Each server
running under UNIX offering a service normally executes as a separate process.
When the number of services being offered becomes large, however, this becomes
a burden to the system. This is because
resources must be allocated to each server process running, even when there are
no current requests for the services being offered.
Additionally, it
can be observed that most server programs use the same general procedure to
create, bind, listen, and accept new client connections. A similar observation
can be made for
connectionless
server operation. In this post, you will learn about
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