OPNET is an excellent network simulation software which can help researchers to design, construct, analyze and manage the architecture, device and application of networks.

OPNET是一款优秀的网络仿真软件，其优点是帮助研究人员进行网络结构、设备和应用的设计、建设、分析和管理。

youdao

NS2, with advanced design ideas, is a free-of-charge and open-source multiprotocol network simulation software. NS2 is a very important tool in the area of network simulation.

基于先进设计思想的NS2，是一个免费的、开源的多协议网络仿真软件，在网络仿真领域中占有十分重要的地位。

youdao

Finally, before the implementation of the project we better simulate in Cisco's corporate network simulation software to verify the rationality and stability of the network design.

最后在工程实施之前在思科提供的模拟软件上模拟设计好的企业网络，以验证网络的合理性和稳定性。

youdao