ETSI TS 103 262-3-2015 Core Network and Interoperability Testing (INT) Diameter Conformance testing for S9 interface (3GPP Release 10) Part 3 Abstract Test Suite (ATS) and partial _1.pdf

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1、 ETSI TS 103 262-3 V1.2.1 (2015-07) Core Network and Interoperability Testing (INT); Diameter Conformance testing for S9 interface; (3GPP Release 10); Part 3: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification floppy3TECHNICAL S

2、PECIFICATION ETSI ETSI TS 103 262-3 V1.2.1 (2015-07)2 Reference RTS/INT-00115-3 Keywords ATS, conformance, diameter, PIXIT ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Siret N 348 623 562 00017 - NAF 742 C Association but non lucr

3、atif enregistre la Sous-Prfecture de Grasse (06) N 7803/88 Important notice The present document can be downloaded from: http:/www.etsi.org/standards-search The present document may be made available in electronic versions and/or in print. The content of any electronic and/or print versions of the p

4、resent document shall not be modified without the prior written authorization of ETSI. In case of any existing or perceived difference in contents between such versions and/or in print, the only prevailing document is the print of the Portable Document Format (PDF) version kept on a specific network

5、 drive within ETSI Secretariat. Users of the present document should be aware that the document may be subject to revision or change of status. Information on the current status of this and other ETSI documents is available at http:/portal.etsi.org/tb/status/status.asp If you find errors in the pres

6、ent document, please send your comment to one of the following services: https:/portal.etsi.org/People/CommiteeSupportStaff.aspx Copyright Notification No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm except as authoriz

7、ed by written permission of ETSI. The content of the PDF version shall not be modified without the written authorization of ETSI. The copyright and the foregoing restriction extend to reproduction in all media. European Telecommunications Standards Institute 2015. All rights reserved. DECTTM, PLUGTE

8、STSTM, UMTSTMand the ETSI logo are Trade Marks of ETSI registered for the benefit of its Members. 3GPPTM and LTE are Trade Marks of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. GSM and the GSM logo are Trade Marks registered and owned by the GSM Association

9、. ETSI ETSI TS 103 262-3 V1.2.1 (2015-07)3 Contents Intellectual Property Rights 4g3Foreword . 4g3Modal verbs terminology 4g31 Scope 5g32 References 5g32.1 Normative references . 5g32.2 Informative references 6g33 Definitions and abbreviations . 6g33.1 Definitions 6g33.2 Abbreviations . 6g34 Abstrac

10、t Test Method (ATM) . 6g34.0 Introduction 6g34.1 Test architecture . 6g34.1.1 Test method 6g34.1.2 Test machine configuration. 6g34.1.2.0 Introduction . 6g34.1.2.1 Test configurations for H-PCRF testing 7g34.1.2.2 Test configurations for V-PCRF testing 7g34.1.3 Interconnection of TS and SUT 8g34.1.3

11、.1 H-PCRF Role 8g34.1.3.2 V-PCRF Role 9g34.1.3.3 Test Adapter 10g35 ATS conventions 10g35.0 Introduction 10g35.1 Testing conventions 10g35.1.1 Test cases Preamble and Postamble 10g35.2 Naming conventions . 10g35.2.1 General guidelines 10g35.2.2 Test case grouping 11g35.2.3 Test case identifiers 12g3

12、Annex A (normative): DIAMETER S9 Partial PIXIT proforma 13g3A.0 Introduction 13g3A.1 Identification summary. 13g3A.2 ATS summary 13g3A.3 Test laboratory 13g3A.4 Client identification 13g3A.5 SUT 14g3A.6 Protocol layer information 14g3A.6.1 Protocol identification 14g3A.7 PIXIT items 14g3A.7.0 Introd

13、uction 14g3A.7.1 Port and Address items . 14g3A.7.2 S9 interface items . 15g3A.7.3 Gx interface items 15g3A.7.4 Gxx interface items 16g3Annex B (normative): DIAMETER S9 Abstract Test Suite (ATS) . 17g3History 18g3ETSI ETSI TS 103 262-3 V1.2.1 (2015-07)4 Intellectual Property Rights IPRs essential or

14、 potentially essential to the present document may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found in ETSI SR 000 314: “Intellectual Property Rights (IPRs); Essential, or potentially Esse

15、ntial, IPRs notified to ETSI in respect of ETSI standards“, which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web server (http:/ipr.etsi.org). Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee ca

16、n be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become, essential to the present document. Foreword This Technical Specification (TS) has been produced by ETSI Technical Committee Core Network and Int

17、eroperability Testing (INT). The present document is part 3 of a multi-part deliverable covering the test specifications for the Diameter protocol on the S9 interface, as identified below: Part 1: “Protocol Implementation Conformance Statement (PICS)“; Part 2: “Test Suite Structure (TSS) and Test Pu

18、rposes (TP)“; Part 3: “Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification“. Modal verbs terminology In the present document “shall“, “shall not“, “should“, “should not“, “may“, “need not“, “will“, “will not“, “can“ and “cannot“

19、are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of provisions). “must“ and “must not“ are NOT allowed in ETSI deliverables except when used in direct citation. ETSI ETSI TS 103 262-3 V1.2.1 (2015-07)5 1 Scope The present document specifies

20、 the Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma for the test specifications for Diameter protocol on the S9 interface as specified in ETSI TS 129 215 1 in compliance with the relevant requirements and in accordance with the relevant g

21、uidance given in ISO/IEC 9646-7 5 and ETSI ETS 300 406 6. The test notation used in the ATS is TTCN-3 (see ETSI ES 201 873-1 7). The following test specification and design considerations can be found in the body of the present document: the overall test suite structure; the testing architecture; th

22、e test methods and port definitions; the test configurations; TTCN styles and conventions; the partial PIXIT proforma; the modules containing the TTCN-3 ATS. Annex A provides the Partial Implementation Extra Information for Testing (PIXIT) Proforma. Annex B provides the Abstract Test Suite (ATS) par

23、t of the ATS. 2 References 2.1 Normative references References are either specific (identified by date of publication and/or edition number or version number) or non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the reference do

24、cument (including any amendments) applies. Referenced documents which are not found to be publicly available in the expected location might be found at http:/docbox.etsi.org/Reference. NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee the

25、ir long term validity. The following referenced documents are necessary for the application of the present document. 1 ETSI TS 129 215 (V10.6.0): “Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Policy and Charging Control (PCC) over S9

26、reference point; Stage 3 (3GPP TS 29.215 version 10.6.0 Release 10)“. 2 ETSI TS 103 262-2: “ Core Network and Interoperability Testing (INT); Diameter Conformance testing for S9 interface; (3GPP Release 10); Part 2: Test Suite Structure (TSS) and Test Purposes (TP)“. 3 ISO/IEC 9646-1: “Information t

27、echnology - Open Systems Interconnection - Conformance testing methodology and framework - Part 1: General concepts“. 4 ISO/IEC 9646-6: “Information technology - Open Systems Interconnection - Conformance testing methodology and framework - Part 6: Protocol profile test specification“. 5 ISO/IEC 964

28、6-7: “Information technology - Open Systems Interconnection - Conformance testing methodology and framework - Part 7: Implementation Conformance Statements“. ETSI ETSI TS 103 262-3 V1.2.1 (2015-07)6 6 ETSI ETS 300 406: “Methods for testing and Specification (MTS); Protocol and profile conformance te

29、sting specifications; Standardization methodology“. 7 ETSI ES 201 873-1: “Methods for Testing and Specification (MTS); The Testing and Test Control Notation version 3; Part 1: TTCN-3 Core Language“. 2.2 Informative references References are either specific (identified by date of publication and/or e

30、dition number or version number) or non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the reference document (including any amendments) applies. NOTE: While any hyperlinks included in this clause were valid at the time of public

31、ation, ETSI cannot guarantee their long term validity. The following referenced documents are not necessary for the application of the present document but they assist the user with regard to a particular subject area. Not applicable. 3 Definitions and abbreviations 3.1 Definitions For the purposes

32、of the present document, the terms and definitions given in ISO/IEC 9646-7 5 and ETSI TS 129 215 1 apply. 3.2 Abbreviations For the purposes of the present document, the abbreviations given in ISO/IEC 9646-1 3, ISO/IEC 9646-6 4, ISO/IEC 9646-7 5 and ETSI TS 129 215 1 apply. 4 Abstract Test Method (A

33、TM) 4.0 Introduction This clause describes the ATM used to test the Diameter protocol on the S9 interface at the MME side and at the HSS side. 4.1 Test architecture 4.1.1 Test method The test method chosen is the remote test method. Remote test method means that the test tool (the test machine and t

34、he executable test suite) shall behave as an H-PCRF when the IUT is a V-PCRF and shall behave as a V-PCRF when the IUT is an H-PCRF. As the exchange between the test system and the IUT is at the diameter message level, the lower layers of the test machine shall be totally conformant with the corresp

35、onding lower layers specifications to use the remote test method. 4.1.2 Test machine configuration 4.1.2.0 Introduction In a real operating network the different Diameter nodes would not connect directly to each other. The connection is usually proxied through one or more Diameter Agents. In the fol

36、lowing test architecture figures the Diameter Agent is not explicitly depicted as it is seen as a transparent message handler for conformance testing purposes. ETSI ETSI TS 103 262-3 V1.2.1 (2015-07)7 4.1.2.1 Test configurations for H-PCRF testing The S9 interface is located between Test System acti

37、ng as V-PCRF and the H-PCRF SUT. Figure 1: Test architecture with H-PCRF as SUT 4.1.2.2 Test configurations for V-PCRF testing The S9 interface is located between Test System acting as H-PCRF and the V-PCRF SUT. Figure 2: Test architecture with V-PCRF as SUT ETSI ETSI TS 103 262-3 V1.2.1 (2015-07)8

38、4.1.3 Interconnection of TS and SUT 4.1.3.1 H-PCRF Role Figure 3 shows the interconnection of TS and SUT in terms of signalling message flows. Diameter messages are transferred over the DIAMP port. Test System V-PCRF Executable Test Suite TA - Codec SCTP IP stacks SUT - H-PCRF SCTP Diameter Server P

39、CC/QoS rules IP Stacks S9 Port V_PCRF_S9 Figure 3: Interconnection for H-PCRF role ETSI ETSI TS 103 262-3 V1.2.1 (2015-07)9 4.1.3.2 V-PCRF Role Figures 4 and 5 show the interconnection of TS and SUT in terms of signalling message flows. Diameter messages are transferred over the DIAMP port. Some V-P

40、CRF tests may require additional triggering via the Gx or Gxx ports. The configuration can be enabled or disabled by using PIXIT parameters “Gxsupport“ and “Gxxsupport“. Figure 4: Interconnection for V-PCRF role without Gx and Gxx interfaces Figure 5: Interconnection for V-PCRF role with Gx and Gxx

41、interfaces ETSI ETSI TS 103 262-3 V1.2.1 (2015-07)10 4.1.3.3 Test Adapter For execution of the tests the Test Adapter (TA) shall be developed. There are two possibilities to communicate over TA: ATS provides only Diameter messages; or ATS provides Diameter messages and LL primitives. 5 ATS conventio

42、ns 5.0 Introduction The ATS conventions are intended to give a better understanding of the ATS but they also describe the conventions made for the development of the ATS. These conventions shall be considered during any later maintenance or further development of the ATS. The ATS conventions contain

43、 two clauses, the testing conventions and the naming conventions. The naming conventions describe the structure of the naming of all ATS elements. To define the ATS, the guidelines of the document ETSI ETS 300 406 6 were considered. 5.1 Testing conventions 5.1.1 Test cases Preamble and Postamble As

44、described in the test method clause the test tool shall behave as an H-PCRF when the IUT is a V-PCRF and shall behave as a V_PCRF when the IUT is an H-PCRF. For that reason the test case preambles and postambles are named as follows: IUT is a H-PCRF (example TC_HPCRF_HSE_01) f_preamble_VPCRF f_posta

45、mble_VPCRF NOTE 1: The tester also behaves as a Diameter Client. IUT is a V-PCRF (example TC_VPCRF_HSE_01) f_preamble_HPCRF f_postamble_HPCRF NOTE 2: The tester also behaves as a Diameter Server. 5.2 Naming conventions 5.2.1 General guidelines The naming conventions are based on the following underl

46、ying principles: In most cases, identifiers should be prefixed with a short alphabetic string (specified in table 1) indicating the type of TTCN-3 element it represents. Suffixes should not be used except in those specific cases identified in table 2. Prefixes and suffixes should be separated from t

47、he body of the identifier with an underscore (“_“): EXAMPLE 1: c_sixteen, t_wait_max. ETSI ETSI TS 103 262-3 V1.2.1 (2015-07)11 Only module names, data type names and module parameters should begin with an upper-case letter. All other names (i.e. the part of the identifier following the prefix) shou

48、ld begin with a lower-case letter. The start of second and subsequent words in an identifier should be indicated by capitalizing the first character. Underscores should not be used for this purpose. EXAMPLE 2: f_authenticateUser. Table 1 specifies the naming guidelines for each element of the TTCN-3

49、 language indicating the recommended prefix, suffixes (if any) and capitalization. Table 1: TTCN-3 naming convention Language element Naming convention Prefix Suffix Example Notes Module Use upper-case initial letter DiameterS9_ none DiameterS9_Steps TSS grouping Use all upper-case letters none none TP_PCEFRole_IPSMessage template Use lower-case initial letter m_ none m_authApplicationId Message template with wildcard or matching expression Use lower-case initial letters mw_ none mw_subscriptionId Por