ISO/IEC INTERNATIONAL STANDARD 15953 First edition 1999-12-15 Information technology Open Systems Interconnection Service definition for the Application Service Object Association Control Service Element TechnologiesdeI'informationInterconnexiondessystemes ouverts-Définition du service pour I'élément de service de controle d'association des objets de service d'application Reference number ISO/IEC 15953:1999(E) IEC @ISO/IEC1999 ISO/IEC15953:1999(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file 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 file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The ISO Central Secretariat accepts no liability in this area. Adobe is atrademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In the unlikely event @ISO/IEC1999 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 either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Case postale 56: CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 734 10 79 E-mail copyright@iso.ch Web www.iso.ch Printed in Switzerland ISO/IEC 15953:1999(E) CONTENTS Page Scope 1 1 2 Normative references. 1 2.1 Identical Recommendations I International Standards. 1 2.2 Paired Recommendations I International Standards equivalent in technical content. 2 3 Definitions.. 3 Reference model definitions.. 3.1 3 Basic Reference Model definitions .. 3.1.1 3 3.1.2 Security architecture definitions.... 3 3.1.3 Naming and addressing definitions ... 3 3.2 Service conventions definitions.... 3 3.3 Presentation service definitions.... 4 3.4 Application Layer Structure definitions.... 4 3.5 ACSE service definitions 4 4 Abbreviations 5 5 Conventions. 6 6 Basic concepts 6 6.1 General 6 6.2 Authentication 6.2.1 Authentication concepts 6.2.2 ACSE authentication facilities 7 7 Service overview 8 7.1 Connection-mode 8 7.1.1 ACSE services 8 7.1.2 Functional units ... 8 7.2 Connectionless-mode .. 10 7.2.1 Functional units.. 10 8 Service definition. 11 8.1 11 8.1.1 A-ASSOCIATE parameters 11 8.1.2 A-ASSOCIATE service procedure 16 8.2 A-RELEASE service 16 8.2.1 A-RELEASE parameters. 17 8.2.2 A-RELEASE service procedure 17 8.3 A.-ABORT service... 18 8.3.1 A-ABORT parameters.. 18 8.3.2 A-ABORT service procedure 19 8.4 A-P-ABORT service .. 19 A-P-ABORT parameter.... 8.4.1 19 8.4.2 A-P-ABORT service procedure 19 8.5 A-DATA Service.. 19 8.5.1 A-DATA parameters. 19 8.5.2 A-DATA procedure.. 20 8.6 A.-ALTER-CONTEXT... 20 8.6.1 A-ALTER-CONTEXT parameters 20 8.6.2 A-ALTER-CONTEXT procedure.. 20 8.7 A-UNIT-DATA service ... 21 8.7.1 A-UNIT-DATA parameters 21 8.7.2 A-UNIT-DATA procedure... 23