Advanced Remote-Subscription Scheme Supporting Cost Effective Multicast Routing for Broadband Ubiquitous Convergence IP-Based Network
Mobile multimedia services such as TV-call or video streaming are gradually becoming popular in the 3 rd or more generation mobile network(IMT-2000). IP-based IMT network platform represents an evolution from IMT-2000. The structure of IP-based IMT network as ubiquitous platform is three-layered model : Middleware including Network Control PlatForm (NCPF) and Service Support PlatForm (SSPF), IP-BackBone (IP-BB), access network including sensor network. Mobility Management (MM) architecture in NCPF is proposed for IP-based IMT network in order to manage routing information and location information separately. The generous existing method of multicast control in IP-based IMT network is Remote-subscription. But Remote-subscription has problem that should be reconstructed whole multicast tree when sender in multicast tree moves to another area. To solve this problem, we propose the way to put Multicast-manager in NCPF.
KeywordsMulticast-manager IP-based IMT Network Mobility Management SSPF NCPF Multicast Routing
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