在ns模拟结束后利用其自带的AWK工具分析所得TRACE文件所用的脚本文档 可分析吞吐量 丢包数目等数据 并生成相应文档输出-Ns simulation at the end of use of its own analysis of the TRACE instrument AWK paper documents can be used in scr ipt analysis of the number of data throughput of packet loss and generat