采用第一代p2p模型，该P2P实验系统由三个组件组成：监听器、浏览器和服务器。虽然没有代码，但是其设计思想，和系统结构图，对其他人设计类似系统有很好的指导作用。-Using the first generation of p2p model, the P2P experimental system consists of three components: listening device, browser and server. Although there is no code, but i