ISO/IEC INTERNATIONAL STANDARD 15955 First edition 1999-12-15 Information technology Open Systems Interconnection Connectionless protocol for the Application Service Object Association Control Service Element TechnologiesdeIinformation-Interconnexiondessystemes ouverts-ProtocoleenmodesansconnexionpourI'elémentde servicede controle d'association des objets de serviced'application Reference number ISO/IEC 15955:1999(E) IEC @ISO/IEC1999 ISO/IEC15955:1999(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 area. Adobe is a trademark 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 Casepostale 56.CH-1211Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 734 10 79 E-mail [email protected] Web www.iso.ch Printed in Switzerland i @ISO/IEC1999All rights reserved ISO/IEC15955:1999(E) CONTENTS Page 1 Scope 1 2 Normative references 1 2.1 Identical ITU-T Recommendations |International Standards. 2.2 Paired ITU-T Recommendations I International Standards equivalent in technical content 2 3 Definitions.... 3 3.1 Reference model definitions. 3 3.2 Naming and addressing definitions .. 3 3.3 Service conventions definitions. 3 3.4 Presentation servicedefinitions. 3 3.5 ACSE service definitions 4 3.6 ApplicationLayerStructuredefinitions 4 4 Abbreviations 4 4.1 Data Units 4 4.2 Types of application-protocol-data-units 4 4.3 Other abbreviations .... 5 5 Conventions 5 6 Overview of the protocol.. 5 6.1 Service provision 5 6.2 Use of a supporting service 5 6.3 Model, 6 7 Elements of procedure 6 7.1 A-UNIT-DATA transfer . 6 7.1.1 Purpose.. 6 7.1.2 APDUs used 6 7.1.3 A-UNIT-DATA transfer procedure.. 6 7.1.4 Use of the AUDT APDU fields. 7 7.1.5 Collisions and interactions . 10 7.2 Rules for extensibility 10 8 Mapping to the supporting service 10 8.1 IA-UNIT-DATA.submit. 10 8.1.1 When Invoked 10 8.1.2 Action upon Receipt. 10 8.2 IA-UNIT-DATA.deliver 10 8.2.1 When Invoked 10 8.2.2 Action upon Receipt. 10 8.2.3 IA-UNIT-DATA Parameters 10 @ISO/IEC 1999 - All rights reserved ili ISO/IEC15955:1999(E) Page 9 Abstract Syntax Definition of APDUs 11 10 Conformance 12 10.1 Statement requirements 12 10.2 Static requirements. 12 10.3 Dynamic requirements. 12 11 Precedence 12 Annex A - State table. 13 A.1 General ... 13 A.2 Conventions.. 13 A.3 Actions to be taken by the ACPM...... 13 A.4 Relationship to Presentation and other ASEs. 13 Annex B-Summary of Assigned Object Identifier values. 15 Annex C - Specification of IA-Service Mapping to the Presentation and ACSE Service . 16 iv @ ISO/IEC 1999 - All rights reserved ISO/IEC15955:1999(E) Foreword ISO (the International Organization for Standardization)and IEC (the International Electrotechnical Commission) form the specialized system for worldwide standardization. National bodies that are members of iSO or IEC respective organization to deal with particular fields of technical activity. ISO and IEC technical committees collaborate in fields of mutual interest. Other international organizations, governmental and non-governmental, in liaison with ISO and IEC, also take part in the work. International Standards are drafted in accordance with the rules given in the ISO/l