Adopting Game Theory to Inhibit Free-Riding in P2P Network

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Provided by: Binary Information Press
Topic: Networking
Format: PDF
The performance of P2P network has decreased severely because of the large number of free-riders. How to incite the nodes to provide service is an important factor to improve the performance of P2P network. Under the hypothesis that nodes are rational, the authors introduce a new mechanism based on supervision game and figure out the mixed Nash equilibrium strategy adopting supervision game. The game between supervision cost and participating income is analyzed. By adopting suitable supervisory probability, the nodes in their incentive mechanism will actively contribute their resources and the cost is small at the same time in simulations. It improves the performance of P2P network.
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