Analysis of peer-to-peer file dissemination amongst users of different upload capacities

  • Authors:
  • J. Mundinger;R. R. Weber;G. Weiss

  • Affiliations:
  • University of Cambridge, Cambridge, UK;University of Cambridge, Cambridge, UK;University of Haifa, Mount Carmel, ISRAEL

  • Venue:
  • ACM SIGMETRICS Performance Evaluation Review
  • Year:
  • 2006

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Abstract

In recent years, overlay networks have proven an effective way of disseminating a file from a single source to a group of end users via the Internet. A number of algorithms and protocols have been suggested, implemented and studied. In particular, much attention has been given to peer-to-peer (P2P) systems such as BitTorrent [2], Slurpie [10], SplitStream [1] and Bullet [5]. The key idea is that the file is divided into M parts of equal size and that a given user may download any one of these either from the server or from a peer who has previously downloaded it. More recently, a scheme based on network coding [3] has been suggested. Here, users down-load linear combinations of file parts rather than individual file parts.