Comparing BitTorrent Clients in the Wild: The Case of Download Speed

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Executive Summary

BitTorrent (BT) is currently the main P2P protocol used for sharing large files over the Internet. It is therefore important to understand the performance characteristics of existing real-world BT implementations (clients). In this paper, the authors measure the download speed of over 10 million BT users over one month. Surprisingly, the measurements show that the two most famous BT clients, namely uTorrent and Vuze (Azureus), achieve different download speeds for the same set of torrents. In particular, they observe that uTorrent users achieve 16% faster download speed than users of Vuze in the data set.

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