04L61/30S4:	. . . [N: containing special prefixes]
H04L61/30S5:	. . . [N: containing special suffixes]
H04L61/30T:	. . [N: Name types]
H04L61/30T1:	. . . [N: Application layer names, e.g. buddy name, unstructured name chosen by a user or home appliance name]
H04L61/30T2:	. . . [N: E-mail addresses (message switching systems H04L12/58)]
H04L61/30T4:	. . . [N: Access point names [APN], i.e. name of a gateway general packet radio service support node [GGSN] connecting a mobile user to a packet data network [PDN]]
H04L61/30T5:	. . . [N: Telephone uniform resource identifier [URI]]
H04L61/30T6:	. . . [N: Session initiation protocol [SIP] uniform resource identifier [URI]]
H04L61/30T7:	. . . [N: Globally routable user-agent [GRUU] uniform resource identifier [URI] for the session initiation protocol [SIP]]
H04L61/30T8:	. . . [N: Internet protocol multimedia private identity [IMPI] or internet protocol multimedia public identity [IMPU]]
H04L61/35:	. [N: involving non-standard use of addresses for implementing network functionalities, e.g. coding subscription information within the address or functional addressing, i.e. assigning an address to a function]
H04L61/60:	. [N: Details]
H04L61/60A:	. . [N: Structures or formats of addresses]
H04L61/60B:	. . [N: Caching of addresses (caching data temporarily at an intermediate stage in general H04L67/28S)]
H04L61/60C:	. . [N: Proxying of addresses]
H04L61/60D:	. . [N: Address types ]
H04L61/60D11:	. . . [N: Layer 2 addresses, e.g. medium access control [MAC] addresses]
H04L61/60D12:	. . . [N: Control area network [CAN] identifiers (vehicle networks B60R16/03M)]
H04L61/60D13:	. . . [N: Small computer system interface [SCSI] addresses]
H04L61/60D14:	. . . [N: IEEE1394 identification numbers]
H04L61/60D15:	. . . [N: Asynchronous transfer mode [ATM] addresses]
H04L61/60D16:	. . . [N: Fibre channel identifiers]
H04L61/60D30:	. . . [N: Telephone numbers]
H04L61/60D40:	. . . [N: International mobile subscriber identity [IMSI] numbers]
H04L61/60D50:	. . . [N: Internet protocol version 6 [IPv6] addresses]
H04L61/60D60:	. . . [N: Transport layer addresses, e.g. aspects of transmission control protocol [TCP] or user datagram protocol [UDP] ports (TCP/IP or UDP protocol aspects or techniques H04L69/16)]
H04L61/60F:	. . [N: Internet protocol [IP] addresses subnets]
H04L61/60G:	. . [N: Short addresses ]
H04L61/60H:	. . [N: Multiple interfaces, e.g. multihomed nodes]
H04L61/60I:	. . [N: involving addresses for wireless personal area networks and wireless sensor networks, e.g. Zigbee addresses (network addressing or numbering for mobility support H04W8/26)]
H04L61/60J:	. . [N: involving dual-stack hosts, e.g. in internet protocol version 4 [IPv4]/ internet protocol version 6 [IPv6] networks (implementation details of transmission control protocol [TCP]/internet protocol [IP] or user datagram protocol [UDP]/internet protocol [IP] stack architecture H04L69/16A)]
H04L61/60K:	. . [N: involving geographic information, e.g. room number]
H04L61/60L:	. . [N: involving masks or ranges of addresses]
H04L63/00:	Network architectures or network communication protocols for network security cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00; network architectures or network communication protocols for wireless network security H04W12/00; security arrangements for protecting computers or computer systems against unauthorised activity G06F21/00
H04L63/02:	. [N: for separating internal from external traffic, e.g. firewalls]
H04L63/02A:	. . [N: Architectural arrangements, e.g. perimeter networks or demilitarized zones]
H04L63/02A1:	. . . [N: Distributed architectures, e.g. distributed firewalls]
H04L63/02B:	. . [N: Filtering policies (mail message filtering H04L12/58F)]
H04L63/02B1:	. . . [N: Filtering by address, protocol, port number or service, e.g. IP-address or URL]
H04L63/02B2:	. . . [N: Filtering by information in the payload]
H04L63/02B4:	. . . [N: Stateful filtering]
H04L63/02B6:	. . . [N: Rule management]
H04L63/02C:	. . [N: Virtual private networks]
H04L63/02D:	. . [N: Proxies]
H04L63/02E:	. . [N: Firewall traversal, e.g. tunnelling or, creating pinholes]
H04L63/04:	. [N: for providing a confidential data exchange among entities communicating through data packet networks]
H04L63/04A:	. . [N: wherein the identity of one or more communicating identities is hidden (cryptographic mechanisms or cryptographic arrangements for anonymous credentials or for identity based cryptographic systems H04L9/00)]
H04L63/04A2:	. . . [N: during transmission, i.e. party's identity is protected against eavesdropping, e.g. by using temporary identifiers, but is known to the other party or parties involved in the communication]
H04L63/04A4:	. . . [N: Anonymous communication, i.e. the party's identifiers are hidden from the other party or parties, e.g. using an anonymizer ]
H04L63/04B:	. . [N: wherein the data content is protected e.g. by encrypting or encapsulating the payload]
H04L63/04B1:	. . . [N: wherein the sending and receiving network entities apply symmetric encryption, i.e. same key used for encryption and decryption (cryptographic mechanisms or cryptographic arrangements for symmetric key encryption H04L9/06)]
H04L63/04B10:	. . . [N: applying encryption by an intermediary, e.g. receiving clear information at the intermediary and encrypting the received information at the intermediary before forwarding]
H04L63/04B12:	. . . [N: applying multiple layers of encryption, e.g. nested tunnels or encrypting the content with a first key and then with at least a second key (cryptographic mechanisms or cryptographic arrangements using a plurality of keys or algorithms H04L9/14)]
H04L63/04B14:	. . . [N: Networking architectures for enhanced packet encryption processing, e.g. offloading of IPsec packet processing or efficient security association look-up]
H04L63/04B16:	. . . [N: by using a location-limited connection, e.g. near-field communication or limited proximity of entities]
H04L63/04B2:	. . . [N: wherein the sending and receiving network entities apply asymmetric encryption, i.e. different keys for encryption and decryption (cryptographic mechanisms or cryptographic arrangements for public-key encryption H04L9/30)]
H04L63/04B4:	. . . [N: wherein the sending and receiving network entities apply hybrid encryption, i.e. combination of symmetric and asymmetric encryption (cryptographic mechanisms or cryptographic arrangements using a plurality of keys or algorithms H0L9/14)]
H04L63/04B6:	. . . [N: wherein the sending and receiving network entities apply dynamic encryption, e.g. stream encryption (cryptographic mechanisms or cryptographic arrangements for stream encryption H04L9/06M)]
H04L63/04B8:	. . . [N: using hop-by-hop encryption, i.e. wherein an intermediate entity decrypts the information and re-encrypts it before forwarding it]
H04L63/06:	. [N: for supporting key management in a packet data network (cryptographic mechanisms or cryptographic arrangements for key management H04L9/08)]
H04L63/06A:	. . [N: for key exchange, e.g. in peer-to-peer networks (cryptographic mechanisms or cryptographic arrangements for key agreement H04L9/08F4)]
H04L63/06B:	. . [N: for key distribution, e.g. centrally by trusted party (cryptographic mechanisms or cryptographic arrangements for key distribution involving a central third party H04L9/08F2)]
H04L63/06B1:	. . . [N: Hierarchical key distribution, e.g. by multi-tier trusted parties]
H04L63/06C:	. . [N: for group communications (cryptographic mechanisms or cryptographic arrangements for key management involving conference or group key H04L9/08F2H2)]
H04L63/06D:	. . [N: using one-time keys (cryptographic mechanisms or cryptographic arrangements for generation of one-time passwords H04L9/08H2)]
H04L63/06E:	. . [N: using time-dependent keys, e.g. periodically changing keys (cryptographic mechanisms or cryptographic arrangements for controlling usage of secret information H04L9/08M)]
H04L63/08:	. [N: for supporting authentication of entities communicating through a packet data network (cryptographic mechanisms or cryptographic arrangements for entity authentication H04L9/32)]
H04L63/08A:	. . [N: using tickets, e.g. Kerberos (cryptographic mechanisms or cryptographic arrangements for entity authentication using tickets or tokens H04L9/32D2)]
H04L63/08B:	. . [N: providing single-sign-on or federations]
H04L63/08C:	. . [N: using certificates (cryptographic mechanisms or cryptographic arrangements for entity authentication involving certificates H04L9/32Q)]
H04L63/08D:	. . [N: using passwords (cryptographic mechanisms or cryptographic arrangements for entity authentication using a predetermined code H04L9/32J)]
H04L63/08D1:	. . . [N: using one-time-passwords]
H04L63/08D2:	. . . [N: using time-dependent-passwords, e.g. periodically changing passwords]
H04L63/08E:	. . [N: using an additional device, e.g. smartcard, SIM or a different communication terminal (cryptographic mechanisms or cryptographic arrangements for entity authentication involving additional secure or trusted devices H04L9/32K)]
H04L63/08F:	. . [N: using biometrical features, e.g. fingerprint, retina-scan (cryptographic mechanisms or cryptographic arrangements for entity authentication using biological data H04L9/32J4)]
H04L63/08G:	. . [N: for achieving mutual authentication (cryptographic mechanisms or cryptographic arrangements for mutual authentication H04L9/32R2)]
H04L63/08H:	. . [N: based on the identity of the terminal or configuration, e.g. MAC address, hardware or software configuration or device fingerprint]
H04L63/08J:	. . [N: by delegation of authentication, e.g. a proxy authenticates an entity to be authenticated on behalf of this entity vis-?-vis an authentication entity]
H04L63/08K:	. . [N: by using authentication-authorization-accounting [AAA] servers or protocols]
H04L63/10:	. [N: for controlling access to network resources (restricting network management access H04L12/24G)]
H04L63/10A:	. . [N: Access control lists (ACL)]
H04L63/10B:	. . [N: Entity profiles]
H04L63/10C:	. . [N: Grouping of entities]
H04L63/10D:	. . [N: Multiple levels of security]
H04L63/10E:	. . [N: wherein the security policies are location-dependent, e.g. entities privileges depend on current location or allowing specific operations only from locally connected terminals]
H04L63/10F:	. . [N: when the policy decisions are valid for a limited amount of time]
H04L63/12:	. [N: Applying verification of the received information(cryptographic mechanisms or cryptographic arrangements for data integrity or data verification H04L9/32)]
H04L63/12A:	. . [N: received data contents, e.g. message integrity]
H04L63/12B:	. . [N: the source of the received data]
H04L63/14:	. [N: for detecting or protecting against malicious traffic]
H04L63/14A:	. . [N: by monitoring network traffic (monitoring network traffic per se H04L12/26M]
H04L63/14A1:	. . . [N: Event detection, e.g. attack signature detection]
H04L63/14A2:	. . . [N: Traffic logging, e.g. anomaly detection]
H04L63/14C:	. . [N: Vulnerability analysis]
H04L63/14D:	. . [N: Countermeasures against malicious traffic (countermeasures against attacks on cryptographic mechanisms H04L9/00K)]
H04L63/14D1:	. . . [N: the attack involving the propagation of malware through the network, e.g. viruses, trojans or worms]
H04L63/14D10:	. . . [N: using deception as countermeasure, e.g. honeypots, honeynets, decoys or entrapment]
H04L63/14D2:	. . . [N: Denial of Service]
H04L63/14D4:	. . . [N: Active attacks involving interception, injection, modification, spoofing of data unit addresses, e.g. hijacking, packet injection or TCP sequence number attacks]
H04L63/14D6:	. . . [N: Passive attacks, e.g. eavesdropping or listening without modification of the traffic monitored]
H04L63/14D8:	. . . [N: service impersonation, e.g. phishing, pharming or web spoofing (detection of rogue wireless access points H04W12/12) ]
H04L63/16:	. [N: Implementing security features at a particular protocol layer]
H04L63/16B:	. . [N: at the data link layer]
H04L63/16C:	. . [N: at the network layer]
H04L63/16D:	. . [N: at the transport layer]
H04L63/16G:	. . [N: above the transport layer]
H04L63/18:	. [N: using different networks or paths for security, e.g. using out of band channels (cryptographic mechanisms or cryptographic arrangements for key distribution involving distinctive intermediate devices or communication paths H04L9/08F2F; cryptographic mechanisms or cryptographic arrangements for authentication using a plurality of channels H04L9/32F)]
H04L63/20:	. [N: for managing network security; network security policies in general (filtering policies H04L63/02B)]
H04L63/20A:	. . [N: involving negotiation or determination of the one or more network security mechanisms to be used, e.g. by negotiation between the client and the server or between peers or by selection according to the capabilities of the entities involved (negotiation of communication capabilities H04L69/24)]
H04L63/30:	. [N: for supporting lawful interception, monitoring or retaining of communications or communication related information (circuit switched telephony call monitoring H04M3/22T)]
H04L63/30A:	. . [N: gathering intelligence information for situation awareness or reconnaissance]
H04L63/30B:	. . [N: intercepting circuit switched data communications (lawful interception of wireless network communications H04W12/02)]
H04L63/30C:	. . [N: intercepting packet switched data communications, e.g. Web, Internet or IMS communications]
H04L63/30D:	. . [N: retaining data, e.g. retaining successful, unsuccessful communication attempts, internet access, or e-mail, internet telephony, intercept related information or call content]
H04L65/00:	Network arrangements or protocols for real-time communications computer conference H04L12/18D; real time or near real time messaging in message switching systems e.g. instant messaging H04L12/58B; television systems H04N7/00; selective video distribution H04N21; interconnection arrangements between switching centres for working between exchanges having different types of switching equipment where the types of switching equipment comprise PSTN/ISDN equipment and equipment of networks other than PSTN/ISDN H04M7/12H; systems providing special services to telephonic subscribers H04M3/42; network applications in general H04L67/00
H04L65/10:	. Signalling, control or architecture selecting or control in telephonic networks H04Q3/00; data network management H04L12/24; data network testing or monitoring H04L12/26; admission control or resource reservation in packet switching networks H04L12/56R; control signalling related to video distribution H04N21/63
H04L65/10H:	. . Signalling or session protocols
H04L65/10H2:	. . . SIP
H04L65/10H4:	. . . H.323
H04L65/10N:	. . Network architectures, gateways, control or user entities
H04L65/10N1:	. . . IMS (wireless communication networks H04W)
H04L65/10N2:	. . . Gateways arrangements for connecting between networks having differing types of switching systems, e.g. gateways H04L12/66
H04L65/10N2M:	. . . . Media gateways
H04L65/10N2M2:	. . . . . at the edge
H04L65/10N2M4:	. . . . . in the network
H04L65/10N2S:	. . . . Signalling gateways
H04L65/10N2S2:	. . . . . at the edge
H04L65/10N2S4:	. . . . . at the edge
H04L65/10N3:	. . . MGC, MGCP or Megaco decomposed PSTN/ISDN-IP gateways H04M7/12H10G
H04L65/10N4:	. . . Call controllers; Call servers
H04L65/10N5:	. . . Proxies, e.g. SIP proxies
H04L65/10N6:	. . . Arrangements providing PBX functionality, e.g. IP PBX circuit switched PBXs H04M3/42P; PBX networks H04M7/00P
H04L65/10N6M:	. . . . for multi-site
H04L65/10N7:	. . . End-user terminal functionality substation equipment for use by subscribers H04M1/00; terminal profiles H04L67/30T; terminal emulation H04L67/08; adaptation for terminals with limited resources or for terminal portability H04L67/04; management of video client characteristics H04N21/258, H04N21/45M1
H04L65/10N8:	. . . Application servers systems providing special services to telephonic subscribers H04M3/42
H04L65/10S:	. . Session control conducting a computer conference e.g. admission, detection, selection or grouping of participants, correlating users to one or more conference session or prioritising transmission H04L12/18D2; admission control/resource reservation in packet switching networks H04L12/56R
H04L65/10S1:	. . . Setup computer conference organisation arrangements, e.g. handling schedules, setting up parameters needed by nodes to attend a conference, booking network resources or notifying involved parties H04L12/18D1; session management in network applications H04L67/14; arrangements for peer-to-peer networking in network applications H04L67/10P; negotiation of communication capabilities H04L69/24; admission control or resource reservation in packet switching networks H04L12/56R
H04L65/10S2:	. . . Registration arrangements for addressing or naming in data networks H04L61/00
H04L65/10S3:	. . . Screening arrangements for screening incoming telephone calls H04M3/436; arrangements for network security H04L63
H04L65/10S3S:	. . . . of unsolicited session attempts, e.g. SPIT message switching systems, e.g. electronic mail systems, with filtering and selective blocking capabilities H04L12/58F
H04L65/10S4:	. . . In-session procedures computer conferences, network arrangements for conference optimisation or adaptation H04L12/18D3; reactions to resource unavailability in packet switching networks H04L12/56R3; reallocation or renegotiation of resources in packet switching networks H04L12/56R5
H04L65/10S4M:	. . . . session scope modification
H04L65/10S4M2:	. . . . . by adding or removing media
H04L65/10S4M4:	. . . . . by adding or removing participants
H04L65/10S5:	. . . Features, e.g. call-forwarding or call hold systems providing special services to telephonic subscribers H04M3/42
H04L65/40:	. Services or applications systems providing special services to telephonic subscribers H04M3/42; contact center services H04M3/51; information services comprising voice H04M3/487; network service management for ensuring proper service fulfilment H04L12/24S
H04L65/40A:	. . Services involving a main real-time session and one or more additional parallel sessions real time messaging, e.g. instant messaging, interacting with other applications or services H04L12/58B2; multichannel or multilink protocols H04L69/14; services and arrangements where telephone services are combined with data services H04M7/00D
H04L65/40A2:	. . . where at least one of the additional parallel sessions is real time or time sensitive, e.g. white board sharing, collaboration or spawning of a subconference telewriting, virtual reality or network gaming H04L67/38
H04L65/40A4:	. . . where none of the additional parallel sessions is real time or time sensitive, e.g. downloading a file in a parallel FTP session, initiating an email or combinational services file transfer H04L67/06; WEB based applications H04L67/02; message switching systems H04L12/58; instant messaging H04L12/58B
H04L65/40C:	. . Arrangements for multiparty communication, e.g. conference television conferencing systems H04N7/15; telephonic conference systems H04M3/56; data switching systems for computer conference H04L12/18D
H04L65/40C2:	. . . with central floor control data switching systems for conducting a computer conference, e.g. admission, detection, selection or grouping of participants H04L12/18D2
H04L65/40C4:	. . . with distributed floor control
H04L65/40C6:	. . . without floor control
H04L65/40P:	. . "Push-to-X" services push-to-talk services in wireless networks H04W4/10; connection management, e.g. connection set-up, manipulation or release for push-to-talk or push-on-call services in wireless communication networks H04W76/08A
H04L65/40S:	. . Services related to one way streaming
H04L65/40S2:	. . . Multicast or broadcast data switching systems for broadcast or conference H04L12/18; analog television systems in general H04N7/00; creating video channels for a dedicated end-user group H04N21/2668; arrangements for broadcast or distribution combined with broadcast H04H20/00; arrangements for broadcast applications with a direct linkage of broadcast information H04H60/00; arrangements for push based network services H04L67/26
H04L65/40S4:	. . . Content on demand analog television systems using two way working H04N7/173; end-user applications for requesting content, additional data or services H04N21/472
H04L65/40S6:	. . . Control of source by destination, e.g. user controlling streaming rate of server explicit feedback from the destination to the source to modify data rate for flow control or congestion control in packet switching networks, e.g. choke packet H04L12/56D17; end-to-end flow control in packet switching networks H04L12/56D8; analog television systems using two way working H04N7/173; control signals to video servers issued by video clients H04N21/6377
H04L65/60:	. Media handling, encoding, streaming or conversion
H04L65/60C:	. . Media manipulation, adaptation or conversion transmission of television signals using pulse code modulation H04N7/24; adaptation for terminals or networks with limited resources or for terminal portability H04L67/04; involving interrnediate processing or storage in the network H04L67/28; network application being adapted for the location of the user terminal H04L67/18; computer conferences, network arrangements for conference optimisation or adaptation H04L12/18D3; message switching systems, e.g. electronic mail systems, with message adaptation based on network or terminal capabilities H04L12/58C; flow control or congestion control in packet switching networks H04L12/56D
H04L65/60C2:	. . . at the source (reformatting of video signals in video distribution servers H04N21/2343; reformatting of additional data in video distribution servers H04N21/235R
H04L65/60C4:	. . . at the destination (reformatting of video signals in video clients H04N21/4402; reformatting of additional data in video clients H04N21/435R
H04L65/60C6:	. . . intermediate
H04L65/60E:	. . Stream encoding details interfacing the downstream path of a video distribution network H04N21/238, H04N21/438; controlling the complexity of a video stream H04N21/2662, H04N21/462Q, H04N21/647P1; protocols for data compression H04L69/04; header parsing or analysis H04L69/22
H04L65/60P:	. . Streaming protocols, e.g. RTP or RTCP
H04L65/80:	. QoS aspects traffic-type related flow control in packet switching networks, e.g. priorities or QoS H04L12/56D15; admission control/resource reservation in packet switching networks based on QoS or priority awareness H04L12/56R9C, monitoring arrangements, testing arrangements, with monitoring of QoS metrics H04L12/26M3; arrangements for scheduling or organising the servicing of requests whereby quality of service or priority requirements are taken into account H04L67/32Q; network service management, ensuring proper service fulfillment according to an agreement or contract between two parties, e.g. between an IT-provider and a customer H04L12/24S; adaptation for terminals or networks with limited resources, or for terminal portability H04L67/04; reducing the amount or size of exchanged application data H04L67/28L; network application adapted for the location of the user terminal H04L67/18; monitoring of the downstream path of a video distribution network H04N21/24D, H04N21/442D
H04L67/00:	Network-specific arrangements or communication protocols supporting networked applications message switching systems H04L51/00; network management protocols H04L41/00; routing or path finding of packets in data switching networks H04L45/00; protocols for real-time multimedia communication H04L65/00; information retrieval G06F17/30; services or facilities specially adapted for wireless communication networks H04W4/00; network structures or processes for video distribution between server and client or between remote clients H04N21/00; exchange systems providing special services or facilities to subscribers involving telephonic communications H04M3/42; distributed information systems G06F9/00, G06F17/00; lower layer network functionalities which support application layer provisions H04L12/00
H04L67/02:	. [N: involving the use of web-based technology, e.g. hyper text transfer protocol [HTTP] (information retrieval from the Internet G06F17/30W)]
H04L67/02A:	. . [N: for remote control or remote monitoring of the application (management of end-device applications over a special purpose or proprietor network H04L67/12M; network management using Internet technology H04L12/24A7; network monitoring H04L12/26M)]
H04L67/04:	. [N: adapted for terminals or networks with limited resources or for terminal portability, e.g. wireless application protocol [WAP] (services or facilities specially adapted for wireless communication networks H04W4)]
H04L67/06:	. [N: adapted for file transfer, e.g. file transfer protocol [FTP]]
H04L67/08:	. [N: adapted for terminal emulation, e.g. telnet (protocols for telewriting or protocols for networked simulations, virtual reality or games H04L67/38; emulation or software simulation G06F9/455)]
H04L67/10:	. [N: in which an application is distributed across nodes in the network (multiprogramming arrangements G06F9/46)]
H04L67/10A:	. . [N: for accessing one among a plurality of replicated servers, e.g. load balancing (arrangements or protocols for peer-to-peer networking H04L67/10P; protocols for client-server architectures H04L67/42; allocation of processing resources to service requests in a distributed system G06F9/50A6; rebalancing the processing load in a distributed system G06F9/50L; wireless network traffic load balancing H04W28/08; network load balancing, traffic engineering H04L12/56D2B; video servers using load balancing strategies H04N21/231B; error detection or correction of the data by redundancy in hardware G06F11/16)
H04L67/10A1:	. . . [N: Server selection in load balancing]
H04L67/10A11:	. . . [N: Reaction to server failures by a load balancer (techniques for recovering from a failure of a protocol instance or entity H04L69/40; departure or maintenance mechanisms in Peer-to-Peer networks H04L67/10P1A2; intermediate processing providing operational support to end devices by emulation or by off-loading in the network H04L67/28U; network fault restoration H04L12/24D3; error detection or correction of the data by redundancy in hardware G06F11/16; failing over workload from one server to another one G06F11/20P)]
H04L67/10A13:	. . . [N: Load balancing of requests to servers for services different from user content provisioning, e.g. load balancing to DNS servers or firewalls (internet service provider selection H04L12/56F)]
H04L67/10A15:	. . . [N: Load balancing arrangements to avoid a single path through a load balancer]
H04L67/10A1A:	. . . . [N: with static server selection, e.g. the same server being selected for a specific client (allocation of processing resources considering data affinity G06F9/50A6A)]
H04L67/10A1B:	. . . . [N: based on parameters of servers, e.g. available memory or workload (allocation of processing resources to a machine considering the load G06F9/50A6L)]
H04L67/10A1C:	. . . . [N: based on network conditions]
H04L67/10A1D:	. . . . [N: based on compliance of requirements or conditions with available server resources]
H04L67/10A1E:	. . . . [N: based on the content of a request]
H04L67/10A1F:	. . . . [N: based on a round robin mechanism]
H04L67/10A1G:	. . . . [N: based on random server selection]
H04L67/10A1H:	. . . . [N: based on client or server locations]
H04L67/10A1J:	. . . . [N: based on other criteria, e.g. hash applied to IP address, specific algorithms or cost]
H04L67/10A3:	. . . [N: dynamic adaptation of the criteria on which the server selection is based]
H04L67/10A5:	. . . [N: Persistence of sessions during load balancing]
H04L67/10A7:	. . . [N: using data related to the state of servers by a load balancer (server selection based on server parameters H04L67/10A1B; performance measurement for load balancing G06F11/34C6; information retrieval in structured data stores G06F17/30S)]
H04L67/10A9:	. . . [N: Controlling of the operation of servers by a load balancer, e.g. adding or removing servers that serve requests]
H04L67/10P:	. . [N: for peer-to-peer [P2P] networking; Functionalities or architectural details of P2P networks (file transfer, upload, download H04L67/06; accessing replicated servers H04L67/10A; presence management H04L67/24; scheduling provisions H04L67/32; real-time communications H04L65/00; information retrieval using distributed database systems G06F17/30N; small scale hierarchical wireless network topologies H04W84/10; wireless interfaces between terminal devices H04W92/18; P2P connections between video clients H04N21/63P; P2P connections between video game machines A63F13/12)]
H04L67/10P1:	. . . [N: involving topology management mechanisms]
H04L67/10P1A:	. . . . [N: Group management mechanisms (user group management in wireless communication networks H04W4/08; management of multicast group membership H04L12/18M; reconfiguring of node membership in a computing system to eliminate errors G06F11/14A8C4)]
H04L67/10P1A1:	. . . . . [N: Joining mechanisms]
H04L67/10P1A2:	. . . . . [N: Departure or maintenance mechanisms (methods for recovering from a failure of a protocol instance or entity H04L69/40; intermediate processing providing operational support to end devices by emulation or by off-loading in the network H04L67/28U; reactions to server failures by a load balancer H04L67/10A11; error detection or correction of the data by redundancy in operation G06F11/14)]
H04L67/10P1A4:	. . . . . [N: Group master selection mechanisms]
H04L67/10P1A5:	. . . . . [N: with pre-configuration of logical or physical connections with a determined number of other peers]
H04L67/10P1A5L:	. . . . . . [N: involving connection limits (involving dynamic management of active down- or uploading connections H04L67/10P3C3)]
H04L67/10P1A5T:	. . . . . . [N: involving pre-assessment of levels of reputation of peers]
H04L67/10P1B:	. . . . [N: Inter-group management mechanisms, e.g. splitting, merging or interconnection of groups]
H04L67/10P2:	. . . [N: involving node-based peer discovery mechanisms (access to replicated servers H04L67/10A; service discovery H04L67/16; topology discovery for routing H04L45/02; information retrieval in distributed file systems G06F17/30F; information retrieval in structured data stores, indexing, querying G06F17/30S)]
H04L67/10P2A:	. . . . [N: Discovery through centralizing entities]
H04L67/10P2B:	. . . . [N: Discovery involving distributed pre-established resource-based relationships among peers, e.g. based on distributed hash tables [DHT] (pre-configuration of logical or physical connections H04L67/10P1A5)]
H04L67/10P2C:	. . . . [N: Discovery involving direct consultation or announcement among potential requesting and potential source peers]
H04L67/10P2C1:	. . . . . [N: with limitation or expansion of the discovery scope ]
H04L67/10P2D:	. . . . [N: Discovery involving ranked list compilation of candidate peers]
H04L67/10P3:	. . . [N: for supporting resource transmission mechanisms (routing over an overlay routing layer H04L45/64; file transfer H04L67/06)]
H04L67/10P3A:	. . . . [N: Resource dissemination mechanisms or network resource keeping policies for optimal resource availability in the overlay network]
H04L67/10P3C:	. . . . [N: Resource delivery mechanisms]
H04L67/10P3C1:	. . . . . [N: characterized by resources being split in blocks or fragments]
H04L67/10P3C2:	. . . . . [N: involving incentive schemes]
H04L67/10P3C3:	. . . . . [N: involving dynamic management of active down- or uploading connections]
H04L67/10P8:	. . . [N: involving cross functional networking aspects]
H04L67/10P8A:	. . . . [N: Hierarchical topologies]
H04L67/10P8B:	. . . . [N: Interfacing with client-server systems or between P2P systems]
H04L67/10P8C:	. . . . [N: Some peer nodes performing special functions]
H04L67/10R:	. . [N: for supporting replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes or user terminals or syncML (synchronisation in information retrieval in file systems G06F17/30F; synchronisation in structured data stores G07F17/30S; mass storage redundancy by mirroring for error detection or correction of data G06F11/20S2)]
H04L67/10S:	. . [N: for distributed storage of data in a network, e.g. network file system [NFS], transport mechanisms for storage area networks [SAN] or network attached storage [NAS] (temporary storage of data at an intermediate stage H04L67/28S; dedicated interfaces to storage systems G06F3/06A)]
H04L67/12:	. [N: adapted for proprietary or special purpose networking environments, e.g. medical networks, sensor networks, networks in a car or remote metering networks (digital computing or data processing equipment or methods, specially adapted for specific applications in healthcare or life sciences G06F19/00; home automation networks H04L12/28H; total factory control characterised by the network communication G05B19/418N; games involving transmission systems A63F13/12)]
H04L67/12M:	. . [N: involving the control of end-device applications over a network (end-device control or monitoring using web-based technology H04L67/02A; network management of network elements H04L12/24)]
H04L67/14:	. [N: for session management (session control for real-time communications H04L65/10S; session initiation protocol H04L65/10H2; negotiation of communication capabilities H04L69/24; computer conference arrangements H04L12/18D; connection management in wireless networks H04W76/00; session management for telephonic communication and services H04M7/00; intertask communications in multiprogramming arrangements G06F9/54)]
H04L67/14A:	. . [N: provided for setup of an application session (session setup for real-time communications H04L65/10S1)]
H04L67/14B:	. . [N: provided for managing session state for stateless protocols; Signalling a session state; State transitions; Keeping-state mechanisms]
H04L67/14C:	. . [N: provided for session termination, e.g., event controlled end of session]
H04L67/14C1:	. . . [N: provided for avoiding end of session, e.g. keep-alive, heartbeats, resumption message, wake-up for inactive or interrupted session]
H04L67/14J:	. . [N: Markers provided for unambiguous identification of a particular session, e.g. session identifier, session cookie or URL-encoding (IP multimedia subsystem H04L65/10N1; cryptographic mechanisms for verifying the identity or authority of a user or a system, ID based authentication H04L9/32; cryptographic mechanisms for ID based key exchange H04L9/08)]
H04L67/14M:	. . [N: provided for signalling methods or particular messages providing extensions to IETF, ITU, ETSI or 3GPP protocols, e.g., additional proprietary messages, standard messages enhanced by additional header fields or standard messages being used for purposes other than originally intended]
H04L67/14T:	. . [N: provided for migration or transfer of sessions (in-session procedures in real-time communications H04L65/10S4; control or signalling for completing the hand-off in wireless networks H04W36/00P)]
H04L67/16:	. [N: Service discovery or service management, e.g. service location protocol [SLP] or Web services (address allocation to terminals or nodes connected to a network H04L61/30; mobile application services specially adapted for wireless communication networks H04W4/00; network service management for ensuring proper service fulfilment according to an agreement or contract between two parties H04L12/24S)]
H04L67/18:	. [N: in which the network application is adapted for the location of the user terminal (wireless application services making use of the location of users or terminals H04W4/02 takes precedence; location based Web retrieval G06F17/30W1S)]
H04L67/20:	. [N: involving third party service providers (e-commerce G06Q30/00)]
H04L67/22:	. [N: Tracking the activity of the user (recording of computer activity G06F11/34; network monitoring arrangements H04L12/26M; e-commerce G06Q30/00)]
H04L67/24:	. [N: Presence management (use and manipulation of presence information in instant messaging H04L12/58B1)]
H04L67/26:	. [N: Push based network services (broadcast or multicast push services H04L12/18P)]
H04L67/28:	. [N: for the provision of proxy services, e.g. intermediate processing or storage in the network (network management provisions H04L12/24; network monitoring provisions H04L12/26M; media manipulation, adaptation or conversion in real-time communications H04L65/60C; protocol conversion H04L69/08; proxies for network security H04L63/02D)]
H04L67/28A:	. . [N: for adding application control or application functional data, e.g. adding metadata]
H04L67/28B:	. . [N: for brokering (negotiation of communication capabilities H04L69/24; e-commerce G06Q30/00)]
H04L67/28D:	. . [N: for data redirection (load balancing of replicated servers H04L67/10A; access network selection H04L12/28P1A; routing or path finding of packets H04L45/00; content or context based routing H04L67/32Y; network addressing or naming provisions H04L61/00)]
H04L67/28E:	. . [N: Enhancement of application control based on intercepted application data]
H04L67/28F:	. . [N: for conversion or adaptation of application content or format (protocol conversion H04L69/08; media manipulation, adaptation or conversion in real-time communications H04L65/60C; message adaptation based on network or terminal capabilities H04L12/58C; optimising visualization of content for web browsing G06F17/30W9V)]
H04L67/28F1:	. . . [N: for reducing the amount or size of exchanged application data (protocols for data compression H04L69/04; digital video compression H04N7/26)]
H04L67/28G:	. . [N: for grouping or aggregating service requests, e.g. for unified processing of service requests (networking arrangements or communication protocols for scheduling or organising the servicing of application requests H04L67/32)]
H04L67/28I:	. . [N: for integrating service provisioning from a plurality of service providers (web site content organization and management G06F17/30W7)]
H04L67/28S:	. . [N: for storing data temporarily at an intermediate stage, e.g. caching (distributed storage of data in a network H04L67/10S; browsing optimization of access to content by caching G06F17/30W9C; addressing of a cache within a hierarchically structured memory system G06F12/08B; disk caching G06F12/08B12)]
H04L67/28S2:	. . . [N: involving pre-fetching or pre-delivering data based on network characteristics (cache prefetching within a hierarchical structured memory system G06F12/08B8)]
H04L67/28S4:	. . . [N: involving policies or rules for updating, deleting or replacing the stored data based on network characteristics (replacement control in memory systems G06F12/12)]
H04L67/28S6:	. . . [N: involving storage of data provided by user terminals, i.e. reverse caching]
H04L67/28U:	. . [N: for providing operational support to end devices by emulation, e.g. when they are unavailable, or by off-loading in the network (techniques for recovering from a failure of a protocol instance or entity H04L69/40; reactions to server failures by a load balancer H04L67/10A11; departure or maintenance mechanisms in peer-to-peer networks H04L67/10P1A2; terminal emulation H04L67/08; disconnected operation in file systems G06F17/30F; emulation or software simulation G06F9/455; input/output emulation function for peripheral devices G06F13/10E)]
H04L67/28X:	. . [N: Architectural aspects]
H04L67/28X1:	. . . [N: Implementation details of a single intermediate entity]
H04L67/28X2:	. . . [N: Pairs of interprocessing entities at each side of the network, e.g. split proxies]
H04L67/28X4:	. . . [N: Distributed intermediate devices, i.e. intermediate device interaction with other intermediate devices on the same level]
H04L67/28X6:	. . . [N: Hierarchically arranged intermediate devices, e.g. hierarchical caching]
H04L67/28X8:	. . . [N: where the intermediate processing is functionally located closer to the data consumer application, e.g. in same machine, in same home or in same subnetwork]
H04L67/28X9:	. . . [N: where the intermediate processing is functionally located closer to the data provider application, e.g. reverse proxies; in same machine, in same cluster or subnetwork]
H04L67/30:	. [N: involving profiles]
H04L67/30T:	. . [N: Terminal profiles]
H04L67/30U:	. . [N: User profiles (configuring for programme initiating G06F9/445C; information retrieval by personalized querying G06F17/30W1F)]
H04L67/32:	. [N: for scheduling or organising the servicing of application requests, e.g. requests for application data transmissions involving the analysis and optimisation of the required network resources (intermediate grouping or aggregating of service requests H04L67/28G; broadcast or conference with schedule organisation H04L12/18S; computer conference arrangements H04L12/18D; network service management, ensuring proper service fulfilment according to an agreement or contract between two parties H04L12/24S)]
H04L67/32Q:	. . [N: whereby quality of service [QoS] or priority requirements are taken into account (QoS aspects in real-time communications H04L65/80; monitoring of QoS metrics H04L12/26M3)]
H04L67/32T:	. . [N: whereby a time schedule is established for servicing the requests]
H04L67/32Y:	. . [N: whereby the routing of a service request to a node providing the service depends on the content or context of the request, e.g. profile, connectivity status, payload or application type]
H04L67/34:	. [N: involving the movement of software or configuration parameters (programme loading or initiating G06F9/445; remote booting G06F9/445B8; configuration management of network or network elements H04L12/24E)]
H04L67/36:	. [N: involving the display of network or application conditions affecting the network application to the application user (graphical user interfaces for network management H04L12/24F3)]
H04L67/38:	. [N: Protocols for telewriting; Protocols for networked simulations, virtual reality or games (games using an electronically generated display A63F13/00; remote windowing or X-Windows G06F9/44W1)]
H04L67/40:	. [N: Protocols for remote procedure calls [RPC] (remote procedure calls G06F9/54P)]
H04L67/42:	. [N: Protocols for client-server architectures (access to replicated servers H04L67/10A)]
H04L69/00:	Application independent communication protocol aspects or techniques in packet data networks interconnection arrangements between CPUs, memories, or peripherals within a single computer G06F13/00; data switching networks H04L12; flow control H04L12/56D; routing of packets H04L12/56C; network management H04L12/24; network monitoring or testing H04L12/26; network topologies, i.e. networks characterized by the path configuration, media access control H04L12/28; intermediate storage or scheduling H04L12/56Q; packet switches and switching fabrics H04L12/56S; message switching systems, e.g. email, H04L12/58; broadcast or multicast H04L12/18; hybrid switching systems H04L12/64; gateways H04L12/66; networks specially adapted for wireless communication H04W; transmission systems H04B
H04L69/02:	. [N: Protocol performance]
H04L69/03:	. [N: Protocol definition or specification (protocol conformance testing H04L1/24C2; specification techniques G06F9/44G4S)]
H04L69/04:	. [N: Protocols for data compression (compression in general H03M7/30; reduction of the amount or size of exchanged application data at an intermediate network processing stage H04L67/28F1; optimizing, e.g. header compression, information sizing in wireless communication networks H04W28/06)]
H04L69/06:	. [N: Notations for structuring of protocol data, e.g. abstract syntax notation one [ASN.1]]
H04L69/08:	. [N: Protocols for interworking or protocol conversion (arrangements for connecting between networks having differing types of switching systems, e.g. gateways, H04L12/66; network management protocols conversion H04L12/24A4)]
H04L69/10:	. [N: Streamlined, light-weight or high-speed protocols, e.g. express transfer protocol [XTP] or byte stream]
H04L69/12:	. [N: Protocol engines, e.g. VLSIs or transputers]
H04L69/14:	. [N: Multichannel or multilink protocols]
H04L69/16:	. [N: Transmission control protocol/internet protocol [TCP/IP] or user datagram protocol [UDP] (transport layer addressing aspects H04L61/60D60; network layer protocol adaptations for supporting mobility, e.g. mobile IP, H04W80/04; flow control or congestion control in data switching networks H04L12/56D; adapting video multiplex streams to a specific network H04N21/2381; special adaptations of TCP, UDP or IP for interworking of IP based networks with other networks H04L69/16P)]
H04L69/16A:	. . [N: Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields (protocols engines in general H04L69/12; OSI stack based layering aspects H04L69/32; protocol header analysis in general H04L69/22; addressing aspects in multiple interfaces involving dual-stack hosts H04L61/60J)]
H04L69/16A1:	. . . [N: involving adaptations of sockets based mechanisms (secure socket layer H04L63/16G]
H04L69/16C:	. . [N: Adaptation of TCP data exchange control procedures (generic OSI layer 4 protocols, e.g. SCTP H04L69/32B4; TCP or UDP flow control procedures H04L12/56D10; error control procedures in general H04L1/18)]
H04L69/16E:	. . [N: Adaptation or special uses of UDP protocol]
H04L69/16G:	. . [N: involving combined use or selection criteria between TCP and UDP protocols (multi-protocol arrangements in general H04L69/18; multilink protocols in general H04L69/14)]
H04L69/16J:	. . [N: IP fragmentation or TCP segmentation aspects (evaluation of maximum transfer unit [MTU] H04L12/56D27; assembly or disassembly of packets in wireless networks H04W28/06D)]
H04L69/16L:	. . [N: Transitional provisions between IPv4 and IPv6 (address translation between IPv4 and IPv6 H04L61/25A1A; involvement of different protocol versions in wireless network layer protocols, e.g. MIPv4 and MIPv6 H04W80/04V)]
H04L69/16N:	. . [N: Special adaptations of TCP, UDP or IP to match specific link layer protocols, e.g. ATM, SONET or PPP (IP over ATM H04L12/56A18P1; special adaptation of TCP protocol for wireless media H04W80/06)]
H04L69/16P:	. . [N: Special adaptations of TCP, UDP or IP for interworking of IP based networks with other networks (protocols for interworking in general H04L69/08)]
H04L69/18:	. [N: Multi-protocol handler, e.g. single device capable of handling multiple protocols (multilayer or multiprotocol switches H04L12/56S14E)]
H04L69/22:	. [N: Header parsing or analysis (traffic monitoring by flow aggregation or filtering H04L12/26M1; flow identification in packet switching networks H04L12/56D15J)]
H04L69/24:	. [N: Negotiation of communication capabilities]
H04L69/26:	. [N: Special purpose or proprietary protocols or architectures (network applications for proprietary or special purpose networking environments H04L67/12)]
H04L69/28:	. [N: Timer mechanisms used in protocols]
H04L69/30:	. [N: Definitions, standards or architectural aspects of layered protocol stacks]
H04L69/32:	. . [N: High level architectural aspects of 7-layer open systems interconnection [OSI] type protocol stacks]
H04L69/32A:	. . . [N: Aspects of inter-layer communication protocols or service data unit [SDU] definitions; Interfaces between layers]
H04L69/32B:	. . . [N: Aspects of intra-layer communication protocols among peer entities or protocol data unit [PDU] definitions]
H04L69/32B1:	. . . . [N: in the physical layer, i.e. layer one (arrangements for detecting or preventing errors in the information received H04L1/00; baseband systems H04L25/00; modulated-carrier systems H04L27/00)]
H04L69/32B2:	. . . . [N: in the data link layer, i.e. layer two, e.g. HDLC (arrangements for detecting or preventing errors in the information received H04L1/00; bus networks H04L12/40)]
H04L69/32B3:	. . . . [N: in the network layer, i.e. layer three, e.g. X.25 (packet switching systems, packet routing H04L12/56C; TCP/IP H04L69/16)]
H04L69/32B4:	. . . . [N: in the transport layer, i.e. layer four (TCP/IP H04L69/16; streaming protocols, e.g. RTP, H04L65/60P)]
H04L69/32B5:	. . . . [N: in the session layer, i.e. layer five (session initiation protocol H04L65/10H2; session control in real time communications H04L65/10S; arrangements for session management H04L67/14)]
H04L69/32B6:	. . . . [N: in the presentation layer, i.e. layer six (graphical user interfaces G06F3/048; terminal emulation, e.g. telnet, H04L67/08)]
H04L69/32B7:	. . . . [N: in the application layer, i.e. layer seven (network arrangements or network communication protocols for networked applications H04L67/00; digital computing or data processing equipment or methods, specially adapted for specific applications G06F19/00; data processing systems and methods specially adapted for administrative, commercial, financial or managerial purposes G06Q)]
H04L69/40:	. [N: Techniques for recovering from a failure of a protocol instance or entity, e.g. failover routines, service redundancy protocols, protocol state redundancy or protocol service redirection in case of a failure or disaster recovery (reactions to failures of replicated servers by a load balancer H04L67/10A11; departure or maintenance mechanisms in peer-to-peer networks H04L67/10P1A2; intermediate processing of operational support to end devices when they are unavailable, H04L67/28U; network fault management H04L12/24D; route fault recovery in network routing H04L12/56C108; fault recovery in packet switches H04L12/56S12C) ]