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Most existing peer-to-peer (P2P) video-on-demand (VoD) systems have been designed and optimized for the sequential playback. In practice, users often want to seek to the positions they are interested in. Such frequent seeks raise greater challenges to the design of the prefetching scheme. In this work, we first propose the concept of guided seeks. With the guidance, users can perform more efficient...
In peer-to-peer video-on-demand (P2P VoD) applications, users tend to seek to the positions that they are interested in. The frequent seeks raise a great challenge to the design of the prefetching scheme. In this paper, we propose a probabilistic prefetching framework to reduce the seeking distance. Each peer performs prefetching based on the segment access probability, which is estimated from the...
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