INTERNATIONAL ISO/IEC STANDARD 29168-1 Information technology Open systems interconnection- Part 1: Object identifier resolution system Technologies de l'information-Interconnexiondesystemes ouverts (OSI) - Partie 1:Systeme dereésolutiond'identificateur d'objet Reference number ISO/IEC 29168-1:2011(E) IEC ISO/IEC201 ISO/IEC 29168-1:2011(E) COPYRIGHTPROTECTEDDOCUMENT ISO/IEC2011 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-1211Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland ISO/IEC29168-1:2011(E) CONTENTS Page 1 Scope 2 Normative references 2.1 Identical Recommendations IInternational Standards 2.2 Additional references. 3 Definitions.. N 3.1 Imported definitions 2 3.2 Additional definition.. N 4 Abbreviations andacronyms. 3 5 OID resolution system architecture 5.1 OID resolution process.. 4 5.2 Interactions between components in thegeneral OID resolution process 6 DNS zone files for the .oid-res.org domain... 5 6.1 Overview. 6.2 Requirements and restrictions on DNS zone files in the .oid-res.org domain 6 6.3 Use of DNS resource records for ORS services. 6 6.4 Security considerations ... 7 Operation of an ORS client. 7 7.1 Functional interfaces. 7.2 Processing a query... 7 7.3 Converting an OID-IRI value to an FQDN. 7 7.4 Processing DNS results .... 8 7.5 Security considerations . 8 Requirements on ORS service specifications ..... 8 8 8.1 Specification of NAPTR information.. 8 8.2 Recommendations forORS application processing 8 Annex A- Assigned ORS service types 9 Annex B -Specification of the OID canonicalization (COID) ORS service . 10 Annex C- Specification of the child information (CINF) ORS service, 11 C.1 General.... 11 C.2 CINF XML file ... 11 Annex D - Specification of the registration information (RINF) ORS service .... 13 D.1 General.... 13 D.2 RINF XML file .... 13 Annex E - Specification of the module information (MINF) ORS service. 15 Annex F-Description ofuse cases 16 F.1 OID canonicalization (COID) ORS service 16 F.2 Child information (CINF) ORS service .... 16 F.3 Registrationinformation(RINF)ORSservice 16 F.4 Module information (MINF) ORS service. 16 Annex G-Examples of ORS operation. 17 G.1 Example of DNS zone files for the ORS. 17 G.2 Examples of NAPTR resourcerecords 17 Annex H-History of object identifiers (OIDs) 18 Annex I Bibliography . 19