The production of peer-to-peer video-streaming networks

  • Authors:
  • Dafu Lou;Yongyi Mao;Tet H. Yeap

  • Affiliations:
  • SITE, University of Ottawa, Canada SEE, Beijing University of Posts & Telecommunication, China;SITE, University of Ottawa, Ottawa, Canada;SITE, University of Ottawa, Ottawa, Canada

  • Venue:
  • Proceedings of the 2007 workshop on Peer-to-peer streaming and IP-TV
  • Year:
  • 2007

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Abstract

We introduce the notions of production and saturation time for peer-to-peer real-time video-streaming networks. Due to the fact that video-streaming is divided into small blocks to transmit, production, adopted from economics, is defined as the number of users that have obtained video block m by time t. Saturation time refers to the time when the system leaves the state where there have been more users requesting block m than the number of users that the system could have supplied. Based on those two notions, we provide a lower bound on the achievable production functions. Simulation results are provided for a heuristic protocol which appears to confirm the lower bound in terms of production and saturation time. The analysis results have also been confirmed by simulation using a stochastic model.