ISO INTERNATIONAL STANDARD 23103 First edition 2020-01 Space link extension Cross support transfer service Specification framework Reference number IS0 23103:2020(E) ISO @IS02020 IS0 23103:2020(E) COPYRIGHTPROTECTEDDOCUMENT @ ISO 2020 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting below or Iso's member body in the country of the requester. ISO copyright office CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 0111 Fax: +41 22 749 09 47 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2020 - All rights reserved IS0 23103:2020(E) Foreword Iso (the International Organization for Standardization) is a worldwide federation of national standards bodies (IsO member bodies). The work of preparing International Standards is normally carried out through Iso technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with Iso, also take part in the work ISo collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the different types of IsoO documents should be noted (see www.iso.org/directives). Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. IsO shall not be held responsible for identifying any or all such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the Iso list of patent declarations received (see www.iso.org/patents). Any trade name used in this document is information given for the convenience of users and does not constitute an endorsement. For an explanation of the voluntary nature of standards, the meaning of Iso specific terms and expressions related to conformity assessment, as well as information about Iso's adherence to the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see www.iso.org/iso/foreword.html. This document was prepared by Consultative Committee for Space Data Systems (CCSDS) (as CCSDS 921.1-B-1, April 2017) and drafted in accordance with its editorial rules. It was assigned to Technical Committee ISo/TC 20, Space vehicles, Subcommittee SC 13, Space data and information transfer systems and adopted under the“fast-track procedure". Any feedback or questions on this document should be directed to the user's national standards body A complete listing of these bodies can be found at www.iso.org/members.html. @ IS0 2020 - All rights reserved ii IS0 23103:2020(E) CCSDS RECOMMENDED STANDARD FOR CSTS SPECIFICATION FRAMEWORK CONTENTS Section Page INTRODUCTION 1-1 1.1 PURPOSE. 1.2 SCOPE 1-1 1.3 APPLICABILITY. 1-1 1.4 RATIONALE... ,1-2 1.5 DOCUMENT STRUCTURE .. 1-2 1.6 DEFINITIONS, NOMENCLATURE AND CONVENTIONS .1-5 1.7 REFERENCES 2 DESCRIPTION OF CROSS SUPPORT SERVICES. 2.1 OVERVIEW 2-1 2.2 CROSS SUPPORTREFERENCEMODEL .2-3 2.3 SERVICE MANAGEMENT.. 2-4 2.4 ELEMENTS OF THE CSTS SPECIFICATION FRAMEWORK 2-5 2.5 PRINCIPLES OF USING THE CSTS SPECIFICATION FRAMEWORK 2-9 2.6 PROTOCOL DESCRIPTION . .2-11 COMMON OPERATIONS. 3.1 OVERVIEW ..3-1 3.2 GENERAL CONSIDERATIONS . ..3-1 3.3 STANDARD OPERATIONHEADER. 3-6 3.4 BIND (CONFIRMED) .. .3-9 3.5 UNBIND (CONFIRMED).. 3-14 3.6 PEER-ABORT (UNCONFIRMED) 3-15 3.7 START (CONFIRMED). 3-17 3.8 STOP (CONFIRMED) . .3-19 3.9 TRANSFER-DATA (UNCONFIRMED).. .3-20 3.10 PROCESS-DATA (UNCONFIRMED / CONFIRMED)