P2P Video Broadcast based on Per-Peer Transcoding and its Evaluation on PlanetLab

N. Shibata, M. Mori, and K. Yasumoto (Japan)


P2P, Video, Broadcast, Transcoding, Overlay Network


We have previously proposed a P2P video broadcast method called MTcast for simultaneously delivering video to user peers with different quality requirements. In this paper, we design and implement a prototype system of MT cast and report the results of its performance evaluation in the real Internet environment. MTcast relies on each peer to transcode and forward video to other peers. We con ducted experiments on 20 PlanetLab nodes, evaluated start up delay and recovery time from peer leaving/failure, and conīŦrmed that MTcast achieves practical performance in a real environment.

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