基于 Bayes 的对等网信任模型仿真与分析
기우 Bayes 적대등망신임모형방진여분석
Analyse and Simulation of the Bayes based Trust Model for Peer-to-Peer Network
  • 万方数据
    计算机安全 계산궤안전
    NETWORK AND COMPUTER SECURITY
    2013年 7期 15-20 ,共6页

    高昆仑%赵保华%赵东艳%孙歆%袁劲枫%韩兰胜

    고곤륜%조보화%조동염%손흠%원경풍%한란성

    对等网络环境%Bayes 概率统计%信任模型 對等網絡環境%Bayes 概率統計%信任模型
    대등망락배경%Bayes 개솔통계%신임모형
    P2P network environment%Bayes probability and statistics%trust model
    针对对等网络环境中的信任关系的复杂性，动态性和不确定性以及传统的信任管理模型不能很好地适应对等网络，对基于 Bayes 概率统计的信任量化模型进行仿真与分析，在信任计算中，引入经验贝叶斯估计来计算直接信任值和推荐信任值，节点根据自身的情况进行权重分配，计算综合信任评价，最后提出了信任模型在对等网络中的实现方法。仿真结果显示，该模型具有很好的动态适应能力，可以有效地检测并隔离系统中的恶意节点，降低系统的服务失败率。
    침대대등망락배경중적신임관계적복잡성，동태성화불학정성이급전통적신임관리모형불능흔호지괄응대등망락，대기우 Bayes 개솔통계적신임양화모형진행방진여분석，재신임계산중，인입경험패협사고계래계산직접신임치화추천신임치，절점근거자신적정황진행권중분배，계산종합신임평개，최후제출료신임모형재대등망락중적실현방법。방진결과현시，해모형구유흔호적동태괄응능력，가이유효지검측병격리계통중적악의절점，강저계통적복무실패솔。
    According to the complexity ,dynamic and uncertainty of trust relationship in the P2P network environment and the traditional trust management can not adapt to the P2P network wel,Based on Bayes probability and statistics of trust quantization model is analyzed. In the calculation of trust,Introducing experience bayesian estimation to calculate the direct trust value and recommendation trust value,node distribute the weight according to the condition of itself and calculate the Comprehensive trust evaluation. Finaly a trust model method for P2P network is proposed. Simulation results shows that this model has good dynamic adaptive capacity,can effective detection and isolation malicious node of system,reduce the service failure rate .
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