ANSI INCITS ISO IEC 10589-2002 Information technology - Telecommunications and information exchange between systems - Intermediate System to Intermediate System intra-domain routeiu.pdf

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1、 Reference numberISO/IEC 10589:2002(E)ISO/IEC 2002INTERNATIONAL STANDARD ISO/IEC10589Second edition2002-11-15Information technology Telecommunications and information exchange between systems Intermediate System to Intermediate System intra-domain routeing information exchange protocol for use in co

2、njunction with the protocol for providing the connectionless-mode network service (ISO 8473) Technologies de linformation Communication de donnes et change dinformations entre systmes Protocole intra-domaine de routage dun systme intermdiaire un systme intermdiaire utiliser conjointement avec le pro

3、tocole fournissant le service de rseau en mode sans connexion (ISO 8473) Adopted by INCITS (InterNational Committee for Information Technology Standards) as an American National Standard.Date of ANSI Approval: 12/20/2002Published by American National Standards Institute,25 West 43rd Street, New York

4、, New York 10036Copyright 2002 by Information Technology Industry Council (ITI).All rights reserved.These materials are subject to copyright claims of International Standardization Organization (ISO), InternationalElectrotechnical Commission (IEC), American National Standards Institute (ANSI), and I

5、nformation Technology Industry Council(ITI). Not for resale. No part of this publication may be reproduced in any form, including an electronic retrieval system, withoutthe prior written permission of ITI. All requests pertaining to this standard should be submitted to ITI, 1250 Eye Street NW,Washin

6、gton, DC 20005.Printed in the United States of AmericaISO/IEC 10589:2002(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and

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9、nd, please inform the Central Secretariat at the address given below. ISO/IEC 2002 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permissio

10、n in writing from either ISO at the address below or ISOs member body in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO/IEC 2002 All rights reser

11、vedISO/IEC 10589:2002(E) ISO/IEC 2002 All rights reserved iiiContents 1 Scope _ 1 2 Normative references _ 1 3 Definitions_ 3 3.1 Reference model definitions_ 3 3.2 Network layer architecture definitions_ 3 3.3 Network layer addressing definitions _ 3 3.4 Local area network definitions _ 3 3.5 Route

12、ing framework definitions _ 3 3.6 Additional definitions _ 3 4 Symbols and abbreviations_ 5 4.1 Data units_ 5 4.2 Protocol data units _ 5 4.3 Addresses_ 5 4.4 Miscellaneous _ 5 5 Typographical conventions _ 6 6 Overview of the protocol_ 6 6.1 System types _ 6 6.2 Subnetwork types _ 7 6.3 Topologies

13、_ 7 6.4 Addresses_ 8 6.5 Functional organisation _ 8 6.6 Design goals and non-goals _ 9 6.7 Environmental requirements_ 11 6.8 Functional organisation of subnetwork independent components_ 12 7 Subnetwork independent functions _ 14 7.1 Addresses_ 15 7.2 Decision process _ 18 7.3 Update process _ 26

14、7.4 Forwarding process _ 45 7.5 Routeing constants and parameters _ 48 8 Subnetwork dependent functions_ 49 8.1 Multi-destination circuits on ISs at a domain boundary _ 49 8.2 Point-to-point subnetworks _ 50 8.3 ISO 8208 subnetworks _ 54 8.4 Broadcast subnetworks _ 59 ISO/IEC 10589:2002(E) iv ISO/IE

15、C 2002 All rights reserved9 Structure and encoding of PDUs_ 65 9.1 General encoding rules_65 9.2 Encoding of network layer addresses _65 9.3 Encoding of SNPA addresses_65 9.4 PDU types _66 9.5 Level 1 LAN IS to IS hello PDU _66 9.6 Level 2 LAN IS to IS hello PDU _69 9.7 Point-to-point IS to IS hello

16、 PDU _72 9.8 Level 1 link state PDU _75 9.9 Level 2 link state PDU _79 9.10 Level 1 complete sequence numbers PDU _84 9.11 Level 2 complete sequence numbers PDU _86 9.12 Level 1 partial sequence numbers PDU_88 9.13 Level 2 partial sequence numbers PDU_90 10 System environment _ 91 10.1 Generating ji

17、tter on timers _91 10.2 Resolution of timers_92 10.3 Requirements on the operation of ISO 9542 _93 10.4 Requirements on the operation of ISO 8473 _93 11 System management_ 93 11.1 General _93 -11.2 GDMO definition _ 94 -11.2.1 Common GDMO definitions_94 -11.3 ASN1 modules _127 12 Conformance _ 129 1

18、2.1 Conformance for protocol implementation_129 12.1.2 Dynamic conformance _131 12.2 Conformance for management information implementation _133 Annex A_ 135 A.1 Introduction_135 A.2 Abbreviations and special symbols _135 A.3 Instructions for completing the pics pro formas _135 A.4 Identification _13

19、8 A.5 Protocol summary: ISO 10589 general_139 A.6 Protocol summary: ISO 10589 level 1 specific functions_143 A.7 Protocol summary: ISO 10589 level 2 specific functions_144 ISO/IEC 10589:2002(E) ISO/IEC 2002 All rights reserved vAnnex B _ 146 B.1 Addressing and routeing _ 146 B.2 Use of the area addr

20、ess field in intra-domain routeing _ 148 Annex C _ 150 C.1 Routeing databases _ 150 C.3 Forwarding process _ 156 Annex D_ 158 D.1 Congestion control _ 158 D.2 Congestion avoidance _ 159 Annex E _ 160 -E.1 Generic managed object class definitions _ 160 -E.2 ASN.1 definitions _ 167 Annex F _ 169 Annex

21、 G_ 170 G.1 Introduction _ 170 G.2 Identification of the implementation_ 171 G.3 Identification of the International Standard in which the management information is defined _ 171 Annex H_ 175 H.1 Introduction _ 175 H.2 Instructions for completing the MICS proforma to produce a MICS_ 175 H.3 Symbols,

22、 abbreviates and terms _ 175 H.4 Statement of Conformance to the management information _ 175 Annex I _ 182 I.1 Introduction _ 182 I.2 Adjacency managed object _ 182 I.3 Virtual adjacency managed object _ 185 I.4 Destination system managed object _ 187 I.5 Destination area managed object _ 188 I.6 r

23、eachableAddress “ISO/IEC 10589” _ 190 Annex J _ 195 J.1 Introduction _ 195 J.2 Instructions for completing the MRCS proforma for name binding to produce a MRCS_ 195 J.3 Statement of conformance to the name binding _ 195 Index _ 197 ISO/IEC 10589:2002(E) vi ISO/IEC 2002 All rights reservedForeword IS

24、O (the International Organization for Standardization) and IEC (the International Electrotechnical Commission) form the specialized system for worldwide standardization. National bodies that are members of ISO or IEC participate in the development of International Standards through technical committ

25、ees established by the respective organization to deal with particular fields of technical activity. ISO and IEC technical committees collaborate in fields of mutual interest. Other international organizations, governmental and non-governmental, in liaison with ISO and IEC, also take part in the wor

26、k. In the field of information technology, ISO and IEC have established a joint technical committee, ISO/IEC JTC 1. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 3. The main task of the joint technical committee is to prepare International Sta

27、ndards. Draft International Standards adopted by the joint technical committee are circulated to national bodies for voting. Publication as an International Standard requires approval by at least 75 % of the national bodies casting a vote. Attention is drawn to the possibility that some of the eleme

28、nts of this International Standard may be the subject of patent rights. ISO and IEC shall not be held responsible for identifying any or all such patent rights. ISO/IEC 10589 was prepared by Joint Technical Committee ISO/IEC JTC 1, Information technology, Subcommittee SC 6, Telecommunications and in

29、formation exchange between systems. This second edition cancels and replaces the first edition (ISO/IEC 10589:1992), which has been technically revised. It incorporates Cor.1:1993, Cor.2:1996, Cor.3:1996, Amd.1:1996 and Amd.2:1999. Annexes A, E, G, H, I and J form a normative part of this International Standard. Annexes B, C, D and F are for information only. Annexes G, H, I and J provide ICS proformas associated with in