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Video on demand is one of the most required technology used by the mobile users. But this technology still suffers with many problems because of low speed transmission and network load. In this paper, the authors have defined an intermediate router between the server and the client. The router is responsible to setup the communication rate, bandwidth, modulation schemes and other parameters to perform the effective communication. In this paper, they have also considered the problems of bottleneck and the network fault. The suggested work includes the dynamic window size estimation by the router based on the buffered data. The concept to avoid duplicate acknowledgement and the modulation scheme is suggested to perform the effective use of bandwidth.
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