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Lecture
13B |
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| Client - Server |
The
Server
- Client
paradigm has become a dominant one in many major Internet applications
such as database interactions.
In Java, client-server systems can be setup with
sockets or with RMI
(Remote Method Invocation).
We will discuss RMI later.
In
a socket based system, a server listens to
a port for client applications sending requests or providing information.
A ServerSocket
class is provided in Java for a server to wait for connections initiated
by a client when the client creates a socket with the hostname and port
for that server.
Here the server's ServerSocket will setup connections to clients and then spin off a thread process to interact with the client for that socket.
We will discuss some client-server applications in later lectures.
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