Achievable Catalog Size in Peer-to-Peer Video-on-Demand Systems

Abstract : We analyze a system where $n$ set-top boxes with same upload and storage capacities collaborate to serve $r$ videos simultaneously (a typical value is $r=n$). We give upper and lower bounds on the catalog size of the system, i.e. the maximal number of distinct videos that can be stored in such a system so that any demand of at most $r$ videos can be served. Besides $r/n$, the catalog size is constrained by the storage capacity, the upload capacity, and the maximum number of simultaneous connections a box can open. We show that the achievable catalog size drastically increases when the upload capacity of the boxes becomes strictly greater than the playback rate of videos.
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Communication dans un congrès
Proceedings of the 7th Internnational Workshop on Peer-to-Peer Systems (IPTPS), Feb 2008, Tampa Bay, United States. pp.1-6, 2008
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Yacine Boufkhad, Fabien Mathieu, Fabien De Montgolfier, Diego Perino, Laurent Viennot. Achievable Catalog Size in Peer-to-Peer Video-on-Demand Systems. Proceedings of the 7th Internnational Workshop on Peer-to-Peer Systems (IPTPS), Feb 2008, Tampa Bay, United States. pp.1-6, 2008. 〈inria-00471724〉

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