By acquiring the information of network topology, network administrator can locate network failures, discover network bottleneck and master the current status of the network. Then, the administrator can manage and optimize the network better and better.

• 网络管理人员通过获得网络拓扑信息，可以对网络故障进行定位，发现网络瓶颈，更加清楚地了解网络的当前状况，从而更好地优化并管理整个网络。