Correlating Topology and Path Characteristics of Overlay Networks and the Internet

  • Authors:
  • Alexandru Iosup;Pawel Garbacki;Johan Pouwelse;Dick Epema

  • Affiliations:
  • Delft University of Technology, The Netherlands;Delft University of Technology, The Netherlands;Delft University of Technology, The Netherlands;Delft University of Technology, The Netherlands

  • Venue:
  • CCGRID '06 Proceedings of the Sixth IEEE International Symposium on Cluster Computing and the Grid
  • Year:
  • 2006

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Abstract

Real-world IP applications such as Peer-to-Peer filesharing are now able to benefit from network and location awareness. It is therefore crucial to understand the relation between underlay and overlay networks and to characterize the behavior of real users with regard to the Internet. For this purpose, we have designed and implemented MULTIPROBE, a framework for large-scale P2P file-sharing measurements. Using this framework, we have performed measurements of BitTorrent, which is currently the P2P file sharing network with the largest amount of Internet traffic. We analyze and correlate these measurements to provide new insights into the topology, the connectivity, and the path characteristics of the Internet parts underlying P2P networks, as well as to present unique information on the BitTorrent throughput and connectivity.