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We study the problem of maximizing the broadcast rate in peer-to-peer (P2P) systems under node degree bounds, i.e., the number of neighbors a node can simultaneously connect to is upper-bounded. The problem is critical for supporting high-quality video streaming in P2P systems, and is challenging due to its combinatorial nature. In this paper, we address this problem by providing the first distributed...
Two questions on the theory of content distribution capacity are addressed in this paper: What is the worst user delay performance bound in a chunk-based P2P streaming systems under peer fanout degree constraint? Can we achieve both the minimum delay and the maximum streaming rate simultaneously? In the homogeneous user scenario, we propose a tree-based algorithm called Inverse Waterfilling, which...
The throughput of Peer-to-Peer (P2P) Video-on-Demand (VoD) systems is typically capped by the users' aggregate upload bandwidth [1]. The drastic increase in the popularity of VoD and the demand of higher quality content has thus placed substantial burden on the content servers. We investigate a novel P2P VoD architecture that leverages idle Internet resources, which we call helpers, to provide a scalable...
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