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Let's say Java has two kind of sockets: server sockets "ServerSocket" client sockets or just "Socket" Imagine the situation of two processes: X = Client Y = Server The server process Y : has a "ServerSocket", that is listening to a TCP port The client process X : sends a connection request through a "Socket" to Y. Y: Then the accept() method returns a new client type "Socket", when it occurs, the two Sockets get "interconnected", So: the socket in client process, is connected with the socket in the server process. Then: reading/writing through socket X is like reading/writing through socket Y. Now, two Client Sockets get interconnected!! But... What if I create the two Client sockets in same process, and I want to get them "interconnected" ? ... even possible? Let's say how to have two client socket get interconnected without using an intermediate ServerSocket? I've solved it by creating two Threads for continuously reading A and writing B, and other for reading B and writng A... But I think could be a better way... (Those world-energy-consuming threads are not necessary with the client-server approach) Any help or advice would be appreciated!! Thanks Edit: Example of application: "An existent server application could be converted to a client one", For example VNC server, one client socket connects to the VNC server, and other client socket is created (to connect to a middle server), then the application interconnects the two client resulting the VNC server is a client application! And then, no public IP is needed. VNCServer---MyApp---> |middle server| <---User

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