Enabling adaptive live streaming in P2P multipath networks

  • Authors:
  • Shyh Chang Liu;Tsung Hung Chen

  • Affiliations:
  • Department of Information Engineering, I-Shou University, Koushiung, Taiwan;Department of Information Engineering, I-Shou University, Koushiung, Taiwan

  • Venue:
  • The Journal of Supercomputing
  • Year:
  • 2010

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Abstract

Live Internet streaming can be regarded as a major current multimedia delivery mode. Efficient delivery under changing network conditions is a severe challenge in the design of live streaming systems. This study analyzes the key considerations and factors influencing live stream quality during system operations, and attempts to improve present P2P (peer-to-peer) live streaming systems by allowing users to enjoy high quality of service under the limitations of network resources. The proposed R-D (Rate-Distortion) optimized-dynamic-nodes-join algorithm is based on multipath streaming concept and receiver-driven approach. This distributed algorithm enables the system to evaluate the current network status in order to optimize the end-to-end distortion of P2P networks and stay in the optimal status. Experiment results of this study demonstrate the effectiveness of the proposed approach.