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In recent years there have been several large-scale deployments of P2P live video systems. Existing and future P2P live video systems will offer a large number of channels, with users switching frequently among the channels. In this paper, the authors develop infinite-server queueing network models to analytically study the performance of multi-channel P2P streaming systems. The models capture essential aspects of multi-channel video systems, including peer channel switching, peer churn, peer bandwidth heterogeneity, and Zipf-like channel popularity. They apply the queueing network models to two P2P streaming designs: the isolated channel design and the View-Upload Decoupling (VUD) design.
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