JavaBeans Unleashed

Creating Beans Using UDP

You now know enough about Internet communication to try it out. There are two ends to Internet communication, the sender and the receiver. The sending program sends data to a socket, which is an Internet address and port number. The receiving program waits at and periodically checks an Internet address and port number for incoming data. That's all there is to it on one level. The following compares clients to servers:

Client	Server
Operates on a variable port number, assigned at connect time	Nearly always operates on a fixed port
Initiates the connection and the request	Listens for a request but initiates no dialog
Generally only handles one thread for one connection	Generally handles multiple threads for multiple client ...