Measurement and analysis of BitTorrent

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Title: Measurement and analysis of BitTorrent
Author: Sadafal, Videsh
Abstract: BitTorrent is assumed and predicted to be the world's largest Peer to Peer (P2P ) network . Previous studies of the protocol mainly focus on its file sharing algorithm , and many relevant aspects of the protocol remain untouched . In the thesis , we conduct a number of experiments to explore those untouched aspects . We implement a BitTorrent crawler to collect data from trackers and peers , and statistically analyze it to understand the characteristics and behaviors of the BitTorrent protocol better . We find that the expected lifetime of a peer in the BitTorrent is 56 .6 minutes and the activity is diurnal . Peers show strong preference towards a limited number of torrents , and 10 % of torrents are responsible for 67 % of traffic . The US contributes maximum number of peers to the BitTorrent and ?Torrent emerges as the favorite BitTorrent client . We measure the strength of Distributed Denial of Service (DDoS ) attack using BitTorrent network and conclude that it is transient and weak . Finally we address and discuss the content locatability problem in BitTorrent and propose two solutions .
URI: http : / /hdl .handle .net /1969 .1 /86010
Date: 2008-10-10

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Measurement and analysis of BitTorrent. Available electronically from http : / /hdl .handle .net /1969 .1 /86010 .

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