ISO IEC 8882-2-2000 Information technology - Telecommunications and information exchange between systems - X 25 DTE conformance testing - Part 2 Data link layer.pdf
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1、 STD-ISO 8882-2-ENGL 2000 4853903 083239b 74b m INTERNATIONAL ISOIIEC STANDARD 888212 Third edition 2000-04-1 5 Information technology - Telecom m u n i ca t i o ns and i n format i o n exchange between systems - X.25 DTE conformance testing - Part 2: Data link layer conformance test suite Technolog
2、ies de /information - Tlcommunications et change dinformation entre systmes - Test de conformit X.25 DTE - Parfie 2: Suite dessais de conformit pour la couche liaison de donnes Reference number ISO/I EC 8882-2:2000( E) Q ISOIIEC 2000 INTERNATIONAL STANDARD ISOIIEC 888213 Third edition 2000-04-1 5 In
3、formation technology - Telecommunications and information exchange between systems - X.25 DTE conformance testing - Part 3: Packet layer conformance test suite Technologies de linformation - Tlcommunications et change dinformation entre systmes - Test de conformit X.25 DTE - Partie 3: Suite dessais
4、de conformit pour la couche paquet Reference number ISOA EC 8882-3:2000( E) 0 ISOIIEC 2000 STD-IS0 BBBZ-Z-ENGL 2000 4853903 0832398 519 INTERNATIONAL STANDARD ISO/IEC 888212 Third edition 2000-04-1 5 Information technology - Telecommunications and information exchange between systems - X.25 DTE conf
5、ormance testing - Part 2: Data link layer conformance test suite Technologies de linformation - Tlcommunications et change dinformation entre systmes - Test de conformit X.25 DTE - Partie 2: Suite dessais de conformit pour la couche liaison de donnes Reference number I SOIIEC 8882-2:2000( E) Q ISOII
6、EC 2000 STD-IS0 8882-2-ENGL 2000 4853903 0832399 455 = ISOIIEC 8882-2:2000(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
7、 installed on the computer performing the editing. In downloading this file, parties accept therein the responsibility of not infringing Adobes licensing policy. The IS0 Central Secretariat accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software
8、 products used to create this PDF file can be found in the General Info relative to the file; the PDF-crealion parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by IS0 member bodies. In the unlikely event that a problem relating to it is fo
9、und, please infonn the Central Secretariat at the address given below. O ISOIIEC 2000 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 permis
10、sion in writing from either IS0 at the address below or ISOs member body in the country of the requester. IS0 copyright office Case postale 56 CH-I21 1 Geneva 20 Tel. + 41 22 749 O1 11 Fax + 41 22 734 10 79 E-mail copynghtiso.ch Web www.iso.ch Printed in Switzerland O ISOAEC 2000 -All rights resewed
11、 STD-IS0 8882-2-ENGL 2000 4851903 0832200 TT m ISOIIEC 8882-2:2000() Contents Page 1 . SCOPE i 2 . NORMATIVE REFERENCES 2 3 . DEFINITIONS AND ABBREVIATIONS 2 3.1 REFERENCE MODEL DEFINITIONS 3 3.2 CONFORMANCE TESTING TERMS . 3 3.3 X.25-DTE CONFORMANCE TESTING TERMS 4 3.4 ADDITIONAL DEFINITIONS 4 3.5
12、ABBREVIATIONS . 4 4 . TEST SUITE INFORMATION 4 4.1 TEST SUITE STRUCTURE 4 4.2 DATA LINK LAYER TEST GROUPS AND SUBGROUPS . 5 4.3. METHOD FOR CONFORMANCE TESTING 5 4.4 TEST CASE NOTATION 5 4.5 PREAMBLE 6 4.6 VERIFICATION SEQUENCE . 6 4.7 IUT INITIATED ACTIONS 7 4.8 ACCEPTABLE UNEXPECTED IUT FRAMES . 7
13、 4.9 TRANSIENT STATES 7 4.10 UNREACHABLE STATES 7 4.1 1 DECLARATIONS 7 4.12 ENCODING AND ORDER OF BIT TRANSMISSION 7 4.13 PIXIT PROFORMA . 8 4.14 CLASSIFICATION OF IUT . 9 ANNEX A ABSTRACT TEST SUITE (ATS) . 10 A.l THE TTCN GRAPHICAL FORM (TTCN.GR) 1 0 A.2 THE TTCN MACHINE PROCESSABLE FORM (TTCN.MP)
14、 . 10 O ISO/IEC 2000 -All rights reserved iii STD.IS0 8882-2-ENGL 2000 H 4853903 0832201 933 ISOIIEC 8882-2:2000(E) Foreword IS0 (the International Organization for Standardization) and IEC (the International Electrotechnical Commission) form the specialized system for worldwide standardization. Nat
15、ional bodies that are members of IS0 or IEC participate in the development of International Standards through technical committees established by the respective organization to deal with particular fields of technical activity. IS0 and IEC technical committees collaborate in fields of mutual interes
16、t. Other international organizations, governmental and non-governmental, in liaison with IS0 and IEC, also take part in the work. International Standards are drafted in accordance with the rules given in the ISOIIEC Directives, Part 3. In the field of information technology, IS0 and IEC have establi
17、shed a joint technical committee, ISOIIEC 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
18、to the possibility that some of the elements of this part of ISO/IEC 8882-2 may be the subject of patent rights. IS0 and IEC shall not be held responsible for identifying any or all such patent rights. International Standard ISOIIEC 8882-2 was prepared by Joint Technical Committee ISOIIEC JTC 1, Inf
19、ormation technology, Subcommittee SC 6, Telecommunications and information exchange between systems. This third edition cancels and replaces the second edition (ISOllEC 8882-2:1995), which has been technically revised. ISOIIEC 8882 consists of the following parts, under the general title Information
20、 technology - Telecommunications and information exchange between systems - X.25 DTE conformance testing: - Part I: General principles - Pari 2: Data iink layer conformance test suite - Part 3: Packet layer conformance test suite Annex A forms a normative part of this part of ISO/IEC 8882. iv O ISO/
21、IEC 2000 -All rights reserved ISOIIEC 8882-2:2000(E) Introduction This part of ISOIIEC 8882 presents the X.25-DTE Conformance Test Suite for Data Link Layer, described in Tree and Tabular Combined Notation (TTCN). ISOiiEC 8882-1 explains the objectives and usage of this part of ISOiIEC 8882. Clause
22、1 of this part of ISOIIEC 8882-2 is the scope which provides an objective basis for the applicability of the tests within this part of ISO/IEC 8882. Clauses 2 and 3 give the references, definitions and abbreviations used in this part of ISOilEC 8882. Clause 4 contains information relating to procedu
23、res performed in conformance testing. The test suite structure is defined in terms of test groups and subgroups in Table 1. This clause also gives an overview of the test suite. Annex A provides information on the Abstract Test Suite for the X.25-DTE LAPB Data Link Layer protocol both in TTCN GR and
24、 TTCN MP format. O ISOIIEC 2000 -All rights reserved V STD.ISO 8882-2-ENGL 2000 4851903 0832203 0b INTERNATIONAL STANDARD ISOllEC 8882-2:2000(E) Information technology - Telecommunications and information exchange between systems - X.25 DTE conformance testing - Part 2: Data link layer conformance t
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