Structured peer-to-peer network for live-content distribution

  • Authors:

  • Sergio Machado;Javier Ozón;Xavier Hesselbach

  • Affiliations:

  • Department of Telematic Engineering, Technical University of Catalonia, Castelldefels;Department of Telematic Engineering, Technical University of Catalonia, Castelldefels;Department of Telematic Engineering, Technical University of Catalonia, Castelldefels

  • Venue:
  • OTM'07 Proceedings of the 2007 OTM Confederated international conference on On the move to meaningful internet systems - Volume Part II
  • Year:
  • 2007

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Abstract

In this paper we present the mathematical analysis of a structured peer-to-peer network designed for the distribution of live-content such as television channels, which is modeled using media distribution graphs. As far as we know, the use of a structured network is a novel proposal in the area of live-content distribution and allows a peer to schedule consecutives data chunks produced by the media source using an algorithm that we provide. In our analysis we obtain a bound for the maximum delay between the media source and any of the peers of the network and the buffer size needed to allow consecutive scheduling. We study a type of media distribution graph called minimum distribution graph obtaining its order and diameter, which means that under estable conditions we can ensure certain quality-of-service parameters.