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Improving Multi-View Peer-to-Peer Live Streaming Systems With the Divide-and-Conquer Strategy

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Executive Summary

Multi-view Peer-To-Peer (P2P) live streaming systems have recently emerged, where a user is allowed to simultaneously watch one or multiple channels. Previous work on building multi-view P2P streaming systems requires network coding in data block scheduling within each channel, since it solves the fundamental inter-channel bandwidth competition problem at the individual peer level. Therefore, it limits the migration from existing single-view systems to multi-view systems. In this paper, the authors propose a new protocol, called Divide-And-Conquer (DAC), which provides a flexible way of building multi-view P2P streaming systems based on existing single-view systems. Specifically, the DAC protocol solves the inter-channel bandwidth competition problem at the channel level based on a divide-and-conquer strategy.

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