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1、Reference number ISO/IEC 15955:1999(E) ISO/IEC 1999 INTERNATIONAL STANDARD ISO/IEC 15955 First edition 1999-12-15 Information technology Open Systems Interconnection Connectionless protocol for the Application Service Object Association Control Service Element Technologies de linformation Interconne
2、xion des systmes ouverts Protocole en mode sans connexion pour llment de service de contrle dassociation des objets de service dapplication ISO/IEC 15955:1999(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file may be printed or viewe
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5、r use by ISO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. ISO/IEC 1999 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any me
6、ans, electronic or mechanical, including photocopying and microfilm, without permission 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 22 734 10 79 E-mail co
7、pyrightiso.ch Web www.iso.ch Printed in Switzerland ii ISO/IEC 1999 All rights reserved ISO/IEC 15955:1999(E) ISO/IEC 1999 All rights reservediii CONTENTS Page 1 Scope 1 2 Normative references 1 2.1 Identical ITU-T Recommendations | International Standards. 1 2.2 Paired ITU-T Recommendations | Inter
8、national Standards equivalent in technical content. 2 3 Definitions 3 3.1 Reference model definitions 3 3.2 Naming and addressing definitions. 3 3.3 Service conventions definitions. 3 3.4 Presentation service definitions. 3 3.5 ACSE service definitions 4 3.6 Application Layer Structure definitions 4
9、 4 Abbreviations . 4 4.1 Data Units 4 4.2 Types of application-protocol-data-units 4 4.3 Other abbreviations. 5 5 Conventions 5 6 Overview of the protocol 5 6.1 Service provision. 5 6.2 Use of a supporting service. 5 6.3 Model 6 7 Elements of procedure 6 7.1 A-UNIT-DATA transfer . 6 7.1.1 Purpose 6
10、7.1.2 APDUs used 6 7.1.3 A-UNIT-DATA transfer procedure. 6 7.1.4 Use of the AUDT APDU fields. 7 7.1.5 Collisions and interactions 10 7.2 Rules for extensibility . 10 8 Mapping to the supporting service . 10 8.1 IA-UNIT-DATA.submit 10 8.1.1 When Invoked. 10 8.1.2 Action upon Receipt 10 8.2 IA-UNIT-DA
11、TA.deliver. 10 8.2.1 When Invoked. 10 8.2.2 Action upon Receipt 10 8.2.3 IA-UNIT-DATA Parameters. 10 ISO/IEC 15955:1999(E) iv ISO/IEC 1999 All rights reserved Page 9 Abstract Syntax Definition of APDUs . 11 10 Conformance 12 10.1 Statement requirements. 12 10.2 Static requirements 12 10.3 Dynamic re
12、quirements. 12 11 Precedence 12 Annex A State table 13 A.1 General 13 A.2 Conventions. 13 A.3 Actions to be taken by the ACPM. 13 A.4 Relationship to Presentation and other ASEs 13 Annex B Summary of Assigned Object Identifier values. 15 Annex C Specification of IA-Service Mapping to the Presentatio
13、n and ACSE Service 16 ISO/IEC 15955:1999(E) ISO/IEC 1999 All rights reservedv Foreword ISO (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 o
14、r IEC participate in the development of International Standards through technical committees 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,
15、governmental and non-governmental, in liaison with ISO and IEC, also take part in the work. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 3. In the field of information technology, ISO and IEC have established a joint technical committee, ISO/
16、IEC JTC 1. 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 el
17、ements 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. International Standard ISO/IEC 15955 was prepared by Joint Technical Committee ISO/IEC JTC 1,Information technology, in collaboration wi
18、th ITU-T. The identical text is published as ITU-T Recommendation X.237 bis. This first edition of ISO/IEC 15955 cancels and replaces ISO/IEC 10035-1:1995 and its Amendment 1:1997, of which it constitutes a technical revision. Annexes A and C form a normative part of this International Standard. Ann
19、ex B is for information only. ISO/IEC 15955:1999(E) vi ISO/IEC 1999 All rights reserved Introduction This Recommendation | International Standard is one of a set of Recommendations | International Standards produced to facilitate the interconnection of information processing systems. It is related t
20、o other ITU-T Recommendations | International Standards in the set as defined by the Reference Model for Open Systems Interconnection (see ITU-T Rec. X.200 | ISO/IEC 7498-1). The reference model subdivides the areas of standardization for interconnection into a series of layers of specification, eac
21、h of manageable size. The goal of Open Systems Interconnection is to allow, with a minimum of technical agreement outside the Interconnection standards, the interconnection of information processing systems: from different manufacturers; under different managements; of different levels of complexity
22、; and of different technologies. This Recommendation | International Standard specifies the protocol for the A-UNIT-DATA service for the Association Control Service Element (ACSE). The A-UNIT-DATA service provides for information transfer between application-entities utilizing the connectionless pre
23、sentation service. This service is intended to be applicable to a wide range of application process communication requirements. This Recommendation | International Standard includes an Annex A that describes the protocol machine of ACSE in terms of a state table. This protocol machine is referred to
24、 as the Association Control Protocol Machine (ACPM). ISO/IEC 15955 : 1999 (E) ITU-T Rec. X.237 bis (1998 E) 1 INTERNATIONAL STANDARD ISO/IEC 15955 : 1999 (E) ITU-T Rec. X.237 bis (1998 E) ITU-T RECOMMENDATION INFORMATION TECHNOLOGY OPEN SYSTEMS INTERCONNECTION CONNECTIONLESS PROTOCOL FOR THE APPLICA
25、TION SERVICE OBJECT ASSOCIATION CONTROL SERVICE ELEMENT 1 Scope This Recommendation | International Standard specifies: a) procedures for the transfer of information among application-service-objects (ASOs); and b) the abstract and concrete syntax for the representation of the A-UNIT-DATA ACSE APDU.
26、 The A-UNIT-DATA procedure is defined in terms of: a) The interactions between peer ACSE protocol machines by the use of a supporting service; and b) the interaction between an ACSE protocol machine, its service-provider and its service-user. These procedures are applicable to instances of communica
27、tion between systems which wish to communicate in an open systems interconnection environment in a connectionless mode. This Recommendation | International Standard also specifies conformance requirements for systems implementing this procedure. It does not contain tests which can be used to demonst
28、rate conformance. 2 Normative references The following Recommendations and International Standards contain provisions which, through reference in this text, constitute provisions of this Recommendation | International Standard. At this time of publication, the editions indicated were valid. All Reco
29、mmendations 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 maintain regi
30、sters of currently valid International Standards. The Telecommunication Standardization Bureau of the ITU maintains a list of currently valid ITU-T Recommendations. 2.1 Identical Recommendations | International Standards ITU-T Recommendation X.200 (1994) | ISO/IEC 7498-1:1994, Information technology
31、 Open Systems Interconnection Basic reference model: The basic model. ITU-T Recommendation X.207 (1993) | ISO/IEC 9545:1994, Information technology Open Systems Interconnection Application layer structure. ITU-T Recommendation X.210 (1993) | ISO/IEC 10731:1994, Information technology Open Systems In
32、terconnection Basic Reference Model: Conventions for the definition of OSI services. ITU-T Recommendation X.215 (1995) | ISO/IEC 8326:1996, Information technology Open Systems Interconnection Session service definition. ITU-T Recommendation X.215 (1995)/Amd.1 (1997) | ISO/IEC 8326:1996/Amd.1:1998, I
33、nformation technology Open Systems Interconnection Session service definition Amendment 1: Efficiency enhancements. ITU-T Recommendation X.215 (1995)/Amd.2 (1997) | ISO/IEC 8326:1996/Amd.2:1998, Information technology Open Systems Interconnection Session service definition Amendment 2: Nested connec
34、tions functional unit. ISO/IEC 15955 : 1999 (E) 2 ITU-T Rec. X.237 bis (1998 E) ITU-T Recommendation X.216 (1994) | ISO/IEC 8822:1994, Information technology Open Systems Interconnection Presentation service definition. ITU-T Recommendation X.216 (1994)/Amd.1 (1997) | ISO/IEC 8822:1994/Amd.1:1998, I
35、nformation technology Open Systems Interconnection Presentation service definition Amendment 1: Efficiency enhancements. ITU-T Recommendation X.216 (1994)/Amd.2 (1997) | ISO/IEC 8822:1994/Amd.2:1998, Information technology Open Systems Interconnection Presentation service definition Amendment 2: Nes
36、ted connections functional unit. ITU-T Recommendation X.217 bis (1998) | ISO/IEC 15953:1999, Information technology Open Systems Interconnection Service definition for the Application Service Object Association Control Service Element. ITU-T Recommendation X.227 bis (1998) | ISO/IEC 15954:1999, Info
37、rmation technology Open Systems Interconnection Connection-mode protocol for the Application Service Object Association Control Service Element. ITU-T Recommendation X.257 (1995) | ISO/IEC 10035-2:1995, Information technology Open Systems Interconnection Connectionless protocol for the association c
38、ontrol service element: Protocol Implementation Conformance Statement (PICS) proforma. ITU-T Recommendation X.650 (1996) | ISO/IEC 7498-3:1997, Information technology Open Systems Interconnection Basic Reference Model: Naming and addressing. CCITT Recommendation X.660 (1992) | ISO/IEC 9834-1:1993, I
39、nformation technology Open Systems Interconnection Procedures for the operation of OSI Registration Authorities: General procedures. CCITT Recommendation X.665 (1992) | ISO/IEC 9834-6:1993, Information technology Open Systems Interconnection Procedures for the operation of OSI Registration Authoriti
40、es: Application processes and application entities. ITU-T Recommendation X.680 (1994) | ISO/IEC 8824-1:1995, Information technology Abstract Syntax Notation One (ASN.1): Specification of basic notation. ITU-T Recommendation X.680 (1994)/Amd.1 (1995) | ISO/IEC 8824-1:1995/Amd.1:1996, Information tech
41、nology Abstract Syntax Notation One (ASN.1): Specification of basic notation Amendment 1: Rules of extensibility. 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.681 (1994)/
42、Amd.1 (1995) | ISO/IEC 8824-2:1995/Amd.1:1996, Information technology Abstract Syntax Notation One (ASN.1) Information object specification Amendment 1: Rules of extensibility. ITU-T Recommendation X.682 (1994) | ISO/IEC 8824-3:1995, Information technology Abstract Syntax Notation One (ASN.1): Const
43、raint specification. 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
44、Basic Encoding Rules (BER), Canonical Encoding Rules (CER) and Distinguished Encoding Rules (DER). ITU-T Recommendation X.691 (1995) | ISO/IEC 8825-2:1996, Information technology ASN.1 encoding rules Specification of Packed Encoding Rules (PER). 2.2 Paired Recommendations | International Standards e
45、quivalent in technical content CCITT Recommendation X.209 (1988), Specification of basic encoding rules for Abstract Syntax Notation One (ASN.1). ISO/IEC 8825:1990, Information technology Open Systems Interconnection Specification of Basic Encoding Rules for Abstract Syntax Notation One (ASN.1). CCI
46、TT Recommendation X.800 (1991), Security architecture for Open Systems Interconnection for CCITT applications. ISO 7498-2:1989, Information processing systems Open Systems Interconnection Basic Reference Model Part 2: Security Architecture. ISO/IEC 15955 : 1999 (E) ITU-T Rec. X.237 bis (1998 E) 3 3
47、Definitions For the purposes of this Recommendation | International Standard, the following definitions apply. 3.1 Reference model definitions This Recommendation | International Standard is based on the concepts developed in ITU-T Rec. X.200 | ISO/IEC 7498-1 and makes use of the following terms def
48、ined in them. a) Application Layer; b) application-process; c) application-entity; d) application-service-element; e) application-protocol-data-unit; f) connectionless-mode presentation-service; g) connectionless-mode session-service; and h) (N)-connectionless-mode transmission. 3.2 Naming and addre
49、ssing definitions This Recommendation | International Standard makes use of the following terms defined in ITU-T Rec. X.650 | ISO/IEC 7498-3. a) application-entity qualifier; b) application-entity invocation-identifier; c) application-process title; d) application-process invocation-identifier; and e) presentation address. 3.3 Service conventions definitions This Recommendation | Internat