在仿真网格环境中,信任机制是解决网格服务安全问题的一种有效方法.参考社会学的人际关系信任模型,建立了仿真网格节点信任推荐机制,并利用推荐证据推理理论,提出了将推荐证据组合为间接信任的一种线形时间递归算法。将直接信任和间接信任组合为综合信任,从而构建了一个计算仿真网格节点信任度的信任模型,并分析了模型中的几个关键问题。仿真试验和结果分析表明,提出的信任模型具有合理性、有效性及工程可行性。
In simulation grid environments,trust mechanisms are effective methods which can solve security problems of grid services.Referring to social trust relationship,a trust recommend mechanism was established and a recursion arithmetic of linearity time was brought forward based on recommend evidence theory.In addition,by combining the direct trust and indirect trust,a trust model of trust degree for computer simulation grid nodes was proposed and some key question was analyzed.Simulations and result analyses show that the trust model is reasonable,effective and practical.