Network Programming: The Network Socket
The basic TCP/IP network programming facility is the network socket. The network socket represents a communication point between two programs. Programs use the sockets for input, output, or both. The socket is identified by a begin point (an IP address) and an endpoint (an IP address and a port number) such that multiple connections can be made to the same server on the same port, as shown in Figure 17-3.
Figure 17-3. TCP/IP sockets.
Java provides an API that allows the creation of sockets over TCP/IP networks. This API is integrated with the streams API to provide a clean abstraction of I/O. An application ...
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