ETSI ETS 300 646-4-1998 Integrated Services Digital Network (ISDN) Signalling System No 7 Digital Cellular Telecommunications System (Phase 2) Application of ISDN User Part (ISUP) .pdf

1、 STD.ETS1 ETS 300 646-4-ENGL LS76 3400855 0288781 7Tb ETS 300 646-4 March 1998 Source: SPS Reference: DE/SPS-01029-3 ICs: 33.020 Key words: ISDN, SS7, ISUP, GSM, mobile, radio, PLMN, interworking, testing, ATS, PIXIT Integrated Services Digital Network (ISDN); Signalling System No.7; Digital cellula

2、r telecommunications system (Phase 2); Application of ISDN User Part (ISUP) version 2 for the ISDN-Public Land Mobile Network (PLMN) signalling interface; Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation extra Information for Testing (PIXIT) proforma specif cat ion ETSI European

3、 Telecommunications Standards Institute ETSI Secretariat Postal address: F-O6921 Sophia Antipolis CEDEX - FRANCE Office address: 650 Route des Lucioles - Sophia Antipolis - Valbonne - FRANCE Internet: secretariat8 etsi.fr - http:/www.etsi.fr - http:/w.etsi.org Tel.: +33 4 92 94 42 O0 - Fax: +33 4 93

4、 65 47 16 Copyright Notification: No part may be reproduced except as authorized by written permission. The copyright and the foregoing restriction extend to reproduction in all media. O European Telecommunications Standards Institute 1998. All rights reserved. Page 2 ETS 300 646-4: March 1998 Whils

5、t every care has been taken in the preparation and publication of this document, errors in content, typographical or otherwise, may occur. If you have comments concerning its accuracy, please write to “ETSI Editing and Committee Support Dept.“ at the address shown on the title page. . STD.ETSI ETS 3

6、00 646-4-ENGL 1998 3400855 0288783 579 Page 3 ETS 300 646-4: March 1998 Contents Foreword 5 Scope . 7 Normative references 7 Definitions and abbreviations . 8 3.1 Definitions . - . 8 Abbreviations . - 9 3.2 Implementation under test and test methods 19 4.1 4.2 Identification of the system and implem

7、entation under test . 10 ATM and testing configuration for ISUP version 2 for the ISDN-PLMN signalling interface 10 4.2.2 Master-slave aspects in the test configuration 12 4.2.1 Gateway exchanges 11 Conventions used within the ATS . - . 12 5.1 Test suite parameters, constants and variables 12 5.2 Te

8、st case variables . 13 5.3 ASP constraints . 13 5.4 Timers . 13 5.5 Test suite operations 13 5.6 Aliases . . 13 5.7 Test case and step identifiers 13 5.8 Constraints _. . 14 5.9 Dynamic behaviour . 1.4 5.1 O Pre-test conditions . 14 Annex A (normative): A.l A.2 Annex B (normative): ATS for ISUP vers

9、ion 2 for the ISDN-PLMN interface . 15 The TTCN Graphical form (TTCN.GR) . 15 The TTCN Machine Processable form (TTCN.MP) 15 Partial PIXIT proforma for ISUP version 2 for the ISDN-PLMN interface . 16 B.l B.2 B.3 B . 4 B . 5 B . 6 B.7 Identification summary 16 Abstract test suite summary 16 Test labo

10、ratory 16 Client identification 16 System Under Test (SUT) . 17 Ancillary protocols . 17 Protocol information for ISUP 17 8.7.1 Protocol identification . 17 B.7.2 IUT information - PIXIT proforma tables 17 8.7.2.1 General configuration 18 B .7. 2.2 Parameter values 19 8.7.2.3 Timer values 19 B.7.2.4

11、 Other information . 19 5TD.ETSI ETS 300 646-4-ENGL 1994 3400855 0288784 405 Page 4 ETS 300 646-4: March 1998 Annex C (normative): Protocol Conformance Test Report (PCTR) proforma for ISUP version 2 for the ISDN-PLMN signalling interface 20 C.l Identification summary 20 C.l . 1 C.1.2 IUT identificat

12、ion 20 C.1.3 Testing environment . 20 C.1.4 Limits and reservation 21 (2.1.5 Comments “- . 21 Protocol conformance test report 20 C.2 IUT conformance status . 21 C.3 Static conformance summary . 21 C.4 Dynamic conformance summary . 21 C.5 Static conformance review report 22 C.6 Test campaign report

13、22 C.7 Observations . 23 History 24 STDoETSI ETS 300 b46-4-ENGL 1998 3400855 0288785 391 9 Page 5 ETS 300 646-4: March 1998 Foreword This European Telecommunication Standard (ETS) has been produced by the Signalling Protocols and Switching (SPS) Technical Committee of the European Telecommunications

14、 Standards Institute (ETSI). This ETS is part 4 of a multi-part standard covering the application of Integrated Services Digital Network (ISDN) User Part (ISUP) version 2 for the ISDN-Public Land Mobile Network (PLMN) signalling interface as described below: Part 1: “Protocol specification (GSM 09.1

15、2)“; Part 2: “Protocol implementation Conformance Statement (PICS) proforma specification“; Part 3: “Test Suite Structure and Test Purposes (TSS Part 4: “Abstract Test Suite (ATS) and partial Protocol Implementation extra Information for Testing (PIXIT) proforma specification“. Transposition dates D

16、ate of adoption of this ETS: Date of latest announcement of this ETS (doa): 6 March 1998 30 June 1998 Date of latest publication of new National Standard or endorsement of this ETS (dople): 31 December 1998 I I Date of withdrawal of any conflicting National Standard (dow): 31 December 1998 STD.ETS1

17、ETS 300 bYb-4-ENGL 1998 3400855 0288786 288 9 Page 7 ETS 300 646-4 March 1998 1 Scope This fourth part of ETS 300 646 provides the conformance test specification for the second version of the Integrated Services Digital Network (ISDN) - Global System for Mobile communications (GSM) Public Land Mobil

18、e Network (PLMN) signalling interface defined in ETS 300 646-1 l in compliance with the relevant requirements and in accordance with the relevant guidance given in ISO/IEC 9646-1 6. This ETS contains the abstract test suite (ATS) for ISUP version 2 for the ISDN-PLMN interface, written in Tree and Ta

19、bular Combined Notation (TTCN) as specified in ISOAEC 9646-3 8. It is based on ETS 300 646-3 3 which specifies the Test Suite Structure and Test Purposes (TSS Signalling System No.7; Digital cellular telecommunication systems (Phase 2); Application of the ISDN User Part (ISUP) version 2 for the ISDN

20、-Public Land Mobile Network (PLMN) signalling interface; Part 1 : Protocol specification (GSM 09.12 version 4.1.1)“. ETS 300 646-2: “Integrated Services Digital Network (ISDN); Signalling System N0.7; Digital cellular telecommunication systems (Phase 2); Application of the ISDN User Part (ISUP) vers

21、ion 2 for the ISDN-Public Land Mobile Network (PLMN) signalling interface; Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification“. ETS 300 646-3: “Integrated Services Digital Network (ISDN); Signalling System No.7; Digital cellular telecommunication systems (Phase 2); A

22、pplication of the ISDN User Part (ISUP) version 2 for the ISDN-Public Land Mobile Network (PLMN) signalling interface; Part 3: Test Suite Structure and Test Purposes (TSS Protocol and profile conformance testing specifications; Standardization methodology“. ETR 141 : “Methods for Testing and Specifi

23、cation (MTS); Protocol and profile conformance testing specifications; The Tree and Tabular Combined Notation (TTCN) style guide“. ISO/IEC 9646-1 : “Information technology - Open Systems Interconnection - Conformance testing methodology and framework - Part 1 : General concepts“. ISOAEC 9646-2: “Inf

24、ormation technology - Open Systems Interconnection - Conformance testing methodology and framework - Part 2: Abstract Test Suite specificat ion“. Previous page is blank STD-ETSI ETS 300 646-4-ENGL 1998 m 3Y00855 0288787 LLY m Page 8 ETS 300 646-4: March 1998 91 ISO/IEC 9646-3: “Information technolog

25、y - Open Systems Interconnection - Conformance testing methodology and framework - Part 3: The Tree and Tabular Combined Notation (TEN)“. ISO/IEC 9646-5: “Information technology - Open Systems Interconnection - Conformance testing methodology and framework - Part 5: Requirements on test laboratories

26、 and clients for the conformance assessment process“. 3 Definitions and abbreviations 3.1 Definitions For the purposes of this ETS, the following definitions apply: - - terms defined in ETS 300 646-1 l; terms defined in ISO/IEC 9646-1 6 and in ISO/IEC 9646-3 8. In particular, the following terms app

27、ly: 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 testing state (see ISO/IEC 9646-1 6,

28、subclause 3.3.3). 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 specified for

29、this method (see ISO/IEC 9646-1 6, subclause 3.3.5). Abstract Test Suite (ATS): A test suite composed of abstract test cases (see ISO/IEC 9646-1 6, subclause 3.3.6). Implementation Under Test (IUT): An implementation of one or more OS1 protocols in an adjacent user/provider relationship, being part

30、of a real open system which is to be studied by testing (see ISO/IEC 9646-1 6, subclause 3.3.43). Means Of Testing (MOT): The combination of equipment and procedures that can perform the derivation, selection, parametrization and execution of test cases, in conformance with a reference standardized

31、ATS, and can produce a conformance log (see ISO/IEC 9646-1 6, subclause 3.3.54). Point of Control and Observation (PCO): 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 ISO/IEC 9646-1 6, subclause 3

32、.3.64). pre-test condition: A setting or state in the IUT which cannot be achieved by providing stimulus from the test environment. Protocol Implementation Conformance Statement (PICS): A statement made by the supplier of a protocol claimed to conform to a given specification, stating which capabili

33、ties have been implemented (see ISO/IEC 9646-1 6, subclauses 3.3.39 and 3.3.80). PICS proforma: A document, in the form of a questionnaire, which when completed for an implementation or system becomes the PICS. Protocol Implementation extra Information for Testing (PIXIT): A statement made by a supp

34、lier or implementor of an IUT (protocol) which contains or references all of the information related to the IUT and its testing environment, which will enable the test laboratory to run an appropriate test suite against the IUT (see ISO/IEC 9646-1 6, subclauses 3.3.41 and 3.3.81). PIXIT proforma: A

35、document, in the form of a questionnaire, which when completed for the IUT becomes the PIXIT. STDeETSI ETS 300 b+b-+-ENGL 1998 3400455 0248784 050 Page 9 ETC 300 646-4: March 1998 System Under Test (SUT): The real open system in which the IUT resides (see ISO/IEC9646-1 6, subclause 3.3.1 03). user:

36、The access protocol entity at the User side of the user-network interface where a T reference point or coincident S and T reference point applies. 3.2 Abbreviations For the purposes of this ETS, the following abbreviations apply: ASP ATC ATM ATS CIC GMSC GSM I ncGateway I ncG MSC ISDN ISUP I UT LT M

37、OT MSC MS MSISDN MSRN MTC MTP NNI PCO PCTR PTC PDU NI Ou tGateway OutGMSC PICS PIXIT PLMN SCS SP SPC ss7 SUT TCP TSS the TCPs are only used when it is necessary to obtain the verdict from the parallel test component. 4.2.2 Master-slave aspects In the test configuration Figure 4 shows the logical tes

38、t components of the adopted test configuration. The main test component is located on the right side of the IUT, whereas on the left side there is the parallel test component. The right side main test component may be international or national ISUP and is configurable so that any two of these may be

39、 run, based on the answers given to PIXIT questions. The left side parallel test component may also be international or national ISUP. At test execution exactly one combination will be chosen, based on the information provided in the PIXIT proforma. The message flow in the test cases is designed in

40、such a way that the verdict is assigned based on observing the behaviour on the MTC side. The lefi side will in this case mainly act as a slave stirnulushesponder. There are, however, test cases where the expected behaviour of both sides is needed to assign the verdict. 5 Conventions used within the

41、 ATS The abbreviations are consistently used within the ATS written in TTCN and are useful for understanding and/or maintaining the coding detail level. 5.1 Test suite parameters, constants and variables Most test suite parameters are named using the pattern: TS P-Xxx Most test suite variables are n

42、amed using the pattern: TSV-Xxx All test suite constants are named using the pattern: TSC-Xxx Page 13 ETS 300 646-4: March 1998 5.2 Test case variables Most test case variables are named using the pattern: TCVXxx 5.3 ASP constraints The naming scheme for ASP constraints is: PDUXY-more-spec if ic whe

43、re PDU indicates the PDU type included, XY indicates the direction and more-specific (if any) describes the constraint with abbreviated naming convention. EXAMPLE: IAM-BA-CgPN (IAM sent from SP B to SPA, with a calling party number included). 5.4 Timers All timers are named using the pattern: Tnarne

44、min or max EXAMPLE: TearlyACMmin (waiting before sending early ACM timer). 5.5 Test suite operations Most names for test suite operations follow the scheme: TSOJestSuiteOperat ionName The TSO functions are specified using the syntax of C programming language or pseudo code. 5.6 Aliases Aliases are e

45、xtensively used instead of cumbersome names for ASP primitives (like MTP TRANSFE R-I N D). They are named using the scheme: SXXX for the sending of an ISUP message XXX which resolves to the MTP TRANSFER-REQ primitive RXXX for the receipt of an ISUP message XXX which is resolved to the MTP TRANSFER-I

46、ND primitive 5.7 Test case and step identifiers The general naming convention for the test cases is: I PB-VLN for the basic call; or I PS-VLN for the supplementary services. where X is either V (valid stimulus) or I (inopportune stimulus) and N is a sequence number. The general naming convention for

47、 the dispatcher test steps is: BCN or SS-N where N is the same sequence number as the test case to which it relates. Some generic steps with appropriate names, e.g. to complete the call-setup (+SACM-etc-BA, +R-ACM-etc-AC) are also used. STD.ETS1 ETS 300 b46-4-ENGL 1998 3400855 0288793 418 Page 14 ET

48、S 300 646-4: March 1998 5.8 Constraints The constraints visible on the test case level are all ASP constraints. The ASPc are chained to PDU constraints every time an ISUP message is involved. This allows for a higher level of abstraction on the test case level and hides the information in the ASP co

49、nstraint part. In order to reduce the number of constraints, a technique where a default constraint is manipulated/modified on the send line is used. This also has the advantage of increasing readability. In the case of access ASPc, no further PDU constraints are defined. 5.9 Dynamic behaviour The general scheme of running a test case can be described shortly as follows: Firstly, the control is given to the main test component, which starts executing. This main test component controls and observes the IUT on the AB signalling