Limited chain relay - a novel multimedia distribution algorithm and its analysis

  • Authors:
  • V. Ramaswami;Rittwik Jana

  • Affiliations:
  • AT&T Labs Research, Florham Park, NJ;AT&T Labs Research, Florham Park, NJ

  • Venue:
  • ICC'09 Proceedings of the 2009 IEEE international conference on Communications
  • Year:
  • 2009

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Abstract

We describe and analyze a novel algorithm called Limited Chain Relay for on-demand multimedia content distribution over digital networks. Using VoD as an example, we show that this peer assisted scheme provides bandwidth and processing savings comparable to a periodic multicast without incurring subscriber delays inherent in the latter. This scheme's success does not depend upon the ability to forecast demand accurately. It uses minimal storage in participating peer CPEs. It incorporates many features to facilitate fast set up, redundancy to handle peer failures, and centralized OS functions including billing. It can be used in a wide variety of networks such as Fiber to the Home and Fiber to the Curb and with transport technologies like IP and ADSL. It can be used also for streaming content where individual clients may not store the entire content.