ISO/IEC TECHNICAL REPORT TR 29181-7 First edition 2013-04-15 Information technology Future NetworkProblemstatementand requirements Part 7: Service composition Technologies de I'information-Reseaux dufuturEnoncedu problemeetexigences Partie7:Compositiondesservices Reference number ISO/IEC TR 29181-7:2013(E) IEC ISO/IEC2013 ISO/IEC TR 29181-7:2013(E) COPYRIGHTPROTECTEDDOCUMENT @ISO/IEC2013 All rights reserved. Unless otherwise specified, 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 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/IECTR29181-7:2013(E) Contents Page Foreword Introduction 1 Scope 2 Normative references.. 3 Terms and definitions. 4 Abbreviationsandacronyms. 5 Overview... 6 Problem Statement.. 6.1 General problems. 6.2 Scalability... 10 6.3 Dynamics. 6.4 Security 7 Requirementsof servicecompositionfortheFN 11 7.1 Generalreguirements.. 7.2 Specific requirements. AnnexA(informative)Related standardizationandresearchactivities 18 A.1 IEEEP1903 (NGSON).... 18 A.2 TMFServiceDeliveryFramework. 19 A.3 ITU-TNGNSIDE. 19 A.4 ATISSONForum 20 A.5 Related researchactivities. 20 A.5.1 Service-OrientedArchitecture (SoOA)paradigm..... 23 A.5.2 ServiceOrientedNetworkArchitecture(SONATE). 24 A.5.3 4WARD..... A.5.4 WebServiceComposition. A.5.5 ServiceCompositionApproaches... 28 AnnexB(informative)Technicalaspectsof servicecompositioninFN B.1 Acommonprotocolforsupportingservicecomposition.... B.2 ServiceCompositionapproaches. 34 B.3 Composing networkfunctionality.... B.4 Composition scope and servicegranularity .. .36 B.5 Placeforcomposition.. 36 B.6 Compositionexecutionepochs.. B.7 Anarchitecturebasedonservices B.7.1 Compositionoftransportandapplicationservices. .39 B.7.2 Service identification. 40 B.7.3 Service description B.7.4 Serviceallocation. 42 Annex C(informative)Functional Building Block of Service Composition in FN. 43 c.1 FunctionalComponents C.1.1 Service Manager (SR)..... C.1.2 ServiceRegistrationManager (SRM) C.1.3 Context Manager (CM) 44 C.1.4 ReferencePoints .45 Bibliography .46