在基于时间窗口的Internet服务故障管理中,时间窗口大小设置不合适会给算法准确度带来影响.为了降低这种影响,分析了Internet服务故障管理中存在的问题,提出了分层故障管理模型,采用图论技术进行故障诊断,选择二分图作为各层的故障传播模型.提出了基于时间窗口的故障诊断算法一一多窗口故障诊断(multi.windowfaultdiagnosis,简称MFD),该算法通过综合考虑相邻时间窗口之间的关联关系,在一定程度上降低了因时间窗口大小设置不合适而给算法准确度带来的影响.仿真结果证明了MFD算法的有效性和效率、
In window-based Internet service fault management, improper time window size setting will affect the fault diagnosis algorithm. In order to reduce the impact, challenges of Internet service fault management are analyzed in this paper, and a layering model is recommended. Bipartite graph is chosen to be the fault propagation model (FPM) for each layer. A window-based fault diagnosis algorithm MFD (multi-window fault diagnosis) is proposed for the bipartite FPM. MFD takes the correlation of adjacent time windows into account. As a result, it can reduce the impact of improper time window size setting. Simulation results prove the validity and efficiency of MFD.