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Influences on Cooperation in BitTorrent Communities

Andrade, Nazareno; Mowbray, Miranda; Lima, Aliandro; Wagner, Gustavo; Ripeanu, Matei

HPL-2005-79R1

Keyword(s): BitTorrent; online communities

Abstract: We collect BitTorrent usage data across multiple file- sharing communities and analyse the factors that affect users' cooperative behavior. We find evidence that the design of the BitTorrent protocol does result in increased cooperative behavior over other P2P protocols used to share similar content (e.g. Gnutella). We also investigate two additional community-specific mechanisms that foster even more cooperation. Notes: Nazareno Andrade Aliandro Lima and Gustavo Wagner, Universidade Federal de Campina Grande, Brasil. Matei Ripeanu, University of Chicago, USA

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