In order to change this situation, while we are trying to update the basic network facilities and expedite the pace to build broad-band networks, we should put more emphasis on the work of performance analysis, which is necessary for the optimization of network design and upgrade. 为了改变这种状况,必须在加大对基础网络设备的投入和加快宽带网络的建设步伐的同时,重视对影响网络性能的各种参数的分析工作,优化设计或者改造网络的方案。