OPNET模拟具有星形拓扑实验室网络，由于需要，扩展一个实验室，分析仿真结果，一个额外的实验室的网络，以检测扩展负载是否会影响网络性能或引起的网络通信故障。-opnet a laboratory simulation of a building has a star topology network, due to the need, in a next expansion, analysis and simulation results, an additional network of la