ISO/IEC INTERNATIONAL STANDARD 10731 Firstedition 1994-12-15 Information technology -- Open Systems Interconnection Basic Reference Model - Conventions for the definition of OSI services Technologies de I'information -Interconnexion de systemes ouverts Modele de Reférence de Base - Conventions pour la definition des servicesOS! IEC Tso Reference number ISO/IEC 10731:1994(E) Copyright Intemational Organization for Standardization Not for Resale ISO/IEC 10731:1994(E) Contents Page 1 Scope. 1 2 Normativereferences 1 2.1 Identical Recommendations and International Standards. 1 2.2 Paired Recommendations I International Standards equivalent in technical content. 1 3 1 3.1 Terms defined in the OSI Basic Reference Model. 3.2 Terms defined in the Application Layer Structure 2 3.3 Terms defined in this Recommendation I International Standard. 2 4 Abbreviations. 3 SECTION 1-GENERAL MODEL AND CONVENTIONS 3 5 Model of service 3 5.1 The concept of OsI-service definition. 3 5.2 The general model of an OSI-service definition. 4 5.3 The concepts of requestor and acceptor. 6 5.4 Categories of facilities within an OSI-service 6 5.5 Application of the model to various types of communication .. 6 6 Structure of OSI-service primitives 8 6.1 OSI-service primitives 8 6.2 Properties of OSI-service primitives... 8 6.3 Names of OSI-service primitives 8 6.4 OsI-service primitive parameters . 9 7 OSI-service definition techniques 9 7.1 Definition of OSI-local views and their relations 9 7.2 Conventions for time-sequence diagri 10 @ISO/IEC1994 reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the publisher. ISO/IEC Copyright Office · Case Postale 56 · CH-1211 Geneve 20 · Switzerland Printed in Switzerland ii Not for Resale ISO/IEC 10731:1994(E) SECTION 2- THE APPLICATION LAYER. 12 8 Model of OSI-service for the Application Layer 12 9 OSI-service primitives in the Application Layer. 12 9.1 Names of OSI-service primitives in the Application Laye 12 SECTION 3 --LAYERS 1-6 12 10 Model of OSI-service for layers 1-6 12 11 OSI-service primitives in layers 1-6. 12 11.1 Names of oSI-service primitives in layers 1-6. 12 Annex A - Conventions for naming OSI-service primitives.. 13 A.1 Service-user-nam 13 A.2 Service-primitive-name. 13 A.3OSI-service primitive tyF 13 A.4Abbreviated names of OSI-service primitive types 13 Annex B -- Conventions for parameter descriptio 14 Annex C - Correlations between OSI-service primitives at different OSI-local views . 14 Annex D -- Alternative and additional time-sequence diagrams for two-party communications 15 AnnexE-Examples of use of OosI-servicedefinitions 16 E.1 Example of symmetrical service. 16 E.2 Example of asymmetrical service 16 Annex F - Abracadabra service definition . 17 F.1 Introductio 17 F.2 The States of an OSI-local view 18 F.3 Abracadabra service - Symmetrical version 19 F.4 Abracadabra service - Client/Server version. 22 iii No reproduction or networking permitted without license from IHS Not for Resale