详细介绍TCP版本中New Reno 和 Sack 两种类型的运行方式，用NS2做了相应实验，并附上相应源代码！希望对大家有所帮助！谢谢！-Detailed version of New Reno and TCP Sack both types of operation mode, do the corresponding experiments with NS2, together with the corresponding source code! We want to help! Th