NS2使用C++和Otcl作为开发语言。NS可以说是Otcl的脚本解释器，它包含仿真事件调度器、网络组件对象库以及网络构建模型库等。-NS2 using C++ and Otcl as a development language. NS can be said Otcl scr ipt interpreter, which contains the simulation event scheduler, network component object libraries, and network building model database.