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2007

Multiple Identities in BitTorrent Networks

8 years 11 months ago
Multiple Identities in BitTorrent Networks
Abstract. Peer-to-peer (P2P) file sharing systems have become ubiquitous and at present the BitTorrent (BT) based P2P systems are very popular and successful. It has been argued that this is mostly due to the Tit-For-Tat (TFT) strategy used in BT [1] that discourages free-ride behavior. However, Hale and Patarin [2] identify the weakness of TFT and hypothesize that it is possible to use multiple identities to cheat. To test this hypothesis we modify the official BT source code to allow the creation of multiple processes by one BT client. They use different identities to download the same file cooperatively. We experiment with several piece selection and sharing algorithms and show that BT is fairly robust to the exploitation of multiple identities except for one case. In most cases, the use of multiple identities does not provide siginificant speedup consistently. Interestingly, clients with multiple identities are still punished if they do not maintain a comparable upload rate wit...
Jin Sun, Anirban Banerjee, Michalis Faloutsos
Added 30 Oct 2010
Updated 30 Oct 2010
Type Conference
Year 2007
Where NETWORKING
Authors Jin Sun, Anirban Banerjee, Michalis Faloutsos
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