P2P技术是当前计算机网络技术领域研究的一个热点。本文首先介绍P2P技术的产生背景、技术演进与工作原理，之后分析了它

的技术优势与不足。并对它的应用、市场运作和发展现状进行了介绍，最后对其发展前景进行了展望。-P2P technology is currently a hot research in the technical field of computer networks. This paper describes the background, technology evolution and works P2P technology, after analyzing its technical advantages and disadvantages. And it introduced its application, market operation and development status, and finally the prospects of its development prospects.