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In recent years, various selfish behaviors of P2Pnetwork nodes have become increasingly severe, and the existence of free-riding, white-washing and the like deteriorates the performance of systems. This paper addresses the free-riding problem in P2P networks, and proposes a novel three-grade-punishment mechanism to restrain free-riding conducts in terms of game theory and reputation management to...
In open file-sharing P2P systems, there is generally no direct control or constraint on the participation of peers. Thus, Churn and Free-Riding become great challenges to these systems. This paper proposes a reputation management system based on sustained online duration (SOD-based system) to optimize the resources utilization in file-sharing P2P systems. In the SOD-based system, peers can enhance...
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