An NGN middleware based on an enhanced IMS

Authors:
Noëmie Simoni;Chunyang Yin;Rhéa Berberi;Ghislain Du Chene
Affiliations:
Ecole Nationale Supérieure des Télécomminications, Paris, France;Ecole Nationale Supérieure des Télécomminications, Paris, France;Société Française de Radiotéléphonie (SFR), Paris La Défense, France;Société Française de Radiotéléphonie (SFR), Paris La Défense, France
Venue:
Proceedings of the 2007 Workshop on Middleware for next-generation converged networks and applications
Year:
2007

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Abstract

As one of the NGN architectures, IMS acts as a session middleware to offer the service session, which enables the operator to deliver the IMS-based Next Generation Services. But can the IMS architecture keep the promise of a quick TTM and with an acceptable ROI? In this paper, we focus on the service architecture in a service composition vision to respond the NGN requirements, making the convergence and all types of mobility possible. An NGN Middleware is proposed to compose, optimally select and invoke the service components (SEs). The proposition of a QoS Routing table of services and the new SIP protocol (SIP+) permits the End to End service session to be dynamic. An enhanced IMS addresses also an enhanced HSS to have the complete information as user preferences, user terminals and network subscription. This paper will detail these propositions through several scenarios.