Abstract
In Peer-to-Peer Video on Demand System like Video Cassette Recording (VCR) various operations (i.e. forward, backward, resume) are found to be used very frequently. The uncertainty of frequent VCR operations makes it difficult to provide services to play as download and also the workload on VoD server is very high because of it handles the overall network. So it may sometimes hinder the network performance. To overcome these issues we propose to develop popularity based hierarchical prefetching technique in this paper. In this technique, the network is considered in a hierarchical topology and then the popularity level of each video is estimated by the proxy and based on it, the popular video is cached in the proxy and streamed to the required peer nodes in the network. Simulation results of our work show that our proposed prefetching technique outperforms the delay of the previous technique.
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Ganapathi, S., Varadharajan, V. Popularity based hierarchical prefetching technique for P2P video-on-demand. Multimed Tools Appl 77, 15913–15928 (2018). https://doi.org/10.1007/s11042-017-5167-y
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DOI: https://doi.org/10.1007/s11042-017-5167-y