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Since the “free-riding” behavior objectively exists in a P2P network, how to precisely determine the “free-riders” in the network is now a key problem. Passive testing method has been the best way of finding the potential faults on the real network at present. The observer placement problem is one of the critical problems that have been played much attention on. The problem has been also proved to...
In this paper, we proposed a P2P traffic management and optimization protocol named DDP (domain detecting protocol). DDP works in a cooperative way between network providers and P2P venders. With a light-weight, flexible, and open framework, DDP can be attached to all existing P2P systems without changing the original P2P protocols. DDP can guide P2P traffic to match the topology of the underlying...
BitTorrent now is one of the most popular peer-to-peer content distribution networks. In BitTorrent, peers exchange content pieces with their neighbors on an overlay to distribute content. In order to accelerate the distribution, content availability, the overall disjointness of content pieces among peers on the overlay, should be optimized. In this paper, we investigate the problem of maximizing...
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