P2P technology is one Hotpoint of current computer network area.JXTA is a popular developing platform for P2P applications.And these programs are open and transplantable.

• P2P技术是目前计算网络领域的研究热点,JXTA是开发P2P应用程序的流行平台,使用JXTA开发的P2P程序具有很好的开放性和可移植性。