在企业及整个社会信息化不断加快的今天,网络上的关键应用越来越多,网络的复杂程度越来越让 IT 管理人员感到无所适从。原因在于,面对错综复杂的网络,网络系统管理人员获得网络性能和网络被利用的情况的信息途径却少的可怜,网络故障的不可预知性使得网络人员不清楚什么时候网络会发生故障,而一旦发生了故障,便势如救火, Today, as enterprises and the society as a whole are accelerating their informationization, more and more key applications are on the network, and the complexity of the network makes IT managers feel overwhelmed. The reason is that in the face of intricate networks, network system managers have poor access to network performance and network utilization. The unpredictability of network failures makes it difficult for network personnel to know when the network will fail, and once A breakdown, such as fire fighting,