Enhanced service capability interaction management in capability-based IMS service architecture
Enhanced service capability interaction management in capability-based IMS service architecture
- Author(s): Hua Liu ; Fangchun Yang ; Yao Zhao
- DOI: 10.1049/cp:20070702
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- Author(s): Hua Liu ; Fangchun Yang ; Yao Zhao Source: China-Ireland International Conference on Information and Communications Technologies (CIICT 2007), 2007 p. 213 – 219
- Conference: China-Ireland International Conference on Information and Communications Technologies (CIICT 2007)
- DOI: 10.1049/cp:20070702
- ISBN: 978 0 86341 827 3
- Location: Dublin, Ireland
- Conference date: 28-29 Aug. 2007
- Format: PDF
IP multimedia subsystem (IMS) enables the coexistence of the heterogeneous networks and promises the emergence of the service convergence. IMS should have built open and flexible service architecture in which the exciting integrated services can be implemented by reuse of multiple existing service capabilities. But, the service architecture defined in early IMS is not adequate to satisfy the service integration requirement and also, in this architecture, the challenges still lie in how to harness the possible interactions and conflicts among these service capabilities. A special service entity named service capability interaction manager (SCIM) is proposed by Third generation partnership project (3GPP) to deal with this problem, but it is not specified clearly. In this paper, the generic capability-based service architecture is presented to meet the requirements of enabling service convergence across the separated networks. Specially, this architecture applies in the fully functional deployment stage of IMS. An enhanced SCIM entity is proposed to support this capability-based service architecture. As there is no standard that specifies SCIM precisely, we define functional architecture and necessary functionalities to be performed by it. Some possible implementation architectures of SCIM are presented and discussed as well.
Inspec keywords: IntServ networks; multimedia communication; computer network management; IP networks; 3G mobile communication
Subjects: Computer installation management; Mobile radio systems; Multimedia; Multimedia communications; Computer networks and techniques; Computer communications; Network management
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