Mobility

Damming the Torrent: Adjusting BitTorrent-Like Peer-to-Peer Networks to Mobile and Wireless Environments

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Executive Summary

Mobile Peer-To-Peer (P2P) traffic is rapidly growing, but present P2P applications are not specifically designed to operate under mobile conditions. To assess the performance of the prevalent file sharing application BitTorrent in a mobile WiMAX network, the authors performed a measurement and analysis campaign. In this paper, they use the obtained measurement traces to further investigate specific characteristics of this P2P network. In particular, they analyze the distribution of its peer population under mobile conditions and present a general classification scheme for peer populations in BitTorrent-like P2P networks. Further, they propose a simple heuristic to bound the out-degree of BitTorrent-like P2P systems when operating in mobile environments.

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