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Let G be a network with node set V and link set E, where each link e in E is associated with capacity c(e) and failure probability p(e). Let D=(s, t, d) be a flow demand on G which requests that a video stream of bit rate d should be delivered from source node s to sink node t through network G. The reliability of network G with respect to flow demand D is the probability of surviving a subgraph of...
In this paper, we propose a buffer map notification scheme for Peer-to-Peer Video-on-Demand systems (P2P VoDs) which support VCR operations such as fast-forward, fast-backward, and seek. In order to enhance the fluidity of such operations, the size of pieces must be much smaller than conventional P2P VoDs, although it would significantly degrade the performance of buffer map notification schemes with...
In this paper, we propose a distributed algorithm to process conjunctive queries in P2P DHTs. The basic idea of the proposed scheme is to cache the search result for past conjunctive queries, and to use them to improve the efficiency of the succeeding query processing. As a concrete implementation of such result cache, we adopt Bloom filter in such a way that the cache size required for each query...
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