BS ISO IEC 9594-5-2017 Information technology Open Systems Interconnection The Directory Protocol specifications《信息技术 开放系统互连 目录 协议规范》.pdf

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1、Information technology Open Systems Interconnection The Directory Part 5: Protocol specifications BS ISO/IEC 95945:2017 BSI Standards Publication WB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06Information technology Open Systems Interconnection The Directory Part 5: Protocol specifications

2、Technologies de linformation Interconnexion de systmes ouverts (OSI) L annuaire Partie 5: Spcifications du protocole INTERNATIONAL STANDARD ISO/IEC 9594-5 Reference number ISO/IEC 9594-5:2017(E) Eighth edition 2017-05 ISO/IEC 2017 National foreword This British Standard is the UK implementation of I

3、SO/IEC 95945:2017. It supersedes BS ISO/IEC 9594-5:2014, which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee IST/6, Data communications. A list of organizations represented on this committee can be obtained on request to its secretary. This publication do

4、es not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2017 Published by BSI Standards Limited 2017 ISBN 978 0 580 96320 9 ICS 35.100.70 Compliance with a British Standard cannot confer immunity from

5、legal obligations. This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 July 2017. Amendments/corrigenda issued since publication Date Text affected BRITISH STANDARD BS ISO/IEC 95945:2017Information technology Open Systems Interconnection The D

6、irectory Part 5: Protocol specifications Technologies de linformation Interconnexion de systmes ouverts (OSI) L annuaire Partie 5: Spcifications du protocole INTERNATIONAL STANDARD ISO/IEC 9594-5 Reference number ISO/IEC 9594-5:2017(E) Eighth edition 2017-05 ISO/IEC 2017 BS ISO/IEC 95945:2017 ii ISO

7、/IEC 2017 All rights reserved COPYRIGHT PROTECTED DOCUMENT ISO/IEC 2017, Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or pos

8、ting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISOs member body in the country of the requester. ISO copyright office Ch. de Blandonnet 8 CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax

9、+41 22 749 09 47 copyrightiso.org www.iso.org ISO/IEC 9594-5:2017(E) BS ISO/IEC 95945:2017 ii ISO/IEC 2017 All rights reserved COPYRIGHT PROTECTED DOCUMENT ISO/IEC 2017, Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilize

10、d otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISOs member body in the country of the requester. ISO copyright

11、office Ch. de Blandonnet 8 CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 copyrightiso.org www.iso.org ISO/IEC 9594-5:2017(E)ISO/IEC 9594-5:2017(E) ISO/IEC 2017 All rights reserved ii-1 Foreword ISO (the I nternation al O rgani z atio n fo r Standard iz ation)

12、 a nd I EC (the I nter nation al E lec trotechnical C om m i ssi o n ) f orm the s pe c i a l i z e d s ystem for worldwide s tandardiz at ion. N ational bo dies that a r e mem b ers of I SO o r IEC participate in t he d evelop ment o f Int e rna tion al S tandards through technic al committ ees e s

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14、 th I S O a n d I E C , a l s o ta ke p art in the w ork. In the field of i nformatio n technolo g y, I SO an d IEC have e stab li shed a jo i n t technical committee, ISO /IEC J TC 1. The pr oce du r es used to d evelop this document a nd those i nt ended f or its f u r th e r m a i n te n a n c e

15、a r e d e s c r ib e d in the I S O / I E C Dir e c ti ves, Part 1. In p articul ar the d ifferent a pproval criter ia needed f or the differ e nt types o f document s hould be noted. T his document w as d rafted in accordance w ith the e di to ri a l rul e s of the ISO /I EC Directives, Part 2 (see

16、 www.iso.org/directives ). A tt en ti o n is d rawn to t he possibility t hat some o f the el ements of t h i s d oc u men t m a y b e t h e s u bj ec t of p atent rights. ISO and IEC shall not be he l d r e sponsible f or identifying a ny or all such patent rig h ts. D e ta i l s o f a n y pa t e n

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18、 a n d d o e s not constitu t e an endorsement. For an e xpl a nati on on t he meanin g of I SO s peci fic terms an d expr essions related to c on f or mi t y a ss es s me nt, as well a s informati o n about ISOs a d h e r e n c e to the W o r l d T r a d e O rgan izat ion (WTO) principles in the Te

19、chnic a l B a r r i e r s to T r a d e (TBT) s e e the f o l lowing URL: www.iso.org/iso/foreword.html. This e ight h e dition c ancels a nd r eplaces t he s eventh e dition ( ISO/IEC 95945:2014), w hich has been technical ly revised. This d ocum ent was pr e p ared b y IS O/IEC J T C 1 , Informatio

20、n technology, SC 6, Telecommunications and information exchange between systems , i n c o ll a b o r a ti o n w i th I T U T . T he i d e n ti c a l te x t i s published as ITU T X.5 19 (10/ 20 16). A li st o f al l pa rt s in t he ISO/I E C 9 5 94 s e rie s, publishe d unde r t h e g en eral ti t l

21、e Information technology Open Systems Interconnection The Directory , c a n be fou nd on t h e IS O w e bsite. BS ISO/IEC 95945:2017 BS ISO/IEC 95945:2017 Rec. ITU-T X.519 (10/2016) iii CONTENTS Page 1 Scope 1 2 References 1 2.1 Normative references 1 2.2 Non-normative references . 2 3 Definitions 2

22、 3.1 Basic Directory definitions 2 3.2 Distributed Operation Definitions . 3 3.3 Protocol specification definitions 3 4 Abbreviations . 4 5 Conventions 4 6 Common protocol specification 5 6.1 Directory associations and operations . 5 6.2 Specification for Directory operations 6 6.3 Directory protoco

23、l overview . 7 6.4 Operation codes . 8 6.5 Error codes 8 6.6 Abstract syntaxes 9 7 Directory protocols using the OSI stack . 9 7.1 OSI-PDUs . 9 7.2 Directory PDU structure 9 7.3 Session PDUs 10 7.4 OSI addressing 11 7.5 Procedure and sequencing . 11 7.6 Directory PDU specifications 11 8 Directory pr

24、otocol mapping onto OSI services 26 8.1 Abstract syntaxes and transfer syntaxes 26 8.2 Application-context . 26 8.3 Session Layer specification . 28 8.4 Use of transport service . 34 8.5 OSI Transport Layer on top of TCP 34 9 IDM protocol 48 9.1 IDM-PDUs 48 9.2 Sequencing requirements 50 9.3 Protoco

25、ls 51 9.4 Reject reasons 51 9.5 Abort reasons 52 9.6 Mapping onto TCP/IP . 52 9.7 Addressing 53 9.8 Use of TLS 53 10 Directory protocol mapping onto the IDM protocol . 54 10.1 DAP-IP protocol 54 10.2 DSP-IP protocol 54 10.3 DISP-IP protocol . 55 10.4 DOP-IP protocol 55 11 Protocol stack coexistence

26、55 11.1 Coexistence between OSI and IDM stacks . 55 11.2 Coexistence in the presence of LDAP . 56 11.3 Defining network addresses for Internet Protocol, version 4 support . 56 11.4 Definition of NSAP-like address for long addressing information . 57 12 Versions and the rules for extensibility 57 12.

27、1 Use of extension markers 57 BS ISO/IEC 95945:2017 iv Rec. ITU-T X.519 (10/2016) Page 12.2 DUA to DSA . 58 12.3 DSA to DSA 58 12.4 Rules of extensibility for NSAP addresses 59 12.5 Rules of extensibility for object classes 60 12.6 Rules of extensibility for user attribute types 60 13 Conformance 60

28、 13.1 Conformance by DUAs . 60 13.2 Conformance by DSAs 61 13.3 Conformance by a shadow supplier 64 13.4 Conformance by a shadow consumer 65 Annex A Common protocol specifications in ASN.1 . 66 Annex B OSI Protocol in ASN.1 68 Annex C Directory OSI Protocols in ASN.1 74 Annex D IDM Protocol in ASN.1

29、 77 Annex E Directory IDM Protocols in ASN.1 . 80 Annex F Directory operational binding types . 82 Annex G Amendments and corrigenda . 83 BS ISO/IEC 95945:2017 iv Rec. ITU-T X.519 (10/2016) Page 12.2 DUA to DSA . 58 12.3 DSA to DSA 58 12.4 Rules of extensibility for NSAP addresses 59 12.5 Rules of e

30、xtensibility for object classes 60 12.6 Rules of extensibility for user attribute types 60 13 Conformance 60 13.1 Conformance by DUAs . 60 13.2 Conformance by DSAs 61 13.3 Conformance by a shadow supplier 64 13.4 Conformance by a shadow consumer 65 Annex A Common protocol specifications in ASN.1 . 6

31、6 Annex B OSI Protocol in ASN.1 68 Annex C Directory OSI Protocols in ASN.1 74 Annex D IDM Protocol in ASN.1 77 Annex E Directory IDM Protocols in ASN.1 . 80 Annex F Directory operational binding types . 82 Annex G Amendments and corrigenda . 83 Rec. ITU-T X.519 (10/2016) v Introduction This Recomme

32、ndation | International Standard, together with other Recommendations | International Standards, has been produced to facilitate the interconnection of information processing systems to provide directory services. A set of such systems, together with the directory information that they hold, can be

33、viewed as an integrated whole, called the Directory. The information held by the Directory, collectively known as the Directory Information Base (DIB), is typically used to facilitate communication between, with or about objects such as application entities, people, terminals and distribution lists.

34、 The Directory plays a significant role in Open Systems Interconnection, whose aim is to allow, with a minimum of technical agreement outside of the interconnection standards themselves, the interconnection of information processing systems: from different manufacturers; under different managements;

35、 of different levels of complexity; and of different ages. This Recommendation | International Standard specifies the application service elements and application contexts for two protocols the Directory Access Protocol (DAP) and the Directory System Protocol (DSP). The DAP provides for access to th

36、e Directory to retrieve or modify Directory information. The DSP provides for the chaining of requests to retrieve or modify Directory information to other parts of the distributed Directory System where the information may be held. In addition, this Recommendation | International Standard specifies

37、 the application service elements and application contexts for the Directory Information Shadowing Protocol (DISP) and the Directory Operational Binding Management Protocol (DOP). The DISP provides for the shadowing of information held in one DSA to another DSA. The DOP provides for the establishmen

38、t, modification and termination of bindings between pairs of DSAs for the administration of relationships between the DSAs (such as for shadowing or hierarchical relationships). This Recommendation | International Standard provides the foundation frameworks upon which industry profiles can be define

39、d by other standards groups and industry forums. Many of the features defined as optional in these frameworks may be mandated for use in certain environments through profiles. This eighth edition technically revises and enhances the seventh edition of this Recommendation | International Standard. Th

40、is eighth edition specifies versions 1 and 2 of the Directory protocols. The first and second editions specified only version 1. Most of the services and protocols specified in this edition are designed to function under version 1. However some enhanced services and protocols, e.g., signed errors, w

41、ill not function unless all Directory entities involved in the operation have negotiated version 2. Whichever version has been negotiated, differences between the services and between the protocols defined in the eight editions, except for those specifically assigned to version 2, are accommodated u

42、sing the rules of extensibility defined in this edition of Rec. ITU-T X.519 | ISO/IEC 9594-5. Annex A, which is an integral part of this Recommendation | International Standard, provides the ASN.1 module for the common specifications for the Directory protocols. Annex B, which is an integral part of

43、 this Recommendation | International Standard, provides the ASN.1 module for the OSI protocol specification. Annex C, which is an integral part of this Recommendation | International Standard, provides the ASN.1 module for the Directory OSI protocols. Annex D, which is an integral part of this Recom

44、mendation | International Standard, provides the ASN.1 module for the IDM protocol specification. Annex E, which is an integral part of this Recommendation | International Standard, provides the ASN.1 module for the Directory IDM protocols. Annex F, which is an integral part of this Recommendation |

45、 International Standard, provides the ASN.1 module which contains all the ASN.1 object identifiers assigned to identify operational binding types in this series of Recommendations | International Standards. Annex G, which is not an integral part of this Recommendation | International Standard, lists

46、 the amendments and defect reports that have been incorporated to form this edition of this Recommendation | International Standard. BS ISO/IEC 95945:2017BS ISO/IEC 95945:2017ISO/IEC 9594-5:2017 (E) Rec. ITU-T X.519 (10/2016) 1 INTERNATIONAL STANDARD RECOMMENDATION ITU-T Information technology Open

47、Systems Interconnection The Directory: Protocol specifications 1 Scope This Recommendation | International Standard specifies the Directory Access Protocol, the Directory System Protocol, the Directory Information Shadowing Protocol, and the Directory Operational Binding Management Protocol which fu

48、lfil the abstract services specified in Rec. ITU-T X.511 | ISO/IEC 9594-3, Rec. ITU-T X.518 | ISO/IEC 9594-4, Rec. ITU-T X.525 | ISO/IEC 9594-9, and Rec. ITU-T X.501 | ISO/IEC 9594-2. 2 References 2.1 Normative references The following Recommendations and International Standards contain provisions w

49、hich, through reference in this text, constitute provisions of this Recommendation | International Standard. At the time of publication, the editions indicated were valid. All Recommendations and Standards are subject to revision, and parties to agreements based on this Recommendation | International Standard are encouraged to investigate the possibility of applying the most recent edition of the Recommendations and Standards listed below. Members of IEC and ISO mai