Peer to server and peer(P2SP) mode combines the technical advantages of both C/S and P2P,and can not only improve the quality of information service but also control the cost of the sys-tem.

• 对等服务器网络(P2SP)模式融合了C/S和P2P两者的技术优势,可以提高信息服务的质量,同时控制系统的成本。