本次作业是要求设计并实现一个P2P即时通信系统。并且要求如下:

(1) Peer与Peer之间通信基于UDP协议，并采取必要的可靠性控制；

(2) 每个peer的服务器端采用预分配技术以获取同时多人通信时的良好性能。

，python编写-The task is to design and implement a P2P instant messaging system. And requirements are as follows: (1) communication between Peer and Peer UDP-based protocol, and to take the necessary reliability of control　(2) for each peer server side using pre-allocation techniques to get good performance while multiplayer communication. , Python write