Adaptive Prefetching Scheme for Peer-to-Peer Video-on-Demand Systems with a Media Server
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概要
- 論文の詳細を見る
In this paper, we consider Peer-to-Peer Video-on-Demand (P2P VoD) systems based on the BitTorrent file sharing protocol. Since the Rarest First policy adopted in the original BitTorrent protocol frequently fails to collect pieces corresponding to a video file by their playback time, we need to develop a new piece selection rule particularly designed for P2P VoDs. In the proposed scheme, we assume the existence of a media server which can upload any piece upon request, and try to bound the load of such media server with two techniques. The first technique is to estimate pieces which are not held by any peer and prefetch them from the media server. The second technique is to switch the mode of each peer according to the estimated size of the P2P network. The performance of the proposed scheme is evaluated by simulation.
- 2011-12-01
著者
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Fujita Satoshi
Department Of Anesthesiology School Of Medicine Sapporo Medical University
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Fujita Satoshi
Department Of Information Engineering Graduate School Of Engineering Hiroshima University
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UEDERA Ryusuke
Department of Information Engineering, Graduate School of Engineering, Hiroshima University
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