Quality of service routing in peer-to-peer overlays

  • Authors:
  • Michael Gellman

  • Affiliations:
  • Imperial College London

  • Venue:
  • CoNEXT '06 Proceedings of the 2006 ACM CoNEXT conference
  • Year:
  • 2006

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Abstract

Peer-to-Peer (P2P) overlays have been used to support a number of different applications: from their origins supporting file-sharing, they have expanded to encompass ever more real-time and interactive applications such as streaming multimedia, Voice-over-IP, and real-time gaming. Each of these applications requires different degrees of Quality of Service (QoS); for instance, a file-transfer application requires a path with the highest available bandwidth, while an interactive, real-time application will have latency and jitter requirements. However, the current approach of many P2P overlays is to establish direct connections between overlay participants using the underlying IP routing mechanisms This disregards the potential for using the overlay to exert control over the path that an application's packets take through the network.