ITU-T Q 765 1 BIS-1999 Abstract test suite for the APM support of VPN applications (Study Group 11)《No 7信令系统 应用传输机制(APM) 带PSS1信息流的VPN应用的支持》.pdf

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1、 INTERNATIONAL TELECOMMUNICATION UNION Q.765.1 bisTELECOMMUNICATION STANDARDIZATION SECTOR OF ITU (12/1999) SERIES Q: SWITCHING AND SIGNALLING Specifications of Signalling System No. 7 ISDN user part Abstract test suite for the APM support of VPN applications ITU-T Recommendation Q.765.1 bis (Previo

2、usly CCITT Recommendation) ITU-T Q-SERIES RECOMMENDATIONS SWITCHING AND SIGNALLING For further details, please refer to ITU-T List of Recommendations.SIGNALLING IN THE INTERNATIONAL MANUAL SERVICE Q.1Q.3 INTERNATIONAL AUTOMATIC AND SEMI-AUTOMATIC WORKING Q.4Q.59 FUNCTIONS AND INFORMATION FLOWS FOR S

3、ERVICES IN THE ISDN Q.60Q.99 CLAUSES APPLICABLE TO ITU-T STANDARD SYSTEMS Q.100Q.119 SPECIFICATIONS OF SIGNALLING SYSTEMS No. 4 AND No. 5 Q.120Q.249 SPECIFICATIONS OF SIGNALLING SYSTEM No. 6 Q.250Q.309 SPECIFICATIONS OF SIGNALLING SYSTEM R1 Q.310Q.399 SPECIFICATIONS OF SIGNALLING SYSTEM R2 Q.400Q.49

4、9 DIGITAL EXCHANGES Q.500Q.599 INTERWORKING OF SIGNALLING SYSTEMS Q.600Q.699 SPECIFICATIONS OF SIGNALLING SYSTEM No. 7 Q.700Q.849 General Q.700 Message transfer part (MTP) Q.701Q.709 Signalling connection control part (SCCP) Q.711Q.719 Telephone user part (TUP) Q.720Q.729 ISDN supplementary services

5、 Q.730Q.739 Data user part Q.740Q.749 Signalling System No. 7 management Q.750Q.759 ISDN user part Q.760Q.769 Transaction capabilities application part Q.770Q.779 Test specification Q.780Q.799 Q3 interface Q.800Q.849 DIGITAL SUBSCRIBER SIGNALLING SYSTEM No. 1 Q.850Q.999 PUBLIC LAND MOBILE NETWORK Q.

6、1000Q.1099 INTERWORKING WITH SATELLITE MOBILE SYSTEMS Q.1100Q.1199 INTELLIGENT NETWORK Q.1200Q.1699 SIGNALLING REQUIREMENTS AND PROTOCOLS FOR IMT-2000 Q.1700Q.1799 BROADBAND ISDN Q.2000Q.2999 Recommendation Q.765.1 bis (12/1999) i ITU-T RECOMMENDATION Q.765.1 bis ABSTRACT TEST SUITE FOR THE APM SUPP

7、ORT OF VPN APPLICATIONS Summary This Recommendation contains the conformance test specification for ISUP97 APM support of VPN (Virtual Private Network). The main body of this Recommendation presents the test suite structure and test purposes. The annexes present the protocol implementation conforman

8、ce statements (PICS), the protocol implementation extra information for testing (PIXIT), protocol conformance test report (PCTR) and the ATS for APM support for VPN applications, the latter being available on electronic media only. Source ITU-T Recommendation Q.765.1 bis was prepared by ITU-T Study

9、Group 11 (1997-2000) and was approved under the WTSC Resolution 1 procedure on 3 December 1999. ii Recommendation Q.765.1 bis (12/1999) FOREWORD ITU (International Telecommunication Union) is the United Nations Specialized Agency in the field of telecommunications. The ITU Telecommunication Standard

10、ization Sector (ITU-T) is a permanent organ of the ITU. The 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 Telecommunication Standardization Conference (WT

11、SC), which meets every four years, establishes the topics for study by the ITU-T Study Groups which, in their turn, produce Recommendations on these topics. The approval of Recommendations by the Members of the ITU-T is covered by the procedure laid down in WTSC Resolution 1. In some areas of inform

12、ation 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 operating agenc

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

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

15、r, implementors are cautioned that this may not represent the latest information and are therefore strongly urged to consult the TSB patent database. Ge3 ITU 2001 All rights reserved. No part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, inc

16、luding photocopying and microfilm, without permission in writing from the ITU, except as noted in footnote 1 in Annex A. Recommendation Q.765.1 bis (12/1999) iii CONTENTS Page 1 Scope. 1 2 References. 1 3 Definitions 2 4 Abbreviations 3 5 Implementation under test and test methods. 4 5.1 Identificat

17、ion of the system and implementation under test . 4 5.2 ATM and testing configuration for ISUP97 APM support of VPN 5 5.3 Local exchanges 6 5.4 Transit exchanges 6 5.4.1 Master-slave aspects in the test configuration . 7 6 Test Suite Structure (TSS) 8 7 Test Purposes (TP) 8 7.1 Introduction. 8 7.2 T

18、est Purpose (TP) naming convention 8 7.2.1 Source of test purpose definition . 9 7.2.2 Test purpose structure 9 7.3 Test purposes for the Signalling System No. 7, APM support of Virtual Private Network applications with PSS1 information flows. 9 7.3.1 VPN ASE. 10 8 Test coverage 17 9 Conformance to

19、the PICS proforma specification 17 Annex A PICS proforma for ISDN User Part 1997 (ISUP97) APM support of VPN 18 A.1 Instructions for completing the PICS proforma 18 A.1.1 Purposes and structure . 18 A.1.2 Abbreviations and conventions . 18 A.2 Identification of the implementation. 19 A.2.1 Date of t

20、he statement . 19 A.2.2 Implementation Under Test (IUT) identification. 19 A.2.3 System Under Test (SUT) identification . 20 A.2.4 Product supplier. 20 A.2.5 Client . 20 A.2.6 ICS contact person. 20 A.3 Identification of the reference specification 20 iv Recommendation Q.765.1 bis (12/1999) Page A.4

21、 PICS proforma tables 20 A.4.1 Global statement of conformance 20 A.4.2 Roles 21 A.4.3 Capabilities 21 Annex B PIXIT proforma for ISDN User Part (ISUP)97 APM support of VPN 21 Annex C PICTR proforma for ISDN User Part (ISUP)97 APM support of VPN 21 Annex D ATS for ISDN User Part (ISUP)97 APM support

22、 of VPN (electronic attachment) 21 Recommendation Q.765.1 bis (12/1999) 1 Recommendation Q.765.1 bis ABSTRACT TEST SUITE FOR THE APM SUPPORT OF VPN APPLICATIONS 1 Scope This Recommendation contains the validation (conformance) test specification for the Application Transport Mechanism, support of VP

23、N applications with PSS1 information flows defined in Recommendation Q.765.1 1. This Recommendation applies only to exchanges having implemented the ISUP97 protocol specification for the Application Transport Mechanism and APM support of VPN applications for the exchange. It is applicable for valida

24、tion testing of all types of exchanges as defined in the ISUP97 protocol specification. This Recommendation does not deal with compatibility testing. The main text part of this Recommendation presents the requirements regarding the chosen test method, conventions used within the ATS, the Test Suite

25、Structure and Test Purposes (TSS all users of this Recommendation are therefore encouraged to investigate the possibility of applying the most recent edition of the Recommendations and other references listed below. A list of the currently valid ITU-T Recommendations is regularly published. 1 ITU-T

26、Recommendation Q.765.1 (1998), Signalling System No. 7 Application transport mechanism: Support of VPN applications with PSS1 information flows. 2 Recommendation Q.765.1 bis (12/1999) 2 ITU-T Recommendation Q.765 (1998), Signalling System No. 7 Application transport mechanism. 3 ITU-T Recommendation

27、 Q.763 (1997), Signalling System No. 7 ISDN User Part formats and codes. 4 ITU-T Recommendation Q.764 (1997), Signalling System No. 7 ISDN User Part signalling procedures. 5 ISO/IEC 9646-1:1994, Information technology Open Systems Interconnection Conformance testing methodology and framework Part 1:

28、 General concepts. 6 ISO/IEC 9646-2:1994, Information technology Open Systems Interconnection Conformance testing methodology and framework Part 2: Abstract Test Suite specification. 7 ISO/IEC 9646-3:1998, Information technology Open Systems Interconnection Conformance testing methodology and framew

29、ork Part 3: The Tree and Tabular Combined Notation (TTCN). 8 ISO/IEC 9646-5:1994, Information technology Open Systems Interconnection Conformance testing methodology and framework Part 5: Requirements on test laboratories and clients for the conformance assessment process. 9 ISO/IEC 9646-7:1995, Inf

30、ormation technology Open Systems Interconnection Conformance testing methodology and framework Part 7: Implementation Conformance Statements. 10 ITU-T Recommendation Q.784.2 (1997), ISUP basic call test specification: Abstract test suite for ISUP92 basic call control procedures. 11 CCITT Recommendat

31、ion E.164 (1988), Numbering plan for the ISDN era. 3 Definitions For the purposes of the ATS specification, the following definitions apply: terms defined in ISDN User Part (ISUP) reference specification 1 to 4; terms defined in ISO/IEC 9646-1 5, ISO/IEC 9646-3 7 and in ISO/IEC 9646-7 9. In particul

32、ar, the following terms apply: 3.1 Abstract Test Case (ATC): A complete and independent specification of the actions required to achieve a specific test purpose, defined at the level of abstraction of a particular Abstract Test Method, starting in a stable testing state and ending in a stable testin

33、g state (see 5, 3.3.3). 3.2 Abstract Test Method (ATM): The description of how an IUT is to be tested, given at an appropriate level of abstraction to make the description independent of any particular realization of a Means of Testing, but with enough detail to enable abstract test cases to be spec

34、ified for this method (see 5, 3.3.5). 3.3 Abstract Test Suite (ATS): A test suite composed of abstract test cases (see 5, 3.3.6). 3.4 Implementation Under Test (IUT): An implementation of one or more OSI protocols in an adjacent user/provider relationship, being part of a real open system which is t

35、o be studied by testing (see 5, 3.3.43). 3.5 ISDN number: A number conforming to the numbering and structure specified in CCITT Recommendation E.164 11. Recommendation Q.765.1 bis (12/1999) 3 3.6 Means of Testing (MOT): The combination of equipment and procedures that can perform the derivation, sel

36、ection, parameterization and execution of test cases, in conformance with a reference standardized ATS, and can produce a conformance log (see 5, 3.3.54). 3.7 PICS proforma: A document in the form of a questionnaire which, when completed for an implementation or system, becomes the PICS. 3.8 PIXIT p

37、roforma: A document in the form of a questionnaire which, when completed for the IUT, becomes the PIXIT. 3.9 point of control and observation: A point within a testing environment where the occurrence of test events is to be controlled and observed, as defined in an Abstract Test Method (see 5, 3.3.

38、64). 3.10 pre-test condition: A setting or state in the IUT which cannot be achieved by providing stimulus from the test environment. 3.11 Protocol Implementation Conformance Statement (PICS): A statement made by the supplier of a protocol claimed to conform to a given specification, stating which c

39、apabilities have been implemented (see 5, 3.3.39 and 3.3.80). 3.12 Protocol Implementation eXtra Information for Testing (PIXIT): A statement made by a supplier or implementor of an IUT (protocol) which contains or references all of the information related to the IUT and its testing environment, whi

40、ch will enable the test laboratory to run an appropriate test suite against the IUT (see 5, 3.3.41 and 3.3.81). 3.13 System Under Test (SUT): The real open system in which the IUT resides (see 5, 3.3.103). 4 Abbreviations This Recommendation uses the following abbreviations: APM Application Transpor

41、t Mechanism ASE Application Service Entity ASP Abstract Service Primitive ATM Abstract Test Method ATS Abstract Test Suite CCBS Completion of Calls to Busy Subscriber CD Call Deflection CDIV Call DIVersion DLE Destination Local Exchange ECT Explicit Call Transfer GPINX Gateway PINX ICS Implementatio

42、n Conformance Statement ISDN Integrated Services Digital Network ISUP ISDN User Part IUT Implementation Under Test LT Lower Tester MCID Malicious Call Identification 4 Recommendation Q.765.1 bis (12/1999) MOT Means Of Testing MTC Main Test Component MTP Message Transfer Part OLE Originating Local Ex

43、change PAN Public Addressed Node PCO Point of Control and Observation PICS Protocol Implementation Conformance Statement PIN Public Initiating Node PINX Private Integrated Services Network Exchange PIXIT Protocol Implementation eXtra Information for Testing PSS1 Private network Q reference point Sig

44、nalling System No. 1 PTC Parallel Test Component SP Signalling Point SUT System Under Test TCP Test Coordination Procedures TP Test Purpose (context dependent) TPINX Transit PINX TSS Test Suite Structure TSS it contains the ISUP part. On the left side there is a parallel test component which covers

45、the VPN part. T11103570-99SP BIUTLTNetwork service providerLABISUP linkTCPPINUTMaintenanceMNTLTACHPSS1Access service providerTCPUNITPINXACH Access call handling PCO (PSS1)IUT Implementation Under TestLAB PCO for signalling link LT Lower TesterMNT Maintenance PCOPCO Point of Control and ObservationPI

46、N Public Initiating NodeTCP Test Coordination ProceduresTPINX Transit PINXUNI User-Network InterfaceUT Upper TesterFigure 2/Q.765.1 bis APM test configuration for local exchanges To observe and control the message flow on the ISUP and VPN side for each side a Point of Control and Observation (PCO) i

47、s needed. The PCO for the ISUP link is abbreviated with an “L“ followed by two letters indicating the interface. The PCO for the PSS1 interface is abbreviated with an “A“ followed by two letters indicating the interface. The LAB PCO is used by the lower tester (LT) to control and observe the ISUP on

48、 the signalling to the exchange. The ACH PCO is used by the lower tester (LT) to control and observe the PSS1 signalling to the PIN. The MNT PCO is used by the upper tester (UT) to control and observe the maintenance functions of the exchange. This configuration to test the local exchanges is presen

49、ted in Figure 2. 5.4 Transit exchanges The configuration proposed for testing transit exchanges is shown in Figure 3. In order to test the protocol and functionality of transit exchanges, one needs to consider the incoming and outgoing sides of the SUT. Recommendation Q.765.1 bis (12/1999) 7 T11103580-99SP BIUTLTNetwork service providerLABISUP linkTCPPINU