ITU-T X 722 CORR 2-2000 SERIES X DATA NETWORKS AND OPEN SYSTEM COMMUNICATIONS OSI management C Structure of Management Information Information technology C Open Systems Interconnecid.pdf

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1、 INTERNATIONAL TELECOMMUNICATION UNION ITU-T X.722TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU Corrigendum 2(02/2000) SERIES X: DATA NETWORKS AND OPEN SYSTEM COMMUNICATIONS OSI management Structure of Management Information Information technology Open Systems Interconnection Structure of manageme

2、nt information: Guidelines for the definition of managed objects Technical Corrigendum 2: Revision of GDMO to include ASN.1:1997 ITU-T Recommendation X.722 (1992) Corrigendum 2(Formerly CCITT Recommendation) ITU-T X-SERIES RECOMMENDATIONS DATA NETWORKS AND OPEN SYSTEM COMMUNICATIONS PUBLIC DATA NETW

3、ORKS Services and facilities X.1X.19 Interfaces X.20X.49 Transmission, signalling and switching X.50X.89 Network aspects X.90X.149 Maintenance X.150X.179 Administrative arrangements X.180X.199 OPEN SYSTEMS INTERCONNECTION Model and notation X.200X.209 Service definitions X.210X.219 Connection-mode p

4、rotocol specifications X.220X.229 Connectionless-mode protocol specifications X.230X.239 PICS proformas X.240X.259 Protocol Identification X.260X.269 Security Protocols X.270X.279 Layer Managed Objects X.280X.289 Conformance testing X.290X.299 INTERWORKING BETWEEN NETWORKS General X.300X.349 Satelli

5、te data transmission systems X.350X.369 IP-based networks X.370X.399 MESSAGE HANDLING SYSTEMS X.400X.499 DIRECTORY X.500X.599 OSI NETWORKING AND SYSTEM ASPECTS Networking X.600X.629 Efficiency X.630X.639 Quality of service X.640X.649 Naming, Addressing and Registration X.650X.679 Abstract Syntax Not

6、ation One (ASN.1) X.680X.699 OSI MANAGEMENT Systems Management framework and architecture X.700X.709 Management Communication Service and Protocol X.710X.719 Structure of Management Information X.720X.729 Management functions and ODMA functions X.730X.799 SECURITY X.800X.849 OSI APPLICATIONS Commitm

7、ent, Concurrency and Recovery X.850X.859 Transaction processing X.860X.879 Remote operations X.880X.899 OPEN DISTRIBUTED PROCESSING X.900X.999 For further details, please refer to the list of ITU-T Recommendations. ITU-T X.722 (1992)/Cor.2 (02/2000 E) i INTERNATIONAL STANDARD ISO/IEC 10165-4 ITU-T R

8、ECOMMENDATION X.722 INFORMATION TECHNOLOGY OPEN SYSTEMS INTERCONNECTION STRUCTURE OF MANAGEMENT INFORMATION: GUIDELINES FOR THE DEFINITION OF MANAGED OBJECTS TECHNICAL CORRIGENDUM 2 Revision of GDMO to include ASN.1: 1997 Summary CCITT Rec. X.722 | ISO/IEC 10165-4 provides developers of Recommendati

9、ons | International Standards, that contain managed object definitions, with guidance that will: a) encourage consistency between managed object definitions; b) ensure the developement of such definitions in a manner compatible with the OSI management of Recommendations | International Standards; c)

10、 reduce duplication of effort in other working groups by identifying commonly useful documentation layouts, procedures and definitions. This technical corrigendum revises the text to include ASN.1:1997 in clauses 2.1 and 2.2. Source Corrigendum 2 to ITU-T Recommendation X.722 was prepared by ITU-T S

11、tudy Group 4 (1997-2000) and approved on 4 February 2000. An identical text is also published as Technical Corrigendum 2 to ISO/IEC 10165-4. ii ITU-T X.722 (1992)/Cor.2 (02/2000 E) FOREWORD The International Telecommunication Union (ITU) is the United Nations specialized agency in the field of telec

12、ommunications. The ITU Telecommunication Standardization Sector (ITU-T) is a permanent organ of ITU. ITU-T is responsible for studying technical, operating and tariff questions and issuing Recommendations on them with a view to standardizing telecommunications on a worldwide basis. The World Telecom

13、munication Standardization Conference (WTSC), which meets every four years, establishes the topics for study by the ITU-T study groups which, in turn, produce Recommendations on these topics. The approval of ITU-T Recommendations is covered by the procedure laid down in WTSC Resolution 1. In some ar

14、eas of information technology which fall within ITU-Ts purview, the necessary standards are prepared on a collaborative basis with ISO and IEC. NOTE In this Recommendation, the expression “Administration“ is used for conciseness to indicate both a telecommunication administration and a recognized op

15、erating agency. INTELLECTUAL PROPERTY RIGHTS ITU draws attention to the possibility that the practice or implementation of this Recommendation may involve the use of a claimed Intellectual Property Right. ITU takes no position concerning the evidence, validity or applicability of claimed Intellectua

16、l Property Rights, whether asserted by ITU members or others outside of the Recommendation development process. As of the date of approval of this Recommendation, ITU had not received notice of intellectual property, protected by patents, which may be required to implement this Recommendation. Howev

17、er, implementors are cautioned that this may not represent the latest information and are therefore strongly urged to consult the TSB patent database. ITU 2002 All rights reserved. No part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, includ

18、ing photocopying and microfilm, without permission in writing from ITU. ITU-T X.722 (1992)/Cor.2 (02/2000 E) iii CONTENTS Page 1) Subclause 2.1 1 2) Subclause 2.2 1 3) Subclause 3.7 2 4) New subclause 3.8 2 5) Subclause 6.4 2 6) Clause 8 2 7) Subclause 8.2 2 8) Subclause 8.5.1. 2 9) Subclause 8.5.1.

19、1.1. 2 10) Clause 9 3 11) Subclause A.3. 3 12) Subclause B.6.1 3 13) Subclause B.6.5 3 ISO/IEC 10165-4:1992/Cor. 2:2002 (E) ITU-T X.722 (1992)/Cor.2 (02/2000 E) 1 INTERNATIONAL STANDARD ITU-T RECOMMENDATION INFORMATION TECHNOLOGY OPEN SYSTEMS INTERCONNECTION STRUCTURE OF MANAGEMENT INFORMATION: GUID

20、ELINES FOR THE DEFINITION OF MANAGED OBJECTS TECHNICAL CORRIGENDUM 2 Revision of GDMO to include ASN.1:1997 1) Subclause 2.1 Apply the following changes: Replace: ITU-T Recommendation X.680 (1995) | ISO/IEC 8824-1:1995, Information technology Abstract Syntax Notation One (ASN.1) Specification of bas

21、ic notation. ITU-T Recommendation X.681 (1994) | ISO/IEC 8824-2:1995, Information technology Abstract Syntax Notation One (ASN.1) Information object specification. ITU-T Recommendation X.682 (1994) | ISO/IEC 8824-3:1995, Information technology Abstract Syntax Notation One (ASN.1) Constraint specific

22、ation. ITU-T Recommendation X.683 (1994) | ISO/IEC 8824-4:1995, Information technology Abstract Syntax Notation One (ASN.1) Parameterization of ASN.1 specifications. ITU-T Recommendation X.690 (1994) | ISO/IEC 8825-1:1995, Information technology ASN.1 encoding rules Specification of Basic Encoding R

23、ules (BER), Canonical Encoding Rules (CER) and Distinguished Encoding Rules (DER). ITU-T Recommendation X.691 (1995) | ISO/IEC 8825-2:1995, Information technology ASN.1 encoding rules Specification of Packed Encoding Rules (PER). with: ITU-T Recommendation X.680 (1997) | ISO/IEC 8824-1:1998, Informa

24、tion technology Abstract Syntax Notation One (ASN.1): Specification of basic notation. ITU-T Recommendation X.681 (1997) | ISO/IEC 8824-2:1998, Information technology Abstract Syntax Notation One (ASN.1): Information object specification. ITU-T Recommendation X.682 (1997) | ISO/IEC 8824-3:1998, Info

25、rmation technology Abstract Syntax Notation One (ASN.1): Constraint specification. ITU-T Recommendation X.710 (1997) | ISO/IEC 9595:1998, Information technology Open Systems Interconnection Common Management Information service. ITU-T Recommendation X.711 (1997) | ISO/IEC 9596-1:1998, Information te

26、chnology Open Systems Interconnection Common Management Information Protocol: Specification. 2) Subclause 2.2 Remove the following paired references: CCITT Recommendation X.208 (1988), Specification of abstract syntax notation one (ASN.1). ISO/IEC 8824:1990, Information technology Open Systems Inter

27、connection Specification of Abstract Syntax Notation One (ASN.1). CCITT Recommendation X.710 (1991), Common Management Information Service Definition for CCITT Applications. ISO/IEC 9595:1990, Information technology Open Systems Interconnection Common management information service definition. ISO/I

28、EC 10165-4:1992/Cor. 2:2002 (E) 2 ITU-T X.722 (1992)/Cor.2 (02/2000 E) CCITT Recommendation X.711 (1991), Common Management Information Protocol Specification for CCITT Applications. ISO/IEC 9596-1:1991, Information technology Open Systems Interconnection Common management information protocol Part

29、1: Specification. 3) Subclause 3.7 Replace CCITT Rec. X.208 and ISO/IEC 8824 with ITU-T Rec. X.680 | ISO/IEC 8824-1. 4) New subclause 3.8 Insert the following new subclause and renumber the following subclauses accordingly: 3.8 ASN.1 information object class definitions This Recommendation | Interna

30、tional Standard makes use of the following terms defined in ITU-T Rec. X.681 | ISO/IEC 8824-2: a) information object class; b) value set field; c) variable-type. 5) Subclause 6.4 Replace all occurrences of CCITT Rec. X.208 and ISO/IEC 8824 with ITU-T Rec. X.680 | ISO/IEC 8824-1. 6) Clause 8 Insert t

31、he following paragraph between the title of clause 8 and the title of subclause 8.1: The GDMO templates defined in this Recommendation | International Standard may be used to specify Action types, Attribute types, Event report types and their associated ASN.1 type definitions, as an alternative to u

32、sing the Information Object Class definitions specified in ITU-T Rec. X.711 | ISO/IEC 9596-1. 7) Subclause 8.2, item f) Replace both occurrences of CCITT Rec. X.208 and ISO/IEC 8824 with ITU-T Rec. X.680 | ISO/IEC 8824-1. 8) Subclause 8.5.1 Replace: The type specified in a Parameter template is used

33、 to fill in an ANY DEFINED BY x construct in a management PDU, where x is a field in the PDU that carries the object identifier assigned to the parameter. with: The type specified in a Parameter template defines the type of the variable-type value set field in an information object class, as defined

34、 in ITU-T Rec. X.681 | ISO/IEC 8824-2. This field is carried in a management PDU when that PDU carries the object identifier value assigned to that template in the context specified in that template. 9) Subclause 8.5.1.1.1 Replace: The context is unambiguously identified by the management PDU if and

35、 only if the ANY DEFINED BY construct appears in that PDU exactly once. ISO/IEC 10165-4:1992/Cor. 2:2002 (E) ITU-T X.722 (1992)/Cor.2 (02/2000 E) 3 with: The context is unambiguously identified by the management PDU if and only if the PDU contains exactly one variable-type value set field. 10) Claus

36、e 9 Replace the following (including the footnote): NOTE ISO/IEC JTC 1/SC 21 rules dictate a periodic review for renewal of the ASN.1:1990 International Standards every one (1) year1). National Bodies are asked to consider the above when reviewing the ASN.1:1990 standards. This ensures that the ASN.

37、1:1990 standards are retained as long as needed. Related footnote: 1)ISO/IEC JTC 1/SC 21 (SC21) reaffirmed the continuation of availability of the ASN.1:1990 standards for reasons of conformance and interpretability (in SC21 N 9001 rev). SC21 requested its WGs to continue to maintain these standards

38、. An SC21 resolution to continue maintenance will be conducted at each SC21 meeting (currently, once a year). with: NOTE ASN.1:1994 is used to mean the language specified by the 1994 or later versions of ITU-T Rec. X.680 | ISO/IEC 8824-1 and ASN.1:1990 means the language specified by CCITT Rec. X.20

39、8 and ISO/IEC 8824 which is now obsolete but previously was identified as “CCITT Recommendation X.208 (1988), Specification of Abstract Syntax Notation One (ASN.1)“ or “ISO/IEC 8824:1990, Information technology Open Systems Interconnection Specification of Abstract Syntax Notation One (ASN.1)“. 11)

40、Subclause A.3 Replace the production for SpecificErrorInfo with the following ASN.1 production: SpecificErrorInfo := SEQUENCE errorId CMIP-SPECIFICERROR.&id (SpecificErrorSet), errorInfo CMIP-SPECIFICERROR.&Value (SpecificErrorSet .errorId) 12) Subclause B.6.1 Replace the following: Any ASN.1 allows

41、 a special type ANY which can contain any other ASN.1 type at all. Such a type is not allowed within Z and it would be difficult to extend it to include one. However given any known set of types, it is possible to define a Z free type which can include any of those other types. An alternative strate

42、gy is to define ANY as a given set for typechecking purposes. This is satisfactory as long as nothing else is done with it. The type AttributeValues usually replaces ANY. This is defined below. with: Open Types ASN.1 allows open types which can contain any other ASN.1 type at all. Such a type is not

43、 allowed within Z and it would be difficult to extend Z to include open types. However, given any known set of types, it is possible to define a Z free type which can include any of those other types. An alternative strategy is to define open type as a given set for typechecking purposes. This is sa

44、tisfactory as long as nothing else is done with it. The type AttributeValues usually replaces open type. This is defined below. 13) Subclause B.6.5 Replace: As mentioned above, it is difficult to model ASN.1 type ANY in Z. with: As mentioned above, it is difficult to model ASN.1 open types in Z. Pri

45、nted in Switzerland Geneva, 2002 SERIES OF ITU-T RECOMMENDATIONS Series A Organization of the work of ITU-T Series B Means of expression: definitions, symbols, classification Series C General telecommunication statistics Series D General tariff principles Series E Overall network operation, telephon

46、e service, service operation and human factors Series F Non-telephone telecommunication services Series G Transmission systems and media, digital systems and networks Series H Audiovisual and multimedia systems Series I Integrated services digital network Series J Transmission of television, sound p

47、rogramme and other multimedia signals Series K Protection against interference Series L Construction, installation and protection of cables and other elements of outside plant Series M TMN and network maintenance: international transmission systems, telephone circuits, telegraphy, facsimile and leas

48、ed circuits Series N Maintenance: international sound programme and television transmission circuits Series O Specifications of measuring equipment Series P Telephone transmission quality, telephone installations, local line networks Series Q Switching and signalling Series R Telegraph transmission

49、Series S Telegraph services terminal equipment Series T Terminals for telematic services Series U Telegraph switching Series V Data communication over the telephone network Series X Data networks and open system communications Series Y Global information infrastructure and Internet protocol aspects Series Z Languages and general software aspects for telecommunication systems