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P2P网络环境下的推荐信任模型方案

DOI: 10.13190/jbupt.200903.69.daizhf, PP. 69-72

Keywords: 对等网络,信任,信誉,信任模型,基于推荐的信任模型

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Abstract:

P2P网络的匿名性和动态性带来了许多安全问题,传统的信任管理模型并不能很好的适应对等网络环境。提出了一种基于推荐的P2P网络信任模型,将节点提供服务和推荐的能力进行区分,用信誉值表示节点的推荐能力,根据节点的直接信任值、其它节点的推荐信任值和相应的惩罚值来计算节点的信任度,节点依据信任度选择交易对象。仿真实验表明,基于推荐的信任模型能有效的评估节点的信任度,在交易成功率上要优于传统的信任管理模型。

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