1、Information technology Open Systems Interconnection The Directory Part 9: Replication BS ISO/IEC 9594-9:2017 BSI Standards Publication WB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06Information technology Open Systems Interconnection The Directory Part 9: Replication Technologies de linform
2、ation Interconnexion de systmes ouverts (OSI) L annuaire Partie 9: Duplication INTERNATIONAL STANDARD ISO/IEC 9594-9 Reference number ISO/IEC 9594-9:2017(E) Seventh edition 2017-05 ISO/IEC 2017 National foreword This British Standard is the UK implementation of ISO/IEC 9594-9:2017. It supersedes BS
3、ISO/IEC 9594-9:2014, which is withdrawn.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 does not purport to include all the ne
4、cessary 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 96324 7 ICS 35.100.70 Compliance with a British Standard cannot confer immunity from legal obligations. This British Stan
5、dard 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 9594-9:2017Information technology Open Systems Interconnection The Directory Part 9: Replication Techno
6、logies de linformation Interconnexion de systmes ouverts (OSI) L annuaire Partie 9: Duplication INTERNATIONAL STANDARD ISO/IEC 9594-9 Reference number ISO/IEC 9594-9:2017(E) Seventh edition 2017-05 ISO/IEC 2017 BS ISO/IEC 9594-9:2017 ii ISO/IEC 2017 All rights reserved COPYRIGHT PROTECTED DOCUMENT I
7、SO/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 posting on the internet or an intranet, without prior written p
8、ermission. 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 +41 22 749 09 47 copyrightiso.org www.iso.org ISO/IEC 9594-9
9、:2017(E) BS ISO/IEC 9594-9:2017 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 utilized otherwise in any form or by any means, electronic or mech
10、anical, 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 office Ch. de Blandonnet 8 CP 401 CH-1214 Vernier, Geneva,
11、Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 copyrightiso.org www.iso.org ISO/IEC 9594-9:2017(E)ISO/IEC 9594-9:2017(E) ISO/IEC 2017 All rights reserved ii-1 Foreword ISO (the I nternation al O rgani z atio n fo r Standardization) a nd I EC (the I nter nation al E lec trotechnical Co m m is
12、 s io n ) f o r m th e s pe c ia l iz e d s ystem for worldwide s tandardi zation. N ational bo dies that are mem b ers of I SO o r IEC participate in t he d evelop ment o f Int e rna t i o n a l St a n d a r d s t h r o u g h t e c h n i c a l committ ees e stablished b y the resp ective o r g an i
13、zation to d eal w i t h p a r t i c u l a r f i e l d s o f t e c h n i c a l a c t i v i t y . I SO and IEC technical committees collaborate i n field s of m utual interest. Other internati onal organiz a tio n s, g overn m ental and no ngovern mental, in l ia is o n w ith I SO a n d I E C , a l s
14、o take p art in the w ork. I n the field of i nformatio n technolo g y, I SO a n d I E C h a v e e s t a b l i s h e d a jo i n t technical committee, ISO /IEC J TC 1. The pr ocedu r es used to d evelop this document a nd those i nt ended f or i t s f ur t h e r ma i nt e n a nc e a r e d e s c r i
15、be d i n t h e I S O / I E C Di r e c t i ves, Part 1. In p articular 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 editorial ru l e s of the ISO /I EC Directives, Part 2 (see www.iso.org/direc
16、tives ). A t t e n t i o n i s d rawn to t he possi bility t hat some o f the el ements o f t h i s d o c 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 h eld r e sponsible f or identifying a ny o r all such patent r i g ht s . De t a i l s of a ny p a t e nt r i g h
17、t s i d e nt i f i e d d ur i ng t he d e v el opment o f th e document w ill be i n the Introduction and/or on t he ISO list of patent declarations rec eived (see ww w.iso.org/patents ). Any t r ade n a me u sed in this document is information given for th e co n v e n i e n c e o f u s e r s a n d
18、 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 expressions related t o c on f or mi t y a s s e s s m e nt, a s well as informati o n a b o u t I S O s a d h e r e n c e t o t h e W o r l d T r a d e O r g a n i z a t i o n ( W T O ) p
19、 r i n c i p l e s i n t h e T e c h n i c a l B a r r i e r s t o T r a d e ( T B T ) s e e t h e f o l lowing URL: www.iso.org/iso/foreword.html. T h i s s eve nt h ed i t i on c a nc el s a nd r ep l a c es t h e s i x t h ed i t i on ( I S O / IEC 95 94 9: 20 14), which has be en t e c h n i c a
20、 l l y r e v i s e d . e v This d ocum ent was pr e p ared b y IS O/IEC J T C 1, Information technology , SC 6, Telecommunications and information exchange between systems , in c o l l a b o r a tio n w ith I T U T . T h e id e n tic a l te x t is published as ITU T X.5 25 (10/ 20 16). A list of all
21、 part s in t he I SO/I E C 9 59 4 se rie s, publishe d unde r t h e g e n e r a l t i tl e Information technology Open Systems Interconnection The Directory , c a n be fou nd on th e ISO w e bsite. BS ISO/IEC 9594-9:2017 BS ISO/IEC 9594-9:2017 Rec. ITU-T X.525 (10/2016) iii CONTENTS Page 1 Scope 1 2
22、 Normative references 1 2.1 Identical Recommendations | International Standards 1 3 Definitions 1 3.1 Basic Directory definitions 1 3.2 Directory model definitions 2 3.3 Abstract service definitions . 2 3.4 Distributed operation definitions . 2 3.5 Protocol definitions . 2 3.6 Replication definition
23、s 2 4 Abbreviations . 3 5 Conventions 3 6 Replication in the Directory . 4 6.1 Caching . 4 6.2 Shadowing . 4 6.3 Shadowing functional model . 5 7 Shadowing in the Directory 6 7.1 Shadowing agreement . 6 7.2 Shadowed information 7 7.3 Shadow operations 10 7.4 DSA Shadow Bind and DSA Shadow Unbind ope
24、ration 11 8 Shadow operational binding . 11 8.1 Shadow operational binding type characteristics 11 8.2 DSA procedures for operational binding management . 12 8.3 Operational binding . 13 9 Shadowing agreement 14 9.1 Shadowing agreement specification 14 9.2 Unit of replication . 15 9.3 Update mode .
25、20 10 Directory information shadow service 21 10.1 Shadow supplier initiated service 21 10.2 Shadow consumer initiated service . 22 11 Shadow operations . 22 11.1 Coordinate Shadow Update operation . 22 11.2 Request Shadow Update operation 24 11.3 Update Shadow operation . 26 12 Shadow error 29 12.1
26、 Shadow error problems . 30 12.2 Last update 30 12.3 Update window . 30 12.4 Common results 30 Annex A Directory shadow abstract service in ASN.1 . 31 Annex B Amendments and corrigenda . 37 BS ISO/IEC 9594-9:2017 iv Rec. ITU-T X.525 (10/2016) Introduction This Recommendation | International Standard
27、, 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 viewed as an integrated whole, c
28、alled 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. The Directory plays a significan
29、t 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; of different levels of complexit
30、y; and of different ages. This Recommendation | International Standard defines the replication capabilities provided by Directory system agents (DSAs) to improve the level of service to Directory users. This Recommendation | International Standard provides the foundation frameworks upon which indust
31、ry profiles can be defined 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 | I
32、nternational Standard. This 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 protoco
33、ls, e.g., signed errors, will 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 ver
34、sion 2, are accommodated using the rules of extensibility defined in 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 Directory shadow abstract service. Annex B, which is not an integral part of t
35、his Recommendation | International Standard, lists the amendments and defect reports that have been incorporated to form this edition of this Recommendation | International Standard. BS ISO/IEC 9594-9:2017 iv Rec. ITU-T X.525 (10/2016) Introduction This Recommendation | International Standard, toget
36、her 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 viewed as an integrated whole, called t
37、he 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. The Directory plays a significant role
38、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; of different levels of complexity; and
39、of different ages. This Recommendation | International Standard defines the replication capabilities provided by Directory system agents (DSAs) to improve the level of service to Directory users. This Recommendation | International Standard provides the foundation frameworks upon which industry prof
40、iles can be defined 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 | Internat
41、ional Standard. This 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
42、., signed errors, will 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,
43、 are accommodated using the rules of extensibility defined in 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 Directory shadow abstract service. Annex B, which is not an integral part of this Rec
44、ommendation | International Standard, lists the amendments and defect reports that have been incorporated to form this edition of this Recommendation | International Standard. ISO/IEC 9594-9:2017 (E) Rec. ITU-T X.525 (10/2016) 1 INTERNATIONAL STANDARD ITU-T RECOMMENDATION Information technology Open
45、 Systems Interconnection The Directory: Replication 1 Scope This Recommendation | International Standard specifies a shadow service which Directory system agents (DSAs) may use to replicate Directory information. The service allows Directory information to be replicated among DSAs to improve service
46、 to Directory users. The shadowed information is updated, using the defined protocol, thereby improving the service provided to users of the Directory. 2 Normative references The following Recommendations and International Standards contain provisions which, through reference in this text, constitut
47、e 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 po
48、ssibility of applying the most recent edition of the Recommendations and Standards listed below. Members of IEC and ISO maintain registers of currently valid International Standards. The Telecommunication Standardization Bureau of the ITU maintains a list of currently valid ITU-T Recommendations. 2.
49、1 Identical Recommendations | International Standards Recommendation ITU-T X.500 (2016) | ISO/IEC 9594-1:2017, Information technology Open Systems Interconnection The Directory: Overview of concepts, models and services. Recommendation ITU-T X.501 (2016) | ISO/IEC 9594-2:2017, Information technology Open Systems Interconnection The Directory: Models. Recommendation ITU-T X.509 (2016) | ISO/IEC 9594-8:2017, Information technology Open Systems Interconnection The Directory: Publi
