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 introduce some commonly used on the simulator.