介绍Ａｇｇａｒｗａｌ等人提出的把容量和连通性综合在一起考虑的通信网络加权可靠性指标概念。推荐一种把网络进行图形分解计算性能指标的方法。最后例举三种典型网格状通信网络进行计算与分析 This paper introduces the concept of weighted reliability index of communication network that Aggarwal et al. Put forward to consider the capacity and connectivity. Recommend a way to graphically decompose the network to calculate performance metrics. Finally, we give an example of three typical grid-like communication networks for calculation and analysis