FINAL INTERNATIONAL ISO/IEC DRAFT STANDARD FDIS 19941 ISO/IEC JTC 1/SC 38 Information technology Cloud Secretariat: ANSI computing Interoperability and Voting begins on: 2017-08-25 portability Voting terminates on: Technologies de I'information - Informatique en nuage - 2017-10-20 Interopérabilite et portabilité RECIPIENTS OF THIS DRAFT ARE INVITED TO SUBMIT, WITH THEIR COMMENTS, NOTIFICATION OF ANY RELEVANT PATENT RIGHTS OF WHICH THEY AREAWAREAND TO PROVIDESUPPORTING DOCUMENTATION INADDITIONTOTHEIREVALUATIONAS Reference number BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO- LOGICAL, COMMERCIAL AND USER PURPOSES, TEC ISO/IEC FDIS 19941:2017(E) DRAFT INTERNATIONAL STANDARDS MAY ON OCCASION HAVE TO BE CONSIDERED IN THE LIGHT OF THEIR POTENTIAL TO BECOME STAN- DARDS TO WHICH REFERENCE MAY BE MADE IN Copyright Intemational OrgNAZIONALstFSalzATOIONS @IS0/IEC 2017 I by IHS Markit unde t license from IHS eosale JACKEY, MA IS0/IECFDIS 19941:2017(E) COPYRIGHTPROTECTEDDOCUMENT IS0/IEC 2017, Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 [email protected] www.iso.org @ IS0/IEC 2017 - All rights reserved v/5926867100, User=JACKEY, MA or networking pemited without license from IHS Not for Resale,1 IS0/IEC FDIS 19941:2017(E) Contents Page Foreword ..V Introduction. ..vi 1 Scope. ..1 2 Normative references 3 Terms and definitions ..1 3.1 Interoperability terms .1 3.2 Data portability terms 3.3 Application portability terms. .2 4 Abbreviated terms ..3 5 Overview of cloud computing interoperability and portability .4 5.1 Description of cloud computing interoperability and portability ..4 5.1.1 General. .4 5.1.2 Considerations for cloud interoperability ..5 5.1.3 Considerations for portability in a cloud computing environment .6 5.1.4 Relationship between cloud interoperability and cloud portability .9 5.2 Cloud interoperability and portability facet models .9 5.2.1 Cloud interoperability facet model .9 5.2.2 Cloud data portability facet model. ..13 5.2.3 Cloud application portability facet model .16 5.3 Key challenges related to interoperability and portability in cloud computing. ..18 5.3.1 General ..18 5.3.2 Security .18 5.3.3 Identity and Access Management (IdAM) 20 5.3.4 Security during migration 21 5.3.5 Dynamicmigration .21 5.3.6 Interfaces, APIs and interoperability .21 5.3.7 Open source. .22 6 Interoperability and portability considerations related to cloud capabilities types 22 6.1 General 22 6.2 Functional components of interoperability 27 6.3 Functional components of data portability 28 6.4 Functional components of application portability 28 6.4.1 General 28 6.4.2 Functional views based on capabilities types 31 7 Cloud interoperability .36 7.1 Cloud interoperability types .36 7.1.1 General. 36 7.1.2 Transport interoperability .38 7.1.3 Syntactic interoperability 39 7.1.4 Semantic data interoperability .39 7.1.5 Behavioural interoperability ..39 7.1.6 Policy interoperability .40 7.1.7 Interoperability with connected devices consuming cloud services of application capabilities type... .41 8 Cloud data portability .42 8.1 Cloud data portability types. ..42 8.2 Data syntactic portability. ..42 8.2.1 General. 42 8.2.2 Data syntactic portability for infrastructure capabilities type cloud services. ..43 8.2.3 Data syntactic portability for platform capabilities type cloud services .43 8.2.4 Data syntactic portability for application capabilities type cloud services .44 ii ACKEY,MA mited without license from IHS Not for Resale, IS0/IEC FDIS 19941:2017(E) 8.3 Data semantic portability 45 8.3.1 General. 45 8.3.2 Data semantic portability for infrastructure capabilities type cl