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This appendix defines the acronyms used for Asynchronous Transfer Mode (ATM) internetworking.
| Acronym | Definition |
|---|---|
| AAL | ATM adaptation layer |
| ABR | available bit rate |
| ACM | address complete message |
| ACT | Activity bit |
| Ai | signaling ID assigned by exchange A |
| AIM | ATM inverse multiplexer |
| AIR | additive increase rate |
| AIS | alarm indication signal |
| AIS-E | alarm indication signal-external |
| ANI | automatic number identification |
| ANM | answer message |
| APPN | Advanced Peer-to-Peer Networking |
| ARE | all-routes explorer |
| ASE | application service element |
| ASP | abstract service primitive |
| ATD | asynchronous time division |
| ATM | Asynchronous Transfer Mode |
| ATMARP | ATM Address Resolution Protocol |
| ATS | abstract test suite |
| AUU | ATM User-to-User |
| B-ICI | broadband inter carrier interface |
| B-ICI SAAL | B-ICI signaling ATM adaptation layer |
| B-ISDN | Broadband Integrated Services Digital Network |
| B-ISUP | broadband ISDN user's part |
| B-LLI | broadband low layer information |
| B-NT | broadband network termination |
| B-TE | broadband terminal equipment |
| BBC | broadband bearer capability |
| BCBDS | broadband connectionless-data-bearer service |
| BCOB | Broadband Class of Bearer |
| BECN | Backward Explicit Congestion Notification |
| BER | bit error rate |
| BGP | Border Gateway Protocol |
| BGT | broadcast and group translators |
| Bi | signaling ID assigned by exchange B |
| BIP | bit interleaved parity |
| BISDN | Broadband Integrated Services Digital Network |
| BISSI | broadband interswitching system interface |
| BN | bridge number |
| BOF | birds of feather |
| BOM | beginning of message |
| BOOTP | bootstrap protocol |
| BPDU | bridge protocol data unit |
| BPP | bridge port pair |
| BSVC | Broadcast Switched Virtual Connections |
| BT | burst tolerance |
| BTAG | begin tag |
| BUS | broadcast and unknown server |
| BW | bandwidth |
| CA | cell arrival |
| CAC | connection admission control |
| CBDS | connectionless broadband data service |
| CBR | constant bit rate |
| CBR interactive | constant bit rate interactive |
| CBR noninteractive | constant bit rate noninteractive |
| CC | continuity cell |
| CCR | current cell rate |
| CCS | common channel signaling |
| CCSS7 | common channel signaling system 7 |
| CDT | cell-delay tolerance |
| CDV | cell-delay variation |
| CDVT | cell-delay variation tolerance |
| CEI | connection endpoint identifier |
| CER | cell error ratio |
| CES | circuit emulation service |
| CI | congestion indicator |
| CIP | carrier identification parameter |
| CIR | committed information rate |
| CL | connectionless |
| CLP | cell loss priority |
| CLR | cell loss ratio |
| CLS | connectionless server |
| CLSF | connectionless service function |
| CMR | cell misinsertion rate |
| CN | copy network |
| CNM | customer network management |
| CO | connection oriented |
| COD | connection oriented data |
| COM | continuation of message |
| COS | class of service |
| CPCS | common part convergence sublayer |
| CPG | call progress message |
| CPI | common part indicator |
| CPN | customer premises network |
| CPN | calling party number |
| Crankback IE | crankback information element |
| CRCG | common routing connection group |
| CRF(VC) | virtual channel connection related function |
| CRF(VP) | virtual path connection related function |
| CS | convergence sublayer |
| CS1 | capability set one |
| CS2 | capability set two |
| CSI | convergence sublayer indication |
| CSPDN | circuit switched public data network |
| CSR | cell missequenced ratio |
| CSU | channel service unit |
| CTD | cell transfer delay |
| CTV | cell tolerance variation |
| DD | depacketization delay |
| DMDD | distributed multiplexing distributed demultiplexing |
| DN | distribution network |
| DS | distributed single layer test method |
| DS3 PLCP | physical layer convergence procedure |
| DSE | distributed single layer embedded test method |
| DSID | destination signaling identifier |
| DSS2 | setup digital subscriber signaling #2 |
| DTL IE | DTL information element |
| DXI | data exchange interface |
| EFCI | explicit forward congestion indication |
| ELAN | emulated local area network |
| EOM | end of message |
| ESI | end system indentifier |
| ETAG | end tag |
| ETE | end-to-end |
| EXM | exit message |
| FC | feedback control |
| FEBE | far end block error |
| FEC | forward error correction |
| FERF | far end receive failure |
| FRS | frame relay service |
| FUNI | frame user network interface |
| GAP | generic address parameter |
| GCID | global call identifier |
| GCID-IE | global call identifier-information element |
| GCRA | generic cell rate algorithm |
| GFC | generic flow control |
| GRC | generic reference configuration |
| HEC | header error control |
| HEC | header error check |
| HEL | header extension length |
| HLPI | higher layer protocol identifier |
| HOL | head of line |
| IAA | initial address acknowledgment |
| IAM | initial address message |
| IAR | initial address reject |
| IC | initial cell rate |
| ICD | international code designator |
| IDU | interface data unit |
| IE | information element |
| IISP | Interim Interswitch Signaling Protocol |
| ILMI | Interim Local Management Interface |
| IOP | interoperability |
| Ipng | internet protocol next generation |
| IUT | implementation under test |
| IWF | interworking function |
| IWU | interworking unit |
| LANE | local area network emulation |
| LAPD | link access procedure on the D channel |
| LB | leaky bucket |
| LD | LAN destination |
| LE_ARP | LAN emulation address resolution protocol |
| LEC | LAN emulation client |
| LECID | LAN emulation client identifier |
| LECS | LAN emulation configuration server |
| LES | LAN emulation server |
| LIJP | leaf initiated join parameter |
| LIV | link integrity verification |
| LLATMI | lower-layer ATM interface |
| LLC | logical link control |
| LLC/SNAP | logical link control/subnetwork access protocol |
| LOC | loss of cell delineation |
| LOF | loss of frame |
| LOS | loss of signal |
| LSR | leaf setup request |
| LT | lower tester |
| LTH | length field |
| MA | maintenance and adaptation |
| MBS | maximum burst size |
| MCR | minimum cell rate |
| MCTD | mean cell transfer delay |
| ME | mapping entity |
| MID | message identifier |
| MIN | multistage interconnection networks |
| MIR | maximum information rate |
| MMF | multimode fiber-optic cable |
| MRCS | multirate circuit switching |
| MS | meta signaling |
| MSAP | management service access point |
| MSN | monitoring cell sequence number |
| MSVC | meta-signaling virtual channel |
| MT | message type |
| MTP | message transfer part |
| NE | network element |
| NHRP | next hop resolution protocol |
| NNI | network-network interface |
| NPC | network parameter control |
| NRM | network resource management |
| NRT | nonreal time |
| NSR | nonsource routed |
| NT | network termination |
| OAM | operations, administration, and maintenance |
| OLI | originating line information |
| OOF | out of frame |
| OPCR | original program clock reference |
| OSID | origination signaling identifier |
| OSPF | Open Shortest Path First |
| PCO | point of control and observation |
| PCR | peak cell rate |
| PCR | program clock reference |
| PCVS | point-to-point switched virtual connections |
| PD | packetization delay |
| PDH | plesiochronous digital hierarchy |
| PICS | protocol implementation conformance statement |
| PID | protocol identifier governing connection types |
| PIXIT | protocol implementation extra information for testing |
| PL | physical layer |
| PLL | phase locked loop |
| PLPC | Physical Layer Convergence Protocol |
| PM | physical medium |
| PNNI | Private Network-Network Interface |
| POH | path overhead |
| POI | path overhead indicator |
| PT | payload type |
| PTI | payload type identifier |
| PVC | permanent virtual circuit |
| PVCC | permanent virtual channel connection |
| PVPC | Permanent Virtual Path Connection |
| QD | queuing delay |
| QOS | quality of service |
| QPSX | queue packet and synchronous circuit exchange |
| RAI | remote alarm indication |
| RC | routing control |
| RD | Route Descriptor |
| RDF | rate decrease factor |
| RDI | remote defect identification |
| RDI | remote defect indication |
| REL | release message |
| RI | routing information |
| RISC | reduced instruction set computing |
| RLC | release complete |
| RM | resource management |
| ROLC | routing over large clouds |
| RSVP (protocol) | Resource Reservation Protocol |
| RT | routing type |
| SA | source MAC address |
| SA | source address |
| SAAL | signaling ATM adaptation layer |
| SAP | service access point |
| SAR | segmentation and reassembly |
| SCCP | signaling connection and control part |
| SCP | service control point |
| SCR | sustainable cell rate |
| SDH | synchronous digital hierarchy |
| SDU | service data unit |
| SE | switching element |
| SEAL | simple and efficient adaptation layer |
| SF | switching fabric |
| SGM | segmentation message |
| SID | signaling identifier |
| SIR | sustained information rate |
| SMC | sleep mode connection |
| SMF | single-mode fiber |
| SN | sequence number |
| SOH | section overhead |
| SPTS | single program transport stream |
| SR | source routing (bridging) |
| SRF | specifically routed frame |
| SRTS | synchronous residual time stamp |
| SSCF | service specific coordination function |
| SSCOP | Service Specific Connection Oriented Protocol |
| SSCS | service specific convergence sublayer |
| ST | segment type |
| STE | spanning tree explorer |
| STM | synchronous transfer mode |
| STM1 | synchronous transport module level 1-- 155Mbits/sec |
| STP | signaling transfer point |
| STS | synchronous time stamps |
| STS-3c | synchronous transport single-Level 3, concatenated |
| SUT | system under test |
| SVC | switched virtual circuit |
| SVCI | switched virtual circuit identifier |
| SVP | switched virtual path |
| SWG | subworking group |
| TB | transparent bridging |
| TC | transaction capabilities |
| TC | transmission convergence |
| TCAP | transaction capabilities applications part |
| TCI | test cell input |
| TCO | test cell output |
| TCP | test coordination procedure |
| TCS | transmission convergence sublayer |
| TDJ | transfer delay jitter |
| TLV | type / length / value |
| TM | traffic management |
| TM SWG | traffic management subworking group |
| TMP | Test Management Protocol |
| TNS | transit network selection |
| TPCC | third party call control |
| TS | traffic shaping |
| TS | time stamp |
| TS | transport stream |
| TS | time slot |
| TSAP | transport service access point |
| UBR | unspecified bit rate |
| UME | UNI management entity |
| UNI | User-Network Interface |
| UT | upper tester |
| UTOPIA | universal test and operations PHY interface for ATM |
| VBR | variable bit rate |
| VBR delay sensitive | variable bit rate delay sensitive |
| VBR delay tolerant | variable bit rate delay tolerant |
| VBR noninteractive | variable bit rate noninteractive |
| VC | virtual channel (virtual circuit) |
| VC-Multiplexing | virtual channel multiplexing |
| VCC | virtual channel connection |
| VCI | virtual circuit identifier |
| VCI | virtual connection identifier |
| VCI | virtual channel identifier |
| VLAN | virtual local-area network |
| VP | virtual path |
| VP/VC | virtual path, virtual Circuit |
| VPC | virtual path connection |
| VPCI/VCI | virtual path connection identifier/virtual channel identifier |
| VPI | virtual path identifier |
| VS | virtual scheduling |
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