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    题名: A Novel P2P Approach to S-CSCF Assignment in IMS
    作者: 郭更生
    贡献者: IEEE
    日期: 2008-01
    上传时间: 2010-10-06 09:18:35 (UTC+8)
    摘要: In IP Multimedia Subsystem (IMS), Interrogating Call Session Control Function (I-CSCF) assigns the most suitable Serving-CSCF (S-CSCF) to the user performing IMS registration, which is defined by the Third Generation Partnership Project (3GPP) as S-CSCF assignment. Current approaches to implement S-CSCF assignment, however, incur the low utilization of S-CSCF resources. In this paper, we design a hybrid Peer-to-Peer (P2P) based S-CSCF overlay network called Hyson. Based on Hyson, we propose a novel approach to implement S-CSCF assignment called HSA, which can enhance the utilization of S-CSCF resources. HSA is accomplished by collaborative work of S-CSCFs. Simulation results show that HSA enables not only IMS network to have a much greater user capacity but also S-CSCFs to produce much smaller processing delay than current approaches.
    關聯: Proc. of 2008 IEEE Consumer Communications & Networking Conference
    数据类型: conference
    DOI 連結: http://dx.doi.org/10.1109/ccnc08.2007.119
    DOI: 10.1109/ccnc08.2007.119
    显示于类别:[企業管理學系] 會議論文

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