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1 RS2M - Département Réseaux et Services Multimédia Mobiles 2 SAMOVAR - Services répartis, Architectures, MOdélisation, Validation, Administration des Réseaux 3 Alcatel-Lucent Bell Labs France Alcatel-Lucent Bell Labs France 4 R3S-SAMOVAR - Réseaux, Systèmes, Services, Sécurité SAMOVAR - Services répartis, Architectures, MOdélisation, Validation, Administration des Réseaux 5 Orange Labs Caen

Abstract : To deliver the advanced services in IP Multimedia subsystem IMS, composition of many services is needed. However, IMS standard does not specify properly the architecture for the Session Initial Protocol SIP based service composition. Better performance and different user experience can be achieved in the SIP service composition for the real time communication services. We propose modified IMS architecture by adding new functional entities: Service Enabler Gateway and Application Server AS for the SIP based service composition. Java Specification Request JSR 289 AS is chosen for this and initial work has been done for service discovery for IMS services

Keywords : Service composition SIP IP Multimedia subsystem





Author: Sivasothy Shanmugalingam - Gyu Myoung Lee - Noel Crespi - Emmanuel Bertin -

Source: https://hal.archives-ouvertes.fr/



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