During recent several years , Peer-to-Peer Networks have been focused on by the computer realm. According to the definition of Peer-to-Peer Working Group Committee, P2P can be used in the file sharing, distributed computing and so on.

• 在过去的几年中，对等网络(Peer-to-Peer Network，简称P2P)的迅速发展引起了计算机界的关注，根据Peer-to-Peer Working Group Committee的定义，P2P在商业上的应用主要有文件共享、边界服务、分布式计算，但文件共享是目前最重要的一个应用。