Yep. It's the layer called the application server. The main reason for this layer, as opposed to CGI which has no app server, is that the application is persistent as opposed to execute on demand. With a dynamic language like Perl, the benefits of persistence are enormous. Reduced a little–

AppCode <-> AppServer <-> WebServer

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In reply to Re^7: is Plack really necessary? by Your Mother
in thread is Plack really necessary? by Anonymous Monk

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