ns2初学者原创程序，为三节点有线连接tcl文件，以及分析throught,loss,delay参数的awk文件和运行结果。并对不同连接带宽参数下对脚本进行修改，分析不同情况下参数的变化。适合刚刚使用ns2以及awk的初学者。-ns2 beginners original procedures for the three-node wired connection tcl files, and analysis throught, loss, delay parameters of the awk documentation and results. And under different connection bandwidth parameters of the scr ipt be modified to analyze the parameters under different circumstances change. Suitable for use ns2 and awk just the beginners.