Pure p2P architecture ■ no always on server arbitrary end systems directly communicate peers are intermittently connected and change Ip addresses example: gnutella Highly scalable But difficult to manage 哈工大计算机学院李全龙 Network Application Development P2P Application Development 9哈工大计算机学院 李全龙 Network Application Development P2P Application Development 9 Pure P2P architecture „ no always on server „ arbitrary end systems directly communicate „ peers are intermittently connected and change IP addresses „ example: Gnutella Highly scalable But difficult to manage