Efficient Multipoint P2P File Sharing in MANETs

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Peer-to-peer networks are a popular means of obtaining large files. Network coding has been shown as an efficient means of sharing large files in a P2P network. With network coding, all file blocks have the same relative importance. This paper presents Deluge, which uses network coding to share large files in a P2P overlay running on a MANET. Peers request file blocks from multiple server nodes and server's multicast blocks to multiple receivers, providing efficient multipoint - to - multipoint communication. Simulation results show that compared to other common download techniques, Deluge performs very well, having low download time and low energy consumption.