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一种新的基于改进型D-S证据理论的P2P信任模型 被引量:13

A New Trust Model Based on Advanced D-S Evidence Theory for P2P Networks
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摘要 在大规模对等网(P2P)文件共享环境中,节点之间信任问题亟需解决。该文提出一种基于改进型D-S证据理论的P2P信任模型,给出了该模型的数学分析和抑制各类恶意节点攻击的措施。实验证明该算法较已有的一些信任机制在系统成功交易率、模型的安全性等问题上有较大改进。 Trust relationship between participants is indispensable to set up in a large-scale distributed P2P file-sharing system. A novel trust model for P2P system based on advanced D-S theory of evidence is proposed in this paper to solve this problem, in which mathematic analysis and some measures are presented to defense against several malicious attacks. The experimental results show that, compared to the current some trust models, the proposed model is more robust on trust security problems and more advanced in successful transaction rate.
出处 《电子与信息学报》 EI CSCD 北大核心 2008年第6期1480-1484,共5页 Journal of Electronics & Information Technology
基金 国家973项目(2003CB314806) 国家自然科学基金(60603060,60502037,90604019)资助课题
关键词 对等网 D-S证据理论 信任 局部信任度 P2P D-S theory of evidence Trust Local trust value
作者简介 田春岐:男,1975年生,博士生,研究领域为P2P网络、信任管理. 邹仕洪:男,1978年生,博士,副教授,主要研究领域为IP网服务质量、服务管理、移动自组网、无线传感器网络. 王文东:男,1963年生,教授,主要研究领域为网络服务质量、服务管理、下一代网络NGN. 程时端:女,1940年生,教授,博士生导师,主要研究领域为IP网的服务质量控制、管理、测量理论及技术、下一代互联网的体系结构、协议与应用、宽带网的业务流量工程理论与技术.
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参考文献11

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