ATIS 1000636-1999 B-ISDN Signaling ATM Adaptation Layer (SAAL) C Overview Description.pdf
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1、 AMERICAN NATIONAL STANDARD FOR TELECOMMUNICATIONS ATIS-1000636.1999(R2015) B-ISDN Signaling ATM Adaptation Layer (SAAL) Overview Description As a leading technology and solutions development organization, ATIS brings together the top global ICT companies to advance the industrys most-pressing busin
2、ess priorities. Through ATIS committees and forums, nearly 200 companies address cloud services, device solutions, emergency services, M2M communications, cyber security, ehealth, network evolution, quality of service, billing support, operations, and more. These priorities follow a fast-track devel
3、opment lifecycle from design and innovation through solutions that include standards, specifications, requirements, business use cases, software toolkits, and interoperability testing. ATIS is accredited by the American National Standards Institute (ANSI). ATIS is the North American Organizational P
4、artner for the 3rd Generation Partnership Project (3GPP), a founding Partner of oneM2M, a member and major U.S. contributor to the International Telecommunication Union (ITU) Radio and Telecommunications sectors, and a member of the Inter-American Telecommunication Commission (CITEL). For more infor
5、mation, visit . AMERICAN NATIONAL STANDARD Approval of an American National Standard requires review by ANSI that the requirements for due process, consensus, and other criteria for approval have been met by the standards developer. Consensus is established when, in the judgment of the ANSI Board of
6、 Standards Review, substantial agreement has been reached by directly and materially affected interests. Substantial agreement means much more than a simple majority, but not necessarily unanimity. Consensus requires that all views and objections be considered, and that a concerted effort be made to
7、wards their resolution. The use of American National Standards is completely voluntary; their existence does not in any respect preclude anyone, whether he has approved the standards or not, from manufacturing, marketing, purchasing, or using products, processes, or procedures not conforming to the
8、standards. The American National Standards Institute does not develop standards and will in no circumstances give an interpretation of any American National Standard. Moreover, no person shall have the right or authority to issue an interpretation of an American National Standard in the name of the
9、American National Standards Institute. Requests for interpretations should be addressed to the secretariat or sponsor whose name appears on the title page of this standard. CAUTION NOTICE: This American National Standard may be revised or withdrawn at any time. The procedures of the American Nationa
10、l 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 Disclaimer theirexiste
11、nce 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 in no circumsta
12、nces 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 the secretariat o
13、r 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 this standard. P
14、urchasers 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 2000 by Alliance f
15、or 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 Scope, purpose, and
16、application 12 Normative references . 13 Abbreviations and acronyms 14 Requirements . 2iiForeword (This foreword is not part of American National Standard T1.636-1999.)This standard briefly describes the various components that make up the AAL func-tions necessary to support signaling (SAAL). It is
17、intended to serve as a guide to allother standards required by a user for the implementation of an AAL for the purposeof signaling.The ATM Adaptation layer (AAL) is defined as enhancing the services provided bythe ATM layer to support the functions required by the next higher layer. DifferentAALs su
18、pport 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 SAAL comprises AAL functions necessary to sup-port such a signaling entity. The current revision of this
19、 standard was made to indicate that the American NationalStandard for the overview description of the B-ISDN signaling ATM adaptation layershall be ITU-T Recommendation Q.2100, B-ISDN Signalling ATM Adaptation Layer -Overview Description.Suggestions for improvement of this standard are welcome. They
20、 should be sent tothe Alliance for Telecommunications Industry Solutions, T1 Secretariat, 1200 GStreet, NW, Suite 500, Washington DC 20005.This standard was processed and approved for submittal to ANSI by the AccreditedStandards Committee on Telecommunications, T1. Committee approval of this stan-da
21、rd does not necessarily imply 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 Ra
22、tta, Technical EditorOrganization Represented Name of RepresentativeEXCHANGE CARRIERSAmeritech . Fred 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, Inc. Mal
23、colm Threlkeld, Jr.John Spencer (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 WEST . Jame
24、s L. EitelDarryl Debault (Alt.)INTEREXCHANGE CARRIERSAT&T Charles A. DvorakJeffrey George (Alt.)iiiOrganization Represented Name of RepresentativeAT&T Canada Long Distance Services.David H. WhyteBell Canada.P. Norman SmithJoseph A. Zebarth (Alt.)Comsat Corporation Mark T. NeibertPrakash Chitre (Alt.
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