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Competition Analysis of Adaptive Incentive Protocols for P2P Networks

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Executive Summary

Incentive protocols are crucial for enhancing contribution and cooperation among nodes in P2P networks. In this paper, the authors consider an analytical framework wherein peers learn the gains of different strategies and evolve adaptively towards the better performance strategy. While a unitary incentive policy in the system may exhibit its incentive capability on itself, the competition among different incentive policies are still need to be investigated when they are co-existing optional strategies for peers. To illustrate the expected performance gain and system robustness under the incentive protocol competition, they study three incentive policies and two learning (or adaptive) models and analyze their performance under different conditions.

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