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Solving the Limitations of CGI

• Standard solution: make the application be a permanently running process. A small CGI script (generally written in perl) connects and disconnects form it for every interaction.

  

• In LP/CLP:
  • The running process is a standard application.
  • The CGI executable can be an LP/CLP script.
  • Communication by standard means: sockets, blackboards, etc.
  • Several solutions proposed for dealing with several running sessions at the same time (in essence, concurrency is needed).
• ``Active modules'' can be used well for this purpose.