Network Awareness of P2P Live Streaming Applications: A Measurement Study

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Executive Summary

Early P2P-TV systems have already attracted millions of users, and many new commercial solutions are entering this market. Little information is however available about how these systems work, due to their closed and proprietary design. In this paper, the authors present large scale experiments to compare three of the most successful P2P-TV systems, namely PPLive, SopCast and TVAnts. Their goal is to assess what level of "Network awareness" has been embedded in the applications. They first define a general framework to quantify which network layer parameters leverage application choices, i.e., what parameters mainly drive the peer selection and data exchange.

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