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- W2129023774 abstract "In Swarm-based Peer-to-Peer Streaming (SPS) mechanisms, participating peers form a randomly connected mesh over which they incorporate swarm-like content delivery. In practice, a subset of participating peers may form clusters in the overlay due to various reasons such as localization of connectivity within edge ISPs. Despite the commonly held assumptions, the appearance of such clusters could significantly degrade the delivered quality to participating peers in SPS mechanisms. This paper examines the effect of overlay clustering on the performance of SPS mechanisms for live content. Leveraging the notion of two-phase content delivery in SPS mechanisms, we illustrate the effect of overlay clustering on content delivery. We propose the Overlay Monitoring and Repair (OMR) mechanism as a distributed and scalable approach to maintain proper overlay connectivity in SPS mechanisms. The key idea is to use delivered quality to individual peers as an indication of poor connectivity from other regions of the overlay. OMR employs a probabilistic approach to ensure an adequate number of properly-positioned peers reacts to detected clustering in the overlay without any coordination. Reacting peers rewire a small number of carefully-selected connections in the overlay to significantly improve the performance of content delivery. Our preliminary evaluations demonstrate that OMR mechanism can achieve its goals." @default.
- W2129023774 created "2016-06-24" @default.
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- W2129023774 date "2009-01-01" @default.
- W2129023774 modified "2023-10-16" @default.
- W2129023774 title "Overlay monitoring and repair in swarm-based peer-to-peer streaming" @default.
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- W2129023774 doi "https://doi.org/10.1145/1542245.1542252" @default.
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