96 9 4851903 30676310 280 INTERNATIONAL ISO/IEC STANDARD 8886 Second edition 1996-09-15 Information technology - Open Systems Interconnection --- Data link service definition Technologies de I'information -Interconnexion de systemes ouverts (Osi) - Definition du service de liaison de données This material is reproduced from iso documents under International Organization for Standardization (IsO) Copyright License number IHS/ICC/1996. Not for resale. No part of these Iso documents may be reproduced in any form, electronic retrieval system or otherwise, except as allowed in the copyright law of the country of use, or with the prior written consent of Iso (Case postale 56, 1211 Geneva 20, Switzerland, Fax +41227341079),IHSortheISOLicensor'smembers. TEC Reference number ISO/IEC 8886:1996(E) Copyright International Organization for Standardization No reproduction or networking permitted without license from IHS Not for Resale 8886 96 48519030676311117 ISO/IEC 8886:1996(E) Contents Page 1 Scope.. 1 2 Normativereferences. 1 2.1 Identical Recommendations I International Standards 3 Definitions.. 1 3.1 OSI Reference Model definitions . 1 3.2 ServiceConventionsdefinitions. 2 3.3 Data Link Service definitions ... 2 4 Abbreviations. 2 5 Conventions... 2 5.1 General conventions... 2 5.2 Parameters... 3 6 Overviewof theDataLinkService.. 3 7 Classes and types of Data Link Service .... 3 8 Features of the connection-mode Data Link Service . 4 9 Model of the connection-mode Data Link Service .. 4 9.1 DLC Endpoint Connection Identification ... 4 9.2 Model of a Data-link-connection ... 4 10 Quality of connection-mode Data Link Service..... 7 10.1 7 10.2 Definition of connection-mode QoS parameters.... 8 11 Sequence of primitives.... 10 11.1 Concepts used to define the connection-mode Data Link Service. 10 11.2 Constraints of Sequence of Primitives ... 10 12 Connection establishment phase .. 12 12.1 Function.... 12 12.2Types of primitives and parameters.... 13 12.3 14 ?ISO/IEC1996 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 writing from the publisher. ISO/IEC Copyright Office · Case postale 56 · CH-1211 Geneve 20 - Switzerland Printed in Switzerland ii yright International Organization for Standardizatior ovided by IHS under license with ISC Not for Resale 4851903 0676312 053 888696 @ ISO/IEC ISO/IEC 8886:1996(E) 13 Connection release phase . 14 13.1 Function .. 14 13.2 Types of primitive and parameters. 15 13.3 Sequence of primitives when releasing an established DLC. 16 13.4 Sequence of primitives in a DLS user rejection of DLC establishment attempt. 17 13.5 Sequence of primitives in a DLS provider rejection of a DLC establishment attemp .. 17 13.6 Sequence of primitives in a DLS user abort of a DLC establishment attempt... 17 14 Data transfer phase.. 18 14.1 Data transfer.. 18 19 15 Features of the Connectionless-mode Data Link Service 21 16 Model of the Connectionless-mode Data Link Service. 21 16.1 Model of a data-link-connectionless-mode data transmission .... 22 17 QualityofConnectionless-modeService. 22 17.1Determination of QOS for Connectionless-mode Service.. 23 17.2Definition of connectionless-mode QOS parameters... 23 18 Sequence of connectionless-mode primitives at one DLSAP 24 19 Data transfer ... 25 19.1 Function .... 25 19.2 Types of primitives and parameters . 25 19.3Sequence of primitives 26 ii ided by IHS under lic