分布式系统可靠性模型

文章首先给出分布式系统的一般描述；然后采用建立在图论、概率论及布尔代数基础上的网络分析法建立了分布式系统的可靠性模型，用以综合考虑系统拓朴结构、任务集、通讯路径集和处理单元集等对系统可靠性的影响；最后，针对二维TORUS网，给出了建模实例以及模型的有关应用。

Reliability Model of Distributed Systems

In this paper, the general descriphon of distributed systems is presented firsdy; Then, in order to consider the combined influence of system topology, task set, communication path set and p~essing unit set, thenetwork analysis method which is based on graph theory, probability theory and Boolean algebra, is used to setup the distributed systems reliability model; At last, as to ZD--TORUS, a modeling example is presented, and thereliability model application is also shown.