p2p成果出来以后，要对p2p算法和性能进行评价，p2p模拟器可以正确性验证并对协议的性能进行分析，本文就介绍几种常用的模拟器。-After the results from p2p, p2p algorithm and to evaluate the performance, p2p simulator can verify the correctness and analyze the performance of the agreement, this article will intro