Multi-torrent: a performance study and applications

  • Authors:
  • Yan Yang;Alix L. H. Chow;Leana Golubchik

  • Affiliations:
  • Department of Computer Science, University of Southern California, Los Angeles, CA 90089, USA.;Department of Computer Science, University of Southern California, Los Angeles, CA 90089, USA.;Department of Computer Science, University of Southern California, Los Angeles, CA 90089, USA

  • Venue:
  • International Journal of Advanced Media and Communication
  • Year:
  • 2010

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Abstract

Empirical evidence suggests that most nodes in BitTorrent (BT) participate in multiple torrents, but surprisingly little research exists on this topic. Here, we focus on a multi-torrent system, and specifically on (a) what incentives could be provided for nodes to contribute resources as seeds in a multi-torrent environment, and (b) what are the resulting performance consequences. We show why the current BT lacks incentives for nodes to stay as seeds. Motivated by that, we propose a cross torrent based method to encourage nodes to stay as seeds and present an extensive performance study to illustrate the benefits of our approach.