1、 AMERICAN NATIONAL STANDARD FOR TELECOMMUNICATIONS ATIS-1000637.1999(R2015) B-ISDN ATM Adaptation Layer Service Specific Connection Oriented Protocol (SSCOP) As a leading technology and solutions development organization, ATIS brings together the top global ICT companies to advance the industrys mos
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10、American National Standards Institute require that action be taken periodically to reaffirm, revise, or withdraw this standard. Purchasers of American National Standards may receive current information on all standards by calling or writing the American National Standards Institute. Notice of Discla
11、imer theirexistence does not in any respect preclude anyone, whether he has approvedthe standards or not, from manufacturing, marketing, purchasing, or usingproducts, processes, or procedures not conforming to the standards.The American National Standards Institute does not develop standards andwill
12、 in no circumstances give an interpretation of any American NationalStandard. Moreover, no person shall have the right or authority to issue aninterpretation of an American National Standard in the name of the AmericanNational Standards Institute. Requests for interpretations should beaddressed to t
13、he secretariat or sponsor whose name appears on the titlepage of this standard.CAUTION NOTICE: This American National Standard may be revised orwithdrawn at any time. The procedures of the American National StandardsInstitute require that action be taken periodically to reaffirm, revise, orwithdraw
14、this standard. Purchasers of American National Standards mayreceive current information on all standards by calling or writing the AmericanNational Standards Institute.American National StandardPublished byAmerican National Standards Institute, Inc.11 West 42nd Street, New York, NY 10036Copyright 20
15、00 by Alliance for Telecommunications Industry SolutionsAll rights reserved.No part of this publication may be reproduced in anyform, in an electronic retrieval system or otherwise,without prior written permission of the publisher.Printed in the United States of AmericaiContentsPageForeword ii1 Scop
16、e, purpose, and application 12 Normative references . 13 Abbreviations and acronyms 14 Requirements . 3iiForeword (This foreword is not part of American National Standard T1.637-1999.)The intent of this standard is to provide a new protocol specification that can be usedin the B-ISDN ATM Adaptation
17、Layer (AAL). This protocol, called the Service SpecificConnection Oriented Protocol (SSCOP), provides assured data delivery betweenAAL connection endpoints.The ATM Adaptation Layer (AAL) is defined as enhancing the services provided bythe ATM layer to support the functions required by the next highe
18、r layer. DifferentAALs support various protocols to suit the different needs of a range of AAL serviceusers. One particular type of AAL service user is the signaling entity wishing to com-municate with a peer entity. The signaling AAL (SAAL) comprises AAL functions nec-essary to support such a signa
19、ling entity. The structure of the SAAL is defined inT1.636-1999. The SSCOP has been defined to provide functions required in theSAAL.The SAAL is a combination of two sublayers: a common part and a service specificpart. The common part protocol is defined in ITU-T Recommendation I.363.5. Theservice s
20、pecific part is also known as the Service Specific Convergence Sublayer(SSCS). In the SAAL, the SSCS itself is functionally divided into the SSCOP and aService Specific Coordination Function (SSCF), which maps the services provided bythe SSCOP to the needs of the user of the SAAL. This structure all
21、ows a commonconnection oriented protocol with error recovery (the SSCOP) to provide a genericreliable data transfer service for different AAL interfaces defined by the SSCF. Twosuch SSCFs, one for signaling at the User Network Interface (UNI) and one for sig-naling at the Network to Network Interfac
22、e (NNI), have been defined in ITU-T Recom-mendations Q.2130 and Q.2140, respectively. It is also possible to define additionalSSCFs over the common SSCOP to provide different AAL services.The SSCOP is a peer-to-peer protocol that provides the following functions:- transfer of user data with sequence
23、 integrity,- error correction by selective retransmission,- flow control,- connection control,- error reporting to layer management,- connection maintenance in the prolonged absence of data transfer,- local data retrieval by the user,- error detection of protocol control information, and- status rep
24、orting.This standard describes for SSCOP the necessary elements for layer-to-layer com-munication, the elements for peer-to-peer communication, a detailed protocol specifi-cation, and examples of SSCOP operation. The current revision of this standard was made to indicate that the American NationalSt
25、andard for a B-ISDN ATM adaptation layer service specific connection orientedprotocol is the ITU-T Recommendation Q.2110, B-ISDN ATM Adaptation Layer - Ser-vice Specific Connection Oriented Protocol (SSCOP).Suggestions for improvement of this standard are welcome. They should be sent tothe Alliance
26、for Telecommunications Industry Solutions, T1 Secretariat, 1200 GStreet, NW, Suite 500, Washington DC 20005.iiiThis standard was processed and approved for submittal to ANSI by the AccreditedStandards Committee on Telecommunications, T1. Committee approval of this stan-dard does not necessarily impl
27、y that all committee members voted for its approval. Atthe time it approved this standard, the T1 Committee had the following members:G. H. Peterson, ChairmanE. R. Hapeman, Vice-ChairmanS. M. Carioti, T1 DisciplinesS. D. Barclay, T1 SecretaryJim Lord, Senior EditorGreg Ratta, Technical EditorOrganiz
28、ation Represented Name of RepresentativeEXCHANGE CARRIERSAmeritechFred KujawskiLarry A. Young (Alt.)AT&T Wireless Services, Inc. .David HolmesBell Atlantic .Roger NuchoJames F. Baskin (Alt.)Bellcore .James C. StaatsCliff Halevi (Alt.)BellSouth Telecommunications, IncMalcolm Threlkeld, Jr.John Spence
29、r (Alt.)GTE Telephone Operations Bernard J. HarrisRichard L. Cochran (Alt.)SBC Communications, Inc. .C. C. BaileyRobert J. Hall (Alt.)Sprint - Local Telecommunications Division .Leroy D. KelloggUS Telephone Association (USTA).Paul HartAnthony Pupek (Alt.)US WESTJames L. EitelDarryl Debault (Alt.)INT
30、EREXCHANGE CARRIERSAT&T.Charles A. DvorakJeffrey George (Alt.)AT&T Canada Long Distance Services David H. WhyteBell Canada P. Norman SmithJoseph A. Zebarth (Alt.)Comsat CorporationMark T. NeibertPrakash Chitre (Alt.)General Communication, Inc. .Derek L. WeltonC. R. Baugh (Alt.)MCI Worldcom Yi-Shang
31、ShenJ. Martin Carroll (Alt.)Sprint - Long Distance Division.Thomas G. CrodaJames Lord (Alt.)MANUFACTURERS3COMFred LucasRichard L. Stuart (Alt.)ADC Telecommunications, IncCliff DavidowDon Berryman (Alt.)Advanced Micro Devices Terry L. ColeJim Kubinec (Alt.)Airspan Communications Corporation Douglas M
32、. McCalisterChris Rogers (Alt.)Alcatel USA, Inc. .Ken BiholarBill Powell (Alt.)AMP, Inc. Keith LetoAscom Enterprise NetworksZ. PutninsAware, Inc. Marcos TzannesWilliam Meyer (Alt.)Centillium Technology.Syed AbbasGuozhu Long (Alt.)ivOrganization Represented Name of RepresentativeCiena Corporation Raj
33、ender RazdanJerry Shrimpton (Alt.)Conexant Systems, Inc. Quentin C. CassenDiamond Lane Communications William BuckReuven Segev (Alt.)ECI Telecom, Inc Ron MurphyTodd Poole (Alt.)Ericsson, Inc. Linda TroyStephen Hayes (Alt.)Fujitsu America, Inc Kenneth T. CoitHirohiko Yamamoto (Alt.)General DataComm,
34、Inc. Fred CroninWilliam Conway (Alt.)Globespan Semiconductor, Inc. . Massimo SorbaraClete Gardenhour (Alt.)Harris Corporation Amin VarisHekimian Laboratories William H. DuncanHewlett-Packard . Karen HigginbottomRichard van Gelder (Alt.)Hughes Network Systems Leonard GoldingEnrique Laborde (Alt.)Inte
35、l Corporation. Chris HansenNarjala Bhasker (Alt.)Lucent Technologies John H. BobsinDave R. Andersen (Alt.)Megaxess/Atanet, Inc. Sree SistlaD. Vaman (Alt.)Motorola, Inc. Ken SkurnackDan Grossman (Alt.)NEC America, Inc. Donovan NakHajime Koto (Alt.)Next Level Communications. Sabit SayJeffrey Weber (Al
36、t.)Nokia Telecommunications, Inc Chris WallaceWalt Tamminen (Alt.)Nortel Networks Mel N. WoinskyEd Eckert (Alt.)Oki America, Inc. Henri SuyderhoudHisao Fujikawa (Alt.)Orckit Communications James SzeligaNigel Cole (Alt.)Paradyne Corporation Richard K. SmithPhil Kyees (Alt.)Picturetel Corporation. Mar
37、shall SchachtmanDavid Lindbergh (Alt.)Pirelli TSG John McDonoughLuis Tondi-Resta (Alt.)Qualcomm, Inc. Mark EpsteinEd Tiedemann (Alt.)RelTec Corporation Mark ScottLeroy Baker (Alt.)Siemens Information and Communication Networks, Inc. David E. FranciscoDennis Edinger (Alt.)ST Microelectronics Jean-J R
38、aynalRoy Harvey (Alt.)Symmetricom, Inc. M. J. NarasimhaPhil Mann (Alt.)Telecommunications Techniques. Bernard E. WorneDoug Holly (Alt.)Tellabs Operations, Inc. Jim OrmeTom Rarick (Alt.)Texas Instruments James T. CarloPete Chow (Alt.)Transwitch Corporation Jitender VijEdwin Soltysiak (Alt.)vOrganizat
39、ion Represented Name of RepresentativeWestell Technologies, Inc. George N. PitsoulakisRama Mwikalo (Alt.)GENERAL INTERESTABC, Inc. .Warner W. JohnstonAerial Communications .George P. LynchRob Rowe (Alt.)BellSouth Cellular CorporationDon ZelmerScott Fox (Alt.)C.S.I. Telecommunications .Michael S. New
40、manWilliam J. Buckley (Alt.)CDMA Develpoment Group Sam SamraJim Takach (Alt.)Defense Information Systems Agency Don ChoiGSM North America Linda MelvinMediaOne Labs.Paul HughesJim Dahl (Alt.)Microcell ConnexionsMarilyn PoirierJean-Louis Gauvreau (Alt.)National Communications System Nicholas AndreFran
41、k M. McClelland (Alt.)National Institute of Standards and Technology (NIST)Thomas Ndousse-FetterDavid Cypher (Alt.)National Telecommunications and Information Administration/Institute for Telecommunication Sciences (NTIA/ITS).William F. UtlautNeal B. Seitz (Alt.)National Telephone Cooperative Associ
42、ation .Paul M. JohnsonScott Reiter (Alt.)Omnipoint Corporation Gary K. JonesAlbert H. Yuhan (Alt.)Pacific Bell WirelessDavid WilliamsRandolph Wohlert (Alt.)Powertel, Inc. Irfan KhanRural Utilities Service Orren E. Cameron IIINorberto Esteves (Alt.)Technical Subcommittee T1S1 on Services, Architectur
43、e, and Signalling, which wasresponsible for the development of this standard, had the following members:W. R. Zeuch, ChairmanJ. Hilton, Vice-ChairmanM. Geissinger, SecretaryOrganization Represented Name of RepresentativeADC Telecommunications, IncGeorge FrankGary Hansen (Alt.)Airspan Communications
44、Corporation Douglas M. McCalisterChris Rogers (Alt.)Alcatel USA, Inc. .Albert AzzamSadik Okar (Alt.)Ameritech Mike TisikerDon Mickel (Alt.)Ascom Enterprise NetworksZ. PutninsAT&T .Doris S. LebovitsJohn Keselica (Alt.)Atmosphere Networks, Inc. .Scott WhiteAlex Dobrushin (Alt.)Bell Atlantic .Dana Shil
45、lingburgMichael Brusca (Alt.)Bell Canada.Stewart PatchP. Norman Smith (Alt.)viOrganization Represented Name of RepresentativeBellcore. Selvan RengasamiWesley Downum (Alt.)BellSouth Telecommunications, Inc. Robert V. EpleyDavid Whitney (Alt.)Billing Concepts Betty CockrellC.S.I. Telecommunications. M
46、ichael S. NewmanWilliam J. Buckley (Alt.)Comsat Corporation . Mark T. NeibertFaris Faris (Alt.)Defense Information Systems Agency . Don ChoiRalph Liguori (Alt.)Ericsson, Inc. Linda TroyFujitsu America, Inc Kenneth T. CoitAmalendu Chatterjee (Alt.)General DataComm, Inc. Mike McLoughlinGTE Telephone O
47、perations Jay R. HiltonD. J. Kostas (Alt.)Hekimian Laboratories Greg MillerWilliam H. Duncan (Alt.)Hewlett-Packard . Richard van GelderJames G. Baker (Alt.)Lucent Technologies Robert B. WallerWayne R. Zeuch (Alt.)MCI Worldcom Yatendra PathakBernard Ku (Alt.)MediaOne Labs Paul HughesJim Dahl (Alt.)Me
48、gaxess/Atanet, Inc. Sree SistlaD. Vaman (Alt.)National Communications System Nicholas AndreDale Barr (Alt.)National Telecommunications and Information Administration/Institute for Telecommunication Sciences (NTIA/ITS) Randall S. BloomfieldWilliam F. Utlaut (Alt.)NEC America, Inc. Kuei Y. KouDonovan
49、Nak (Alt.)Nokia Telecommunications, Inc Jean-Luc BouthhemyWalt Tamminen (Alt.)Nortel Networks Mel N. WoinskyLewis C. Robart (Alt.)Oki America, Inc. Henri SuyderhoudHisao Fujikawa (Alt.)Omnipoint Corporation . Albert H. YuhanGary K. Jones (Alt.)Paradyne Corporation Richard K. SmithPhil Kyees (Alt.)SBC Communications, Inc Robert J. HallClifton Campbell (Alt.)Siemens Information and Communication Networks, Inc. Glenn F. SissonHaluk Keskiner (Alt.)Sprint - Long Distance Division James LordAlbert D. Du Ree (Alt.)Symmetricom, Inc. John EhrigGary Hamann (Alt.)Tandem Telecommunications Systems,
