Contribution-aware overlay optimization for peer-to-peer live streaming applications

Authors:
Hao Chen;Chao Liu;Dejian Ye
Affiliations:
Dep. of Computer Science, Fudan University, Shanghai, China;Institute of Software, Fudan University, Shanghai, China;Institute of Software, Fudan University, Shanghai, China
Venue:
CCNC'09 Proceedings of the 6th IEEE Conference on Consumer Communications and Networking Conference
Year:
2009

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Proceedings of the 5th ACM/IFIP/USENIX international conference on Middleware

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Abstract

In this paper, we study how to optimize mesh-based overlay in a contribution aware manner. We have designed a suite of protocols to construct and optimize the overlay. Our core idea is to promote nodes with larger contribution closer to the source node so as to keep a compact and efficient mesh-based streaming overlay. Our method is evaluated through extensive simulations. Compared with the non-optimized overlay, the p2p streaming applications using our method could cut down the average latency by 20-50% and enhanced the continuity index up to 120%.