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Iso14369 guidelines for preparation of language independent service specifications liss

TECHNICAL REPORT ISO IEC TR First edition - - Information technology ?? Programming languages their environments and system software interfaces ?? Guidelines for the preparation of Language- Independent Service Speci ?cations LISS Technologies de l'information ?? Langages de programmation leurs environnements et interfaces du logiciel d'exploitation ?? Lignes directrices pour l'élaboration de spéci ?cations de service indépendantes du langage LISS ?? PROOF ÉPREUVE Reference number ISO IEC TR E ? ISO IEC CISO IEC TR E PDF disclaimer This PDF ?le may contain embedded typefaces In accordance with Adobe's licensing policy this ?le may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing In downloading this ?le parties accept therein the responsibility of not infringing Adobe's licensing policy The ISO Central Secretariat accepts no liability in this area Adobe is a trademark of Adobe Systems Incorporated Details of the software products used to create this PDF ?le can be found in the General Info relative to the ?le the PDF-creation parameters were optimized for printing Every care has been taken to ensure that the ?le is suitable for use by ISO member bodies In the unlikely event that a problem relating to it is found please inform the Central Secretariat at the address given below ? ISO IEC All rights reserved Unless otherwise speci ?ed no part of this publication may be reproduced or utilized in any form or by any means electronic or mechanical including photocopying and micro ?lm without permission in writing from either ISO at the address below or ISO's member body in the country of the requester ISO copyright o ?ce Case postale CH- Geneva Tel Fax E-mail copyright iso ch Web www iso ch Printed in Switzerland ii PROOF ÉPREUVE ? ISO IEC ?? All rights reserved CISO IEC TR E Contents Page INTRODUCTION X Background x Principles x SCOPE REFERENCES DEFINITIONS AND ABBREVIATIONS De ?nitions Abbreviations OVERVIEW Services interfaces service providers and service users Information technology services Services and language independence Language-independent speci ?cations Problems of language dependence and inbuilt assumptions Representational assumptions Implementation assumptions GUIDELINES ON STRATEGY General guidelines Guideline Dependence of the interface on the service Guideline What to do when there are interoperability concurrency or time constraint issues Guideline Use of marshalling unmarshalling Guideline Recruiting expertise from a variety of backgrounds What to do if starting from scratch General guidelines Specifying the service in language-independent form Specifying the interface to the service in language-independent form ? ISO IEC ?? All rights reserved PROOF ÉPREUVE iii CISO IEC TR E What to do if starting from an existing language-dependent speci ?cation General guidelines Converting an existing language-dependent speci ?cation of the service into languagendependent form Converting an existing implicit interface into an explicit language- independent interface Specifying a language-independent interface to a service whose speci ?cation is languagedependent GUIDELINES ON DOCUMENT ORGANISATION Guideline The general framework Checklist of parts for inclusion Guideline Production and publication