P2P虽然不是一种新的技术，但却是一种新兴的网络思想。它引导网络应用的核心从中央服务器向网络边缘的终端设备扩散。与传统的C/S模式相比，它在网络资源利用率、消除服务器瓶颈等方面具有明显的优势。本文就以P2P、流媒体、及其综合运用的成功实例网络电视作简单阐述，并展望P2P未来发展的主流趋势。-P2P is not a new technology, but it is an emerging network of ideas. Guide the application of its core network from a central network server to the edge of the proliferation of terminal equipment. With the traditional C/S mode compared to its network resources utilization, eliminate server bottlenecks and so has obvious advantages. This article on P2P, streaming media, and the comprehensive use of the success stories on network television to make a simple, and look forward to the future development of P2P trend.