Network Programming with Perl

Chapter 15. Preforking and Prethreading

Chapters 9 through 12 demonstrated several techniques for handling concurrent incoming connections to a server application:

1. Serial The server processes connections one at a time. This is typical of UDP servers, because each transaction is short-lived, but it is distinctly uncommon for connection-oriented servers.

2. Accept-and-fork The server accepts connections and forks a new child process to handle each one. This is the most common server design on UNIX systems and includes servers launched by the inetd super daemon.

3. Accept-and-thread The server accepts connections and creates new threads of execution to handle each one. This can have better performance than accept-and-fork because the system overhead ...