How efficient is BitTorrent?

Gang Wu; Tzi-cker Chiueh

doi:10.1117/12.651034

16 January 2006 How efficient is BitTorrent?

Gang Wu, Tzi-cker Chiueh

Proceedings Volume 6071, Multimedia Computing and Networking 2006; 60710O (2006) https://doi.org/10.1117/12.651034
Event: Electronic Imaging 2006, 2006, San Jose, California, United States

Abstract

BitTorrent is arguably the most popular media file distribution protocol used in Internet today. Even though empirically BitTorrent seems to be both efficient and scalable, there has been very little research on the detailed dynamics of its built-in control mechanisms, and their effectiveness across a wide variety of network configurations and protocol parameters. The main goal of this paper is to answer the question of how close BitTorrent is to the optimum, and indirectly how much room there is for further performance optimizations. We develop a centrally scheduled file distribution (CSFD) protocol that can provably minimize the total elapsed time of a one-sender-multiple-receiver file distribution task, and perform a comprehensive comparison between BitTorrent with CSFD. In addition, we compare several peer selection algorithms and analyze the applicability of BitTorrent to real-time streaming applications.

Citation Download Citation

Gang Wu and Tzi-cker Chiueh "How efficient is BitTorrent?", Proc. SPIE 6071, Multimedia Computing and Networking 2006, 60710O (16 January 2006); https://doi.org/10.1117/12.651034

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