Cooperative caching for peer-assisted video distribution

  • Authors:
  • Pan-Hong Guo;Yang Yang;Hui Guo

  • Affiliations:
  • Dept. of Computer Science and Technology, University of Science and Technology Beijing, Beijing, China;Dept. of Computer Science and Technology, University of Science and Technology Beijing, Beijing, China;Dept. of Electronic and Information Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong

  • Venue:
  • MMM'07 Proceedings of the 13th International conference on Multimedia Modeling - Volume Part II
  • Year:
  • 2007

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Abstract

In this paper, we described a framework for peer-assisted multi-path video distribution combined with cooperative caching. The target of this framework is to aggregate peers’ storage and bandwidths to facilitate video-on-demand streaming. To achieve this goal, we employ segment-based video caching and the segments are distributed in respective peers. Specifically, the source bit stream is based on layered scalable video coding for cost-effective video distribution. For achieving low -cost collaboration, a utility-based partial caching scheme is proposed and detailed discussed. Extensive simulations on large, Internet-like topologies were performed to demonstrate the effectiveness of this proposed framework.