ISO_IEC_23681_2019-Character_PDF_documenten.pdf

Information technology Self-contained Information Retention Format(SIRF)SpecificationINTERNATIONAL STANDARDISO/IEC23681Reference numberISO/IEC 23681:2019(E)First edition2019-05 ISO/IEC 2019 ISO/IEC 23681:2019(E)ii ISO/IEC 2019 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO/IEC 2019All 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 on the internet or an intranet,without prior written permission.Permission can be requested from either ISO at the address below or ISOs member body in the country of the requester.ISO copyright officeCP 401 Ch.de Blandonnet 8CH-1214 Vernier,GenevaPhone:+41 22 749 01 11Fax:+41 22 749 09 47Email:copyrightiso.orgWebsite:www.iso.orgPublished in Switzerland ISO/IEC 23681:2019(E)Foreword.ivIntroduction.v1 Scope.12 Normative references.13 Terms and definitions.14 Business Case.25 Specification Overview.35.1 Container Components.35.2 SIRF Catalog.45.3 Metadata Units.56 Container Information Metadata.56.1 Specification Category.56.2 Container ID Category.66.3 State Category.66.4 Provenance Category.86.5 Audit Log Category.97 Object Information Metadata.97.1 Object IDs Category.97.2 Dates Category.117.3 Related Objects Category.127.4 Packaging Format Category.127.5 Fixity Category.137.6 Retention Category.137.7 Audit Log Category.147.8 Extension Category.158 Serialization for SNIA CDMI.158.1 Catalog Serialization:Object IDs Category.178.2 Catalog Serialization:Fixity Category.179 Serialization for SNIA LTFS.179.1 Catalog Serialization:Object IDs Category.189.2 Catalog Serialization:Fixity Category.1910 Serialization for OpenStack Swift.1911 Use Case Example.22Annex A(informative)XML schema for the SIRF catalog.25Annex B(informative)Sample XML catalog.29Annex C(informative)Sample JSON catalog.33Bibliography.37 ISO/IEC 2019 All rights reserved iiiContents Page ISO/IEC 23681:2019(E)ForewordISO(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 participate in the development of International Standards through technical committees established by the 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.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 document 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 and IEC 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)or the IEC list of patent declarations received(see http:/patents.iec.ch).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 ISOs 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 SNIA(as SIRF Specification V1.0)and drafted in accordance with its editorial rules.It was adopted,under the JTC 1 PAS procedure,by Joint Technical Committee ISO/IEC JTC 1,Information technology.Any feedback or questions on this document should be directed to the users national standards body.A complete listing of these bodies can be found at www.iso.org/members.html.iv ISO/IEC 2019 All rights reserved ISO/IEC 23681:2019(E)IntroductionMany organizations now have a requirement to preserve and maintain access to large volumes of digital content indefinitely into the future.Regulatory compliance and legal issues require preservation of email archives,medical records and information about intellectual property.Web services and applications compete to provide storage,organization and sharing of consumers photos,movies,and other creations.And many other fixed-content repositories are charged with collecting and providing access to scientific data,intelligence,libraries,movies and music.A key challenge to this need is the creation of vendor-neutral storage containers that can be interpreted over time.Archivists and records managers of physical items such as d