ETSI ETS 300 771-4-1998 Broadband Integrated Services Digital Network (B-ISDN) Digital Subscriber Signalling System No Two (DSS2) Protocol B-ISDN User-Network Interface Layer 3 Spe.pdf

1、t UROPEAN Ip I ELECOMMUNICATION STANDARD ETS 300 771-4 September 1998 Source: SPS Ref ere nce: D E/S PS-05085-4 ICs: 33.020 Key words: B-ISDN, DSS2, UNI, layer 3, basic, testing, ATS, PIXIT, user Broad band Integrated Services Digital Network (B-ISDN); Digital Subscriber Signalling System No. two (D

2、SS2) protocol; B-ISDN user-network interface layer 3 specif ication for the point-to-multi poi n t cal I/bearer control; Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation extra Information for Testing (PIXIT) proforma specification for the user ETSI European Telecommunications St

3、andards Institute ETSI Secretariat Postal address: F-O6921 Sophia Antipolis CEDEX - FRANCE Office address: 650 Route des Lucioles - Sophia Antipolis - Valbonne - FRANCE Internet: secretariatetsi.fr - http:/www.etsi.fr - http:/www.etsi.org Tel.: +33 4 92 94 42 O0 - Fax: 43 4 93 65 47 16 Copyright Not

4、ification: No part may be reproduced except as authorized by written permission. The copyright and the foregoing restriction extend to reproduction in ail media. O European Telecommunications Standards Institute 1998. All rights reserved. Page 2 ETS 300 71-4: September 1998 Whilst every care has bee

5、n 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 Standards Making Support Dept.“ at the address shown on the title page. STD-ETSI ETS 300 773-4-ENGL 1998 3400855

6、0341170 340 Page 3 ETS 300 771-4: September 1998 Contents Foreword . 5 Scope 7 Normative references 7 Definitions and abbreviations 8 3.1 Definitions 8 3.2 Abbreviations . 8 Abstract Test Method (ATM) . 8 Untestable test purposes . 9 ATS to TP map 9 PCTR conformance . 9 PIXIT conformance . 9 ATS Con

7、formance . 10 Annex A (normative): Protocol Conformance Test Report (PCTR) proforma . 11 A . 1 A.2 A.3 A . 4 A.5 A . 6 A.7 Identification summary 11 A.l.l Protocol conformance test rep0 rt . 11 A.1.2 IUT identification 11 A.1.3 Testing environment 11 A.1.4 Limits and reservations 12 A.1.5 Comments .

8、 12 IUT Conformance status . 12 Static conformance summary 12 Dynamic conformance summary . 13 Static conformance review report 13 Test campaign report 14 Observations . 27 Annex B (normative): B.l Identification summary 28 Partial PIXIT proforma 28 6.2 Abstract test suite summary 29 8.3 Test labora

9、tory 29 B.4 B.5 SUT . 30 Client (of the Test Laboratory) . 29 B.6 Protocol information 30 STD-ETSI ETS 300 771-4-ENGL 1998 3400855 0341L3L 287 Page 4 ETS 300 771-4: September 1998 B.6.1 Protocol identification 30 8.6.2 Configuration to be tested . 31 8.6.3 Stimuli for the IUT . 31 B.6.4 Test managem

10、ent timers 31 B.6.5 Parameter Values . 32 Annex C (normative): Abstract Test Suite (ATS) 33 C.l The TTCN Graphical form (lTCN.GR) 33 C.2 The TTCN Machine Processable form (lTCN.MP) . 33 Annex D (informative): Bibliography . 34 History . 35 Page 5 ETS 300 771-4: September 1998 Foreword This European

11、Telecommunication Standard (ETS) has been produced by the Signalling Protocols and Switching (SPS) Technical Committee of the European Telecommunications Standards Institute (ETSI). This ETS is part4 of a multi-part standard covering the Digital Subscriber Signalling System No. two (DSS2) protocol s

12、pecification for the Broadband Integrated Services Digital Network (B-ISDN); User-network layer 3 specification for point-to-multipoint call/bearer control: as described below: Part 1: Part 2: “Protocol specification ITU-T Recommendation Q.2971 (1 995), modified“; “Protocol Implementation Conformanc

13、e Statement (PICS) proforma specification“; Part 3: Pari 4: “Test Suite Structure and Test Purposes (TSS “Abstract Test Suite (ATS) and partial Protocol Implementation Extra Information for Testing (PIXIT) proforma specification for the user“. Part 5: “Test Suite Structure and Test Purposes (TSS Par

14、t 6: “Abstract Test Suite (ATS) and partial Protocol Implementation Extra Information for Testing (PIXIT) proforma specification for the network“. Transposition dates Date of adoption of this ETS: Date of latest announcement of this ETS (doa): 18 September 1998 31 December 1998 Date of latest public

15、ation of new National Standard or endorsement of this ETS (dop/e): 30 June 1999 Date of withdrawal of any conflicting National Standard (dow): 30June7999 J Page 7 ETS 300 771-4: September 1998 1 Scope This fourth part of ETS 300 771 specifies the user Abstract Test Suite (ATS) for the T B reference

16、point or coincident SB and TB reference point (as defined in ITU-T Recommendation 1.41310) of implementations conforming to the standards for the signalling user-network layer 3 specification for point-to-multipoint calconnection control of the Digital Subscriber Signalling System No. two (DSS2) pro

17、tocol for the pan-European Broadband Integrated Services Digital Network (B-ISDN), ETS 300 771-1 l. A further part of the present document specifies the Test Suite Structure and Test Purposes (TSS Digital Subscriber Signalling System No. two (DSS2) protocol; B-ISDN user-network interface layer 3 spe

18、cification for point-to-multipoint callhearer control; Part 1 : Protocol specification ITU-T Recommendation Q.2971 (1 995), modified“. 31 ETS 300 771 -3 (1997): “Broadband Integrated Services Digital Network (B-ISDN); Digital Subscriber Signalling System No. two (DSS2) protocol; B-ISDN user-network

19、interface layer 3 specification for point-to-multipoint callhearer control; Part 3: Test Suite Structure and Test Purposes (TSS Digital Subscriber Signalling System No. two (DSS2) protocol; B-ISDN user-network interface layer 3 specification for basic callhearer control; Part 1: Protocol specificati

20、on ITU-T Recommendation Q.2931 (1995), mod if ie d I. ISOAEC 9646-1 (1 994): “Information technology - Open Systems Interconnection - Conformance testing methodology and framework - Part 1: General concepts“. ISO/IEC 9646-2 (1 994): “Information technology - Open Systems Interconnection - Conformanc

21、e testing methodology and framework - Part 2: Abstract Test Suite specification“. ISO/IEC 9646-3 (1 992): “Information technology - Open Systems Interconnection - Conformance testing methodology and framework - Part 3: The Tree and Tabular Combined Notation (TTCN)“. ISO/IEC 9646-4 (1 996): “Informat

22、ion technology - Open Systems Interconnection - Conformance testing methodology and framework - Part 4: Test realization“. ISO/IEC 9646-5 (1 996): “Information technology - Open Systems Interconnection - Conformance testing methodology and framework - Part 5: Requirements on test laboratories and cl

23、ients for the conformance assessment process“. Previous page is blank - STDgETSI ETS 300 771-4-ENGL 1998 W 3400855 0341174 T9b = Page 8 ETS 300 771-4: September 1998 o1 ITU-T Recommendation 1.41 3 (1993): “B-ISDN user-network interface“. ETS 300 443-2 (1 996): “Broadband Integrated Services Digital

24、Network (B-ISDN); Digital Subscriber Signalling System No. two (DSS2) protocol; B-ISDN user-network interface layer 3 specification for basic callhearer control; Pari 2: Protocol Implementation Conformance Statement (PICS) proforma specification“. 3 Definitions and abbreviations 3.1 Def in itipns Fo

25、r the purposes of this ETS, the following definitions apply: Implementation Under Test (IUT): See ISOAEC 9646-1 5. System Under Test (SUT): See ISOAEC 9646-1 5. Abstract Test Suite (ATS): See ISOAEC 9646-1 5. Protocol Implementation Conformance Statement (PICS): See ISOAEC 9646-1 7 5. PICS proforma:

26、 See ISOAEC 9646-1 5. Protocol Implementation extra Information for Testing (PIXIT): See ISOAEC 9646-1 5. PIXIT proforma: See ISO/IEC 9646-1 5. Lower Tester (LT): See ISO/IEC 9646-1 5. Upper Tester (UT): See ISO/IEC 9646-1 5. Point of Control and Observation (PCO): See ISO/IEC 9646-1 5. 3.2 Abbrevia

27、tions For the purposes of this ETS, the following abbreviations apply: ATM ATS ExTS IUT LT MOT PCO PCTR PDU PICS PIXIT SUT TCP TP TTCN UT Abstract Test Method Abstract Test Suite Exec u tab le Test Su ite Implementation Under Test Lower Tester Means Of Testing Point of Control and Observation Protoc

28、ol Conformance Test Report Protocol Data Unit Protocol Implementation Conformance Statement Protocol Implementation extra Information for Testing System Under Test Test Co-ordination Procedures Test Purpose Tree and Tabular Combined Notation Upper Tester 4 Abstract Test Method (ATM) The remote test

29、method is applied for the user ATS. The Point of Control and Observation (PCO) resides at the service access point between layers 2 and 3. This PCO is named “LO“ (for Lower). The LO PCO is used to control and observe the behaviour of the Implementation Under Test (IUT) and test case verdicts are ass

30、igned depending on the behaviour observed at this PCO. - STDoETSI ETS 300 771-4-ENGL 1998 I 3400855 0341175 922 I Page 9 ETS 300 71-4: September 1998 Tester I ayer2 I I ayer2 I Layer 1 I 1 iayer Figure 1: Remote test method ISOAEC 9646-2 6 allows the informal expression of Test Co-ordination Procedu

31、res (TCP) between the SUT upper layer( and the LT. In the ATS contained in annex C, TCP is achieved by use of a second “informal“ PCO, called “O“ (for Operator). This PCO is used to specify control but not observation above the IUT and consequently, events at this PCO are never used to generate test

32、 case verdicts. The use of this O PCO is regarded as a preferred alternative to the use of the implicit send event, in that it allows the ATS to specify in a clear and meaningful way what actions are required to be performed on the IUT. 5 Untestable test purposes There are no untestable test purpose

33、s associated with this ATS. 6 ATStoTPmap The identifiers used for the Test Purposes (TPs) are reused as test case names. Thus there is a straightforward one-to-one mapping. 7 PCTR conformance A test laboratory, when requested by a client to produce a PCTR, is required, as specified in ISO/IEC 9646-5

34、 9, to produce a PCTR conformant with the PCTR template given in annex B of ISO/IEC 9646-5 9. Furthermore, a test laboratory, offering testing for the ATS specification contained in annex C, when requested by a client to produce a PCTR, is required to produce a PCTR conformant with the PCTR proforma

35、 contained in annex A of this ETS. A PCTR which conforms to this PCTR proforma specification shall preserve the content and ordering of the clauses contained in annex A. Clause A.6 of the PCTR may contain additional columns. If included, these shall be placed to the right of the existing columns. Te

36、xt in italics may be retained by the test laboratory. 8 PIXIT conformance A test realizer, producing an executable test suite for the Abstract Test Suite (ATS) specification contained in annex C, is required, as specified in ISO/IEC 9646-4 8, to produce an augmented partial PIXIT proforma conformant

37、 with this partial PIXIT proforma specification. An augmented partial PIXIT proforma which conforms to this partial PIXIT proforma specification shall, as a minimum, have contents which are technically equivalent to annex B. The augmented partial PIXIT proforma may contain additional questions that

38、need to be answered in order to prepare the Means Of Testing (MOT) for a particular IUT. A test laboratory, offering testing for the ATS specification contained in annex C, is required, as specified in ISO/IEC 9646-5 9, to further augment the augmented partial PIXIT proforma to produce a PIXIT profo

39、rma conformant with this partial PIXIT proforma specification. STD-ETSI ETS 300 771-4-ENGL 1998 D 3400855 0343376 869 Page 10 ETS 300 71-4: September 1998 A PIXIT proforma which conforms to this partial PIXIT proforma specification shall, as a minimum, have contents which are technically equivalent

40、to annex B. The PIXIT proforma may contain additional questions that need to be answered in order to prepare the test laboratory for a particular IUT. 9 ATS Conformance The test realizer, producing a MOT and Executable Test Suite (ExTS) for this Abstract Test Suite (ATS) specification, shall comply

41、with the requirements of ISO/IEC 9646-4 8. In particular, these concern the realization of an ExTS based on each ATS. The test realizer shall provide a statement of conformance of the MOT to this ATS specification. An ExTS which conforms to this ATS specification shall contain test groups and test c

42、ases which are technically equivalent to those contained in the ATS in annex C. All sequences of test events comprising an abstract test case shall be capable of being realized in the executable test case. Any further checking which the test system might be capable of performing is outside the scope

43、 of this ATS specification and shall not contribute to the verdict assignment for each test case. Test laboratories running conformance test services using this ATS shall comply with ISO/IEC 9646-5 9. A test laboratory which claims to conform to this ATS specification shall use an MOT which conforms

44、 to this ATS. STD-ETSI ETS 300 771-4-ENGL II998 H 3Y008.55 03YII177 7T5 I Name: Version: Protocol specification: PICS: Previous PCTRs (if any) Page 11 ETS 300 771-4: September 1998 Annex A (normative): Notwithstanding the provisions of the copyright clause related to the text of this ETS, ETSI grant

45、s that users of this ETS may freely reproduce the PCTR proforma in this annex so that it can be used for its intended purposes and may further publish the completed PCTR. Protocol Conformance Test Report (PCTR) proforma ETS 300 771 -1 A.l Identification summary PIXIT Reference number: Abstract Test

46、Method: Means of Testing identification: ATS Specification: A.l.l Protocol conformance test report ETS 300 77 1 -4 Remote test method (see ISOAEC 9646-2) PCTR number: PCTR Date: Corresponding SCTR number: Corresponding SCTR date: Test Laboratory identification: Test Laboratory Manager: Signature: Da

47、tes of testing: Conformance Log reference(s): Retention Date for Log reference(s): STDmETSI ETS 300 771-4-ENGL 1998 = 3400855 0341178 b31 = Page 12 ETS 300 771 -4: September 1998 A.1.4 Limits and reservations Additional information relevant to the technical contents or further use of the test report

48、, or to the rights and obligations of the test laboratory and the client, may be given here. Such information may include restriction on the publication of the report. A.1.5 Comments Additional comments may be given by either the client or the test laboratory on any of the contents of the PCTR, for

49、example, to note disagreement between the two pafiies. A.2 IUT Conformance status This IUT has or has not been shown by conformance assessment to be non-conforming to the specified protocol specification. Strike the appropriate words in this sentence. If the PICS for this IUT is consistent with the static conformance requirements (as specified in clause A.3 of this repor0 and there are no “FAIL“ verdicts to be recorded (n clause A.6) strike the words “has or: otherwise strike the words “or has not“. A.3 Static conform