ISO/IEC INTERNATIONAL STANDARD 13236 First edition 1998-12-15 Information technology Quality of service: Framework Technologies de I'information - Qualite du service: Cadre IEC Reference number ISO/IEC 13236:1998(E) HS under ted without license from IHS Not for Resale ISO/IEC 13236:1998(E) Contents Page 1 Scope 1 2 Normative references . 2 2.1 Identical Recommendations I International Standards 2 2.2 Paired Recommendations I International Standards equivalent in te 2 2.3 Additional references.. 2 3 Definitions.. 2 3.1 Basic Reference Model of Open Distributed Processing definitions. 2 3.2 Basic Reference Model - OSI Management Framework definitions 2 3.3 Service Conventions definitions . 2 3.4 OSI Basic Reference Model definitions .. 3 3.5 QOS Framework definitions... 3 4 Abbreviations... 4 5 Concepts of this QOS Framework .. 5 5.1 Introduction ... 5 5.2 The service to which QOS applies... 5 5.3 QOS characteristics.... 6 5.4 User QOS requirements and QOS policies... 6 5.5 QOS requirements, QOS parameters and QOS context..... 6 5.6 QOS management functions and QOS mechanisms.... 7 5.7 QOS categories.... 8 5.8 Initiation of QOS management... 8 6 Definition of QOS characteristics.. 8 6.1 Introduction .... 8 6.2 Aspects of QOS characteristic definition... 9 6.3 QOS characteristics of general importance.. 11 6.4 Fundamental QOS categories . 19 7 QOS management.. 20 7.1 Introduction ... 20 7.2 Prediction phase.. 22 7.3 Establishment phase. 22 7.4 Operational phase .... 26 7.5 Supporting services.. 26 8 General QOS mechanisms .. 27 8.1 Introduction .... 27 8.2 Prediction phase mechanisms .... 27 8.3 Establishment phase mechanisms... 27 8.4 Operational phase mechanisms... 28 @ISO/IEC1998 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writingfrom the publisher. ISO/IEC Copyright Office · Case postale 56 · CH-1211 Geneve 20 · Switzerland Printed in Switzerland Copyright IntenationalOrganizationfor Standardization ted without license from IHS Not for Resale @ISO/IEC ISO/IEC 13236:1998(E) 9 Specific QOS requirements . 31 9.1 QOS requirements related to single QOS characteristic: 31 9.2 QOS requirements related to multiple characteristics 32 10 QOS verification... 32 10.1 Introcudtion and stages. 32 10.2 QOS verification concepts.. 33 11 Conformance, consistency and compliance... 33 11.1 Conformanceand theinter-relationship of standards... 33 11.2 Definitions.... 33 11.3 Application of consistency and compliance requirements . 34 11.4 Consistency and compliance with ITU-T Rec. X.200 IISO/IEC 7498-1 34 Annex A - The model of QOS for OSI 35 A.1 Introduction. 35 A.2 Architectural principles 35 A.3 Motivation for the provision of QOS 36 A.4 Information flows in the model ... 36 A.5 Layer model of QOS for OSI . 39 A.6 System model of QOS in OSI , 42 Annex B - Definitions of statistical derivations of characteristics .. 44 Annex C - Relationships between QOs Recommendations I International Standards and other Recommen- dations I International Standards.. 45 Annex D - Cost Information. 47 Annex E - QOS Bibliography 48 iii Copyright International Organization for Standardization se from IHS Not for Resale