Incentive mechanisms for trustworthy routing based on game model of the strategies of nodes in P2P networks

The trustworthiness and security of routing in the existing Peer-to-Peer (P2P) networks can not be ensured because of the diversity of the strategies of P2P nodes. This paper firstly uses game theory to establish game model of the strategies and profits of various types of routing nodes. Then, two incentive mechanisms for the corresponding stages of P2P trustworthy routing are proposed, namely trust associated mechanism and trust compensated mechanism. Simulation results show that the incentive mechanisms proposed in this paper will encourage cooperation actions of good nodes and restrain malicious actions of bad nodes, which ensure the trustworthiness of routing consequently.