服务计算环境下的信任评估模型

摘要

On the basis of analysis of the traditional trust evaluation model's advantages and disadvantages,trust concept and trust calculation methods,according to the third party agent reputation and group recommended opinions,this paper proposed a new trust evaluation security model in the environment of service computing ( SOC-TrustSM ). On the basis of traditional trust evaluation model, SOC-TrustSM introduced the thought of first or second or third-hand view and group credit view. SOC-TrustSM can effectively evaluate the agency credibility of both sides in the environment of service computing,and resist mali-cious recommendation behavior of agency effectively.%分析了传统信任评估模型,论述了基于信任的扩展SOA模型和信任建模方法,根据第三方代理的推荐信誉看法和团体信誉看法,提出了一种新的服务计算信任评估安全模型(SOC-TrustSM).SOC-TrustSM在传统信任评估模型的基础上,引入了第一手、第二手、第三手的推荐信誉看法及团体信誉看法,能够较准确地获得服务计算环境下获信代理的信任值,可以有效地抵御代理间的恶意推荐行为.