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P2P technology offers a promising scalable solution for video-on-demand (VOD) service. Recent studies have found that departure misses are the major cause of server load in P2P-based VOD. Inspired by this finding, this paper addresses the design of bandwidth allocation policy to decrease departure misses and thereby reduce server load further. We first formulate the minimum departure misses problem...
An effective group key agreement protocol is important for group-oriented applications. Some key tree approaches have been proposed by other researchers. The rekey cost of some of them scales with the logarithm of the group size for a join or leaving request, in which TGDH (tree based group Diffie-Hellman) is considered as one of the most effective and secure protocols. But the rekey cost is still...
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