Monday, August 6, 2007

There are various advantages of CGI:


  • Simplicity. CGI provides a simple way of running programs on the server when a request is received and it is conceptually easy to understand the underlying process.
  • Process Isolation. Since CGI applications run in separate processes, buggy applications will not crash the Web server or access the server's private internal state.
  • Portability. CGI is an open standard. CGI is not tied to any particular (such as single- or multi-threaded) server architecture. CGIs are far more portable over other alternatives such as server extension APIs.
  • Language Independency. CGI applications can be written in nearly any language.
  • Support. CGI is a proven technology, and some form of CGI has been implemented on almost every Web server on a variety of platforms. There are many CGI scripts available for free for a variety of applications: as user-friendly front-ends to databases, search engines, scientific analysis tools, traditional inventory systems, gateways to network services such as gopher or whois.
  • Evolvability. CGI is alive and well, and as pointed out in Webmaster's Domain: Is CGI Dead?, work towards CGI 1.2 specification is in progress.

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