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To the problem of hostile service brought by node anonymity in P2P system, this thesis proposes a reputation aware resource finding algorithm. This algorithm is based on routing indices (RIs) algorithm and adopts the conception of reputation to efficiently restrain the deceiving behavior of hostile nodes in P2P system and reduce the messages load in the system, which can ensure the reliability and...
Objects, such as a digital image, a text document or a DNA sequence are usually represented in a high dimensional feature space. A fundamental issue in (peer-to-peer) P2P systems is to support an efficient similarity search for high-dimensional data in metric spaces. Prior works suffer from some fundamental limitations, such as being not adaptive to a highly dynamic network, poor search efficiency...
Existing methods and techniques utilized by peer-to-peer (P2P) systems could address the scalability issue faced by grid systems. Today's Grid systems have to deal with potentially a large number of resources which their status changes over time. Therefore, accurate, fast and scalable discovery of resources are key issues that Grid systems should deal with. Typical P2P systems enable sharing static...
Over the past few years, peer-to-peer (P2P) systems have rapidly grown in popularity and have become a dominant means for sharing resources. In these systems, load balancing is a key challenge because nodes are often heterogeneous. While several load-balancing schemes have been proposed in the literature, these solutions are typically ad hoc, heuristic based, and localized. In this paper, we present...
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