ITU-T X 783-2014 Guidelines for implementation conformance statement proformas associated with web services-based management systems (Study Group 2)《与基于Web服务的管理系统相关的实现一致性声明形式表的指南》.pdf

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1、 I n t e r n a t i o n a l T e l e c o m m u n i c a t i o n U n i o n ITU-T X.783 TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU (07/2014) SERIES X: DATA NETWORKS, OPEN SYSTEM COMMUNICATIONS AND SECURITY OSI management Management functions and ODMA functions Guidelines for implementation conforman

2、ce statement proformas associated with web services-based management systems Recommendation ITU-T X.783 ITU-T X-SERIES RECOMMENDATIONS DATA NETWORKS, OPEN SYSTEM COMMUNICATIONS AND SECURITY PUBLIC DATA NETWORKS Services and facilities X.1X.19 Interfaces X.20X.49 Transmission, signalling and switchin

3、g X.50X.89 Network aspects X.90X.149 Maintenance X.150X.179 Administrative arrangements X.180X.199 OPEN SYSTEMS INTERCONNECTION Model and notation X.200X.209 Service definitions X.210X.219 Connection-mode protocol specifications X.220X.229 Connectionless-mode protocol specifications X.230X.239 PICS

4、proformas X.240X.259 Protocol Identification X.260X.269 Security Protocols X.270X.279 Layer Managed Objects X.280X.289 Conformance testing X.290X.299 INTERWORKING BETWEEN NETWORKS General X.300X.349 Satellite data transmission systems X.350X.369 IP-based networks X.370X.379 MESSAGE HANDLING SYSTEMS

5、X.400X.499 DIRECTORY X.500X.599 OSI NETWORKING AND SYSTEM ASPECTS Networking X.600X.629 Efficiency X.630X.639 Quality of service X.640X.649 Naming, Addressing and Registration X.650X.679 Abstract Syntax Notation One (ASN.1) X.680X.699 OSI MANAGEMENT Systems management framework and architecture X.70

6、0X.709 Management communication service and protocol X.710X.719 Structure of management information X.720X.729 Management functions and ODMA functions X.730X.799 SECURITY X.800X.849 OSI APPLICATIONS Commitment, concurrency and recovery X.850X.859 Transaction processing X.860X.879 Remote operations X

7、.880X.889 Generic applications of ASN.1 X.890X.899 OPEN DISTRIBUTED PROCESSING X.900X.999 INFORMATION AND NETWORK SECURITY X.1000X.1099 SECURE APPLICATIONS AND SERVICES X.1100X.1199 CYBERSPACE SECURITY X.1200X.1299 SECURE APPLICATIONS AND SERVICES X.1300X.1399 CYBERSECURITY INFORMATION EXCHANGE X.15

8、00X.1599 CLOUD COMPUTING SECURITY X.1600X.1699 For further details, please refer to the list of ITU-T Recommendations. Rec. ITU-T X.783 (07/2014) i Recommendation ITU-T X.783 Guidelines for implementation conformance statement proformas associated with web services-based management systems Summary R

9、ecommendation ITU-T X.783 provides guidelines for implementation conformance statement (ICS) proformas for web services-based interface systems. It provides an overview and constructions for the web service description language (WSDL), and provides several proformas (tables) for each WSDL component

10、to be used in interfaces. Instructions on how to complete the columns in the conformance tables are also provided. Examples of web services interface ICSs are provided in appendices. History Edition Recommendation Approval Study Group Unique ID* 1.0 ITU-T X.783 2014-07-14 2 11.1002/1000/12203 _ * To

11、 access the Recommendation, type the URL http:/handle.itu.int/ in the address field of your web browser, followed by the Recommendations unique ID. For example, http:/handle.itu.int/11.1002/1000/11830-en. ii Rec. ITU-T X.783 (07/2014) FOREWORD The International Telecommunication Union (ITU) is the U

12、nited Nations specialized agency in the field of telecommunications, information and communication technologies (ICTs). The ITU Telecommunication Standardization Sector (ITU-T) is a permanent organ of ITU. ITU-T is responsible for studying technical, operating and tariff questions and issuing Recomm

13、endations on them with a view to standardizing telecommunications on a worldwide basis. The World Telecommunication Standardization Assembly (WTSA), which meets every four years, establishes the topics for study by the ITU-T study groups which, in turn, produce Recommendations on these topics. The a

14、pproval of ITU-T Recommendations is covered by the procedure laid down in WTSA Resolution 1. In some areas of information 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 “Administ

15、ration“ is used for conciseness to indicate both a telecommunication administration and a recognized operating agency. Compliance with this Recommendation is voluntary. However, the Recommendation may contain certain mandatory provisions (to ensure, e.g., interoperability or applicability) and compl

16、iance with the Recommendation is achieved when all of these mandatory provisions are met. The words “shall“ or some other obligatory language such as “must“ and the negative equivalents are used to express requirements. The use of such words does not suggest that compliance with the Recommendation i

17、s required of any party. INTELLECTUAL PROPERTY RIGHTSITU draws attention to the possibility that the practice or implementation of this Recommendation may involve the use of a claimed Intellectual Property Right. ITU takes no position concerning the evidence, validity or applicability of claimed Int

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

19、n. However, implementers are cautioned that this may not represent the latest information and are therefore strongly urged to consult the TSB patent database at http:/www.itu.int/ITU-T/ipr/. ITU 2015 All rights reserved. No part of this publication may be reproduced, by any means whatsoever, without

20、 the prior written permission of ITU. Rec. ITU-T X.783 (07/2014) iii Table of Contents Page 1 Scope . 1 2 References . 1 3 Definitions 2 3.1 Terms defined elsewhere 2 3.2 Terms defined in this Recommendation . 2 4 Abbreviations and acronyms 2 5 Conventions 2 6 Basis of conformance test methodology f

21、or WSDL-based management system interface 3 6.1 Overview 3 6.2 Methodology of conformance test for web service-based interfaces . 3 6.3 The relationship between this Recommendation and other Recommendations 4 7 WSDL-based management interface ICS proforma . 4 7.1 WSDL and XML schema overview . 5 7.2

22、 Guidelines for specification of WSDL-based interface ICS proformas . 6 8 Instruction for completing the WIICS proformas . 10 8.1 Definition of supported 10 8.2 The “Index“ column 10 8.3 The “Subindex“ column 10 8.4 The “Support“ column 10 8.5 The “Additional information“ column 10 8.6 The “Type“ co

23、lumn 11 8.7 The “Message-typing attribute“ column and the “Type/element“ sub-columns 11 8.8 The “Type identifier“ column . 11 8.9 The “Type/content model“ column. 11 8.10 The “Order“ column . 11 8.11 The “Constraints and values“ column 11 8.12 The “Nillable“ column 12 Appendix I An example of WSDL-b

24、ased interface ICS proforma specification . 13 I.1 WSDL definition example 13 I.2 WIICS example 15 Appendix II An example showing “types support proforma“ specification . 18 II.1 WSDL definition example 18 II.2 WIICS example 18 Appendix III An example showing “appendix any type support proforma“ spe

25、cification . 20 III.1 WSDL definition example 20 iv Rec. ITU-T X.783 (07/2014) Page III.2 WIICS example 21 Bibliography. 23 Rec. ITU-T X.783 (07/2014) 1 Recommendation ITU-T X.783 Guidelines for implementation conformance statement proformas associated with web services-based management systems 1 Sc

26、ope This Recommendation provides guidelines for the web service description language (WSDL)-based interface implementation conformance statement (WIICS) proformas, and the specification of these proformas. The WIICS is a statement made by an implementer to claim conformance to a web services-based i

27、nterface definition. 2 References The following ITU-T Recommendations and other references contain provisions which, through reference in this text, constitute provisions of this Recommendation. At the time of publication, the editions indicated were valid. All Recommendations and other references a

28、re subject to revision; 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. The reference to a do

29、cument within this Recommendation does not give it, as a stand-alone document, the status of a Recommendation. ITU-T Q.818 Recommendation ITU-T Q.818 (2012), Web service-based management services. ITU-T X.290 Recommendation ITU-T X.290 (1995), OSI conformance testing methodology and framework for pr

30、otocol Recommendations for ITU-T applications General concepts. ITU-T X.291 Recommendation ITU-T X.291 (1995), OSI conformance testing methodology and framework for protocol Recommendations for ITU-T applications Abstract test suite specification. ITU-T X.296 Recommendation ITU-T X.296 (1995), OSI c

31、onformance testing methodology and framework for protocol Recommendations for ITU-T applications Implementation conformance statements. ITU-T X.724 Recommendation ITU-T X.724 (1996), Information technology Open Systems Interconnection Structure of management information: Requirements and guidelines

32、for implementation conformance statement proformas associated with OSI management. ITU-T X.782 Recommendation ITU-T X.782 (2012), Guidelines for defining web services for managed objects and management interfaces. W3C WSDL W3C Recommendation (2001), Web Services Description Language (WSDL) 1.1. W3C

33、XML W3C Recommendation (2000), Extensible Markup Language (XML) 1.0 (Second Edition). 3 Definitions 3.1 Terms defined elsewhere This Recommendation uses the following terms defined elsewhere: 2 Rec. ITU-T X.783 (07/2014) 3.1.1 (ICS) item ITU-T X.290 3.1.2 (ICS) question ITU-T X.290 3.1.3 status (val

34、ue) ITU-T X.290 3.1.4 (support) answer ITU-T X.290 3.1.5 test case ITU-T X.290 3.2 Terms defined in this Recommendation None. 4 Abbreviations and acronyms This Recommendation uses the following abbreviations and acronyms: CORBA Common Object Request Broker Architecture HTTP Hypertext Transport Proto

35、col ICS Implementation Conformance Statement IUT Implementation Under Test IXIT Implementation Extra Information for Testing RP Reference Point SOAP Simple Object Access Protocol tML Telecomunications Markup Language WIICS WSDL-based Interface Implementation Conformance Statement W3C World Wide Web

36、Consortia WSDL Web Service Description Language WWW World Wide Web XML Extensible Markup Language 5 Conventions A few conventions are followed in this Recommendation to make the reader aware of the purpose of the text. Examples of web service description language (WSDL) and extensible markup languag

37、e (XML) are written in courier new typeface in this Recommendation: Rec. ITU-T X.783 (07/2014) 3 6 Basis of conformance test methodology for WSDL-based management system interface 6.1 Overview Conformance relates an implementation to a standard. It states in which way systems, implemented with respe

38、ct to a standard, can vary without errors occurring in their cooperation. If an implementation fulfils these requirements, it is conformant to the standard. The check of the statements is the conformance test. The starting point is the definition of conformance requirements in implementation indepen

39、dent interface specifications on the basis of identification of reference points (RPs). A management interface specification should define conformance RPs at which an implementation must be tested to check if it fulfils a set of conformance criteria. During the test, a number of stimuli and events a

40、re observed and evaluated at these conformance RPs. Management interface specifications should include conformance statements which identify conformance RPs at every interface of the specified implementations. Because, in general, the information flow between two system components is realized throug

41、h several RPs, the conformance test has to take the following into consideration: a) the test of information flow at each RP; b) the test of consistency between the combinations. Thus, a coordinated test, at all identified RPs is necessary. 6.2 Methodology of conformance test for web service-based i

42、nterfaces There are static and dynamic conformance test requirements: a) Static conformance test requirements state the functionality that is minimally necessary for conformance testing. The basis of the static conformance test is an implementation conformance statement (ICS) proforma where the func

43、tional limitations and possibilities of the standard are defined. It is a document in the form of a questionnaire that has to be completed by the implementer. b) Dynamic conformance test requirements specify the potential behaviours of an implementation visible at the identified RPs. The dynamic con

44、formance test contains the realization of test cases in a testing system. Test cases include concrete test cases and abstract test cases. The concrete test cases are derived from abstract test cases that are given or defined by the standard. A basic precondition for the derivation of the test cases

45、is the definition of test purposes by the standard. Before starting the test in a test laboratory, the steps below must be followed: a) The implementer has to complete the given ICS proforma. Information which makes the ICS proforma statements more precise or concerns the test realization is include

46、d in the implementation extra information for testing (IXIT). b) The so-called real (concrete) test cases should be derived from the abstract test cases of the standard, or they can be derived from the test purposes directly, where generic aspects (e.g. types) are realized depending on the individua

47、l implementation. Figure 1 illustrates this approach. 4 Rec. ITU-T X.783 (07/2014) Figure 1 Testing process of WSDL-based interfaces 6.3 Relationship between this Recommendation and other Recommendations a) Relationship with ITU-T X.296 ITU-T X.296 provides the common basic for ICS proformas. This R

48、ecommendation uses the concepts from ITU-T X.296. b) Relationship with b-ITU-T X.781 b-ITU-T X.781 provides the guidelines for ICS of common object request broker architecture (CORBA)-based systems. The conformance testing of this Recommendation use b-ITU-T X.781 as an example, and use some tables f

49、rom b-ITU-T X.781 and make corresponding changes based on web services technology accordingly. c) Relationship with b-ITU-T M.3031 b-ITU-T M.3031 mainly deals with the telecommunications markup language (tML)-based ICS proforma definition, but there are no ICS proformas to verify interaction, only some to verify conformance of tML-based data types. This Recommendation provides the ICS proformas for both interface interactions as well as data t