MP2P网络基于分组和激励机制的信任模型
首发时间:2019-04-09
摘要:提出一种基于分组和激励机制的信任模型GIMTrust。模型将节点间的信任关系分为同组内节点之间的信任和不同组间节点之间的信任,并提出了如何有效计算这两种信任关系的具体算法。针对简单恶意节点、恶意诋毁节点和共谋团体对于系统的危害,还使用了一种反馈信息筛选算法,通过检测所有节点反馈的相关性和重要性来消除虚假、不公平的反馈。理论分析和仿真结果表明,该模型可以有效地应对简单恶意节点、恶意诋毁节点、共谋团体的攻击,有效地降低了资源的查询开销和资源查询失败率。
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Trust model based on grouping and incentive mechanism in mobile P2P networks
Abstract:A trust model GIMTrust based on grouping and incentive mechanism is proposed. The model divides the trust relationship between nodes into trust between nodes in the same group and trust between nodes in different groups, and proposes a specific algorithm for how to effectively calculate these two trust relationships. Aiming at the harm of simple malicious nodes, malicious defamation nodes and collusion groups to the system, a feedback information screening algorithm is also used to eliminate false and unfair feedback by detecting the correlation and importance of feedback from all nodes. Theoretical analysis and simulation results show that the model can effectively deal with attacks from simple malicious nodes, maliciously smashed nodes, and conspiracy groups, effectively reducing resource query overhead and resource query failure rate.
Keywords: mobile peer-to-peer network grouping incentives mechanism trust model
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