In the next generation network (NGN) environment specific consideration is onbandwidth minimization, because this reduces the cost of network. In responseto the growing market demand for multimedia traffic transmission, NGN concepthas been produced. The next generation network provides multimedia servicesover high speed networks, which supports DVD quality video on demand. Althoughit has numerous advantages, more exploration of the large-scale deploymentvideo on demand is still needed. The focus of the research presented in thispaper is a class based admission control by the complete partitioning of thevideo on demand server. In this paper we present analytically and by simulationhow the blockage probability of the server significantly affects the on demandvideo request and the service. We also present how the blockage probabilityaffects the performance of the video on demand server.
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