SALSA: super-peer assisted live streaming architecture

  • Authors:
  • Jongtack Kim;Yugyung Lee;Saewoong Bahk

  • Affiliations:
  • School of EECS, INMC, Seoul National University;School of Computing and Engineering, University of Missouri at Kansas City;School of EECS, INMC, Seoul National University

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

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Abstract

In P2P live streaming, free-riders which do not upload data but only download them are still present. Since a greater number of viewers can generate more profit, the streaming server wants to serve the free-riders also. In this paper, we have proposed a novel P2P live streaming system, called super-peer assisted live streaming architecture (SALSA). In SALSA, super-peers, which have high upload bandwidth and serve many free-riders, are eligible to receive an incentive reward that is the ability to watch high quality videos. The server places high-quality-view-tickets at auction to make the super-peers serve free-riders more efficiently. We have proposed novel auction mechanisms and a heuristic algorithm. The simulation results showed that the proposed scheme has comparable performance to the optimal form and are able to differentiate the super-peers' video quality commensurate with their contribution level.