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 Z.161.1 TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU (10/2017) SERIES Z: LANGUAGES AND GENERAL SOFTWARE ASPECTS FOR TELECOMMUNICATION SYSTEMS Formal description techniques (FDT) Testing and Test Control Notation (TTCN) T
2、esting and Test Control Notation version 3: TTCN-3 language extensions: Support of interfaces with continuous signals Recommendation ITU-T Z.161.1 ITU-T Z-SERIES RECOMMENDATIONS LANGUAGES AND GENERAL SOFTWARE ASPECTS FOR TELECOMMUNICATION SYSTEMS FORMAL DESCRIPTION TECHNIQUES (FDT) Specification and
3、 Description Language (SDL) Z.100Z.109 Application of formal description techniques Z.110Z.119 Message Sequence Chart (MSC) Z.120Z.129 User Requirements Notation (URN) Z.150Z.159 Testing and Test Control Notation (TTCN) Z.160Z.179 PROGRAMMING LANGUAGES CHILL: The ITU-T high level language Z.200Z.209
4、 MAN-MACHINE LANGUAGE General principles Z.300Z.309 Basic syntax and dialogue procedures Z.310Z.319 Extended MML for visual display terminals Z.320Z.329 Specification of the man-machine interface Z.330Z.349 Data-oriented human-machine interfaces Z.350Z.359 Human-machine interfaces for the management
5、 of telecommunications networks Z.360Z.379 QUALITY Quality of telecommunication software Z.400Z.409 Quality aspects of protocol-related Recommendations Z.450Z.459 METHODS Methods for validation and testing Z.500Z.519 MIDDLEWARE Processing environment architectures Z.600Z.609 For further details, ple
6、ase refer to the list of ITU-T Recommendations. Rec. ITU-T Z.161.1 (10/2017) i Recommendation ITU-T Z.161.1 Testing and Test Control Notation version 3: TTCN-3 language extensions: Support of interfaces with continuous signals Summary Recommendation ITU-T Z.161.1 defines the “continuous signal suppo
7、rt“ package of TTCN-3. TTCN-3 can be used for the specification of all types of reactive system tests over a variety of communication ports. Typical areas of application are protocol testing (including mobile and Internet protocols), service testing (including supplementary services), module testing
8、, testing of Common Object Request Broker Architecture (CORBA) based platforms, testing of application programming interfaces (APIs), etc. TTCN 3 is not restricted to conformance testing and can be used for many other kinds of testing including interoperability, robustness, regression, system and in
9、tegration testing. The specification of test suites for physical layer protocols is outside the scope of this Recommendation. History Edition Recommendation Approval Study Group Unique ID* 1.0 ITU-T Z.161.1 2012-05-29 17 11.1002/1000/11606 2.0 ITU-T Z.161.1 2014-11-13 17 11.1002/1000/12348 3.0 ITU-T
10、 Z.161.1 2015-10-29 17 11.1002/1000/12618 4.0 ITU-T Z.161.1 2017-10-14 17 11.1002/1000/13370 Keywords Languages, TTCN-3. _ * To 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
11、.itu.int/11.1002/1000/11830-en. ii Rec. ITU-T Z.161.1 (10/2017) FOREWORD The International Telecommunication Union (ITU) is the United Nations specialized agency in the field of telecommunications, information and communication technologies (ICTs). The ITU Telecommunication Standardization Sector (I
12、TU-T) is a permanent organ of ITU. 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 Assembly (WTSA), which meets every four
13、 years, establishes the topics for study by the ITU-T study groups which, in turn, produce Recommendations on these topics. The approval 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
14、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 agency. Compliance with this Recommendation is voluntary. Ho
15、wever, the Recommendation may contain certain mandatory provisions (to ensure, e.g., interoperability or applicability) and compliance 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 negati
16、ve equivalents are used to express requirements. The use of such words does not suggest that compliance with the Recommendation is required of any party. INTELLECTUAL PROPERTY RIGHTSITU draws attention to the possibility that the practice or implementation of this Recommendation may involve the use
17、of a claimed Intellectual Property Right. ITU takes no position concerning the evidence, validity or applicability of claimed Intellectual Property Rights, whether asserted by ITU members or others outside of the Recommendation development process. As of the date of approval of this Recommendation,
18、ITU had not received notice of intellectual property, protected by patents, which may be required to implement this Recommendation. 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.
19、itu.int/ITU-T/ipr/. ITU 2017 All rights reserved. No part of this publication may be reproduced, by any means whatsoever, without the prior written permission of ITU. Rec. ITU-T Z.161.1 (10/2017) 1 Recommendation ITU-T Z.161.1 Testing and Test Control Notation version 3: TTCN-3 language extensions:
20、Support of interfaces with continuous signals 1 Scope This Recommendation defines the “continuous signal support“ package of TTCN-3. TTCN-3 can be used for the specification of all types of reactive system tests over a variety of communication ports. Typical areas of application are protocol testing
21、 (including mobile and Internet protocols), service testing (including supplementary services), module testing, testing of CORBA based platforms, APIs, etc. TTCN-3 is not restricted to conformance testing and can be used for many other kinds of testing including interoperability, robustness, regress
22、ion, system and integration testing. The specification of test suites for physical layer protocols is outside the scope of this Recommendation. TTCN-3 packages are intended to define additional TTCN-3 concepts, which are not mandatory as concepts in the TTCN-3 core language, but which are optional a
23、s part of a package which is suited for dedicated applications and/or usages of TTCN-3. This package defines concepts for testing systems using continuous signals, as opposed to discrete messages, and the characterization of the progression of such signals by use of streams. While the design of TTCN
24、-3 package has taken into account the consistency of a combined usage of the core language with a number of packages, the concrete usages of, and guidelines for, this package in combination with other packages is outside the scope of this Recommendation. 2 References The following ITU-T Recommendati
25、ons 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 are subject to revision; users of this Recommendation are therefore
26、 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 document within this Recommendation does not give it, as a stand-alo
27、ne document, the status of a Recommendation. ETSI ES 202 786 V1.4.1 ETSI ES 202 786 V1.4.1 (2017-05), Methods for Testing and Specification (MTS); The Testing and Test Control Notation version 3; TTCN-3 Language Extensions: Support of interfaces with continuous signals. 3 Definitions 3.1 Terms defin
28、ed elsewhere None. 3.2 Terms defined in this Recommendation None. 2 Rec. ITU-T Z.161.1 (10/2017) 4 Abbreviations and acronyms This Recommendation uses the following abbreviations and acronyms: API Application Programming Interface CORBA Common Object Request Broker Architecture TTCN Testing and Test
29、 Control Notation TTCN-3 Testing and Test Control Notation 3 5 Conventions None. 6 Endorsement ETSI ES 202 786 V1.4.1 was approved by ITU-T as the basis for Recommendation ITU-T Z.161.1. Printed in Switzerland Geneva, 2017 SERIES OF ITU-T RECOMMENDATIONS Series A Organization of the work of ITU-T Se
30、ries D Tariff and accounting principles and international telecommunication/ICT economic and policy issues Series E Overall network operation, telephone service, service operation and human factors Series F Non-telephone telecommunication services Series G Transmission systems and media, digital sys
31、tems and networks Series H Audiovisual and multimedia systems Series I Integrated services digital network Series J Cable networks and transmission of television, sound programme and other multimedia signals Series K Protection against interference Series L Environment and ICTs, climate change, e-wa
32、ste, energy efficiency; construction, installation and protection of cables and other elements of outside plant Series M Telecommunication management, including TMN and network maintenance Series N Maintenance: international sound programme and television transmission circuits Series O Specification
33、s of measuring equipment Series P Telephone transmission quality, telephone installations, local line networks Series Q Switching and signalling, and associated measurements and tests Series R Telegraph transmission Series S Telegraph services terminal equipment Series T Terminals for telematic serv
34、ices Series U Telegraph switching Series V Data communication over the telephone network Series X Data networks, open system communications and security Series Y Global information infrastructure, Internet protocol aspects, next-generation networks, Internet of Things and smart cities Series Z Languages and general software aspects for telecommunication systems
