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In this study we discuss fault tolerant routing mechanism for the P2P network, Chord, considering the existence of faulty or malicious nodes. We propose a routing protocol which works despite existence of faulty nodes. We modify the original Chord routing protocol so that it can handle redundant lookups of multiple "knuckles," and replica or data fragments allocation on knuckles. Analysis...
Most of context aware systems are based on client-server model which has some limitations, e.g. a bottle neck problem, single point of failure. The most disadvantage of client-server model is when all nodes need to update their context information frequently and quickly; it will cause massive information flooding in a system. By applying P2P model to context aware system, this problem can be reduced...
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