【摘要】 与传统的安全授权机制相比,信任管理是一种更具表达力,更直接、高效、完善的分布式授权方式,可以适应网格及其应用发展的安全需要。该文研究了信任管理系统中的关键部分――信任模型,对基于行为的网格信任模型,即基本网格行为信任模型和信任中介者模型进行了研究剖析,分析了其优点和不足,并对网格信任模型的未来进行了展望。更多还原

【Abstract】 Compared with traditional security authorized mechanisms,trust management is a more competitive,direct,efficient and sound distributed authorization,which can be adapted to grid applications development.This paper studies the key part of trust management system——trust models.Two behavior-based trust models: basic network behavior-based trust model and trust intermediary-based model are studied and analyzed.The paper analyses their advantages and weaknesses respectively.Some future outlook for grid trust models is offered.更多还原