MDA - internet/web/web-server

procedure:: web server listens on port 80 for incoming HTTP requests
example:: proprietary: Internet Information Server (IIS), Netscape Enterprise Server, Sun ePlanet
Comment:: can be a dedicated web server, co-located or hosted virtual server
procedure:: sends back the requested object
Comment:: process that provides web documents to web clients
Comment:: all web servers support HTTP -- some also support FTP (and other protocols)
procedure:: checks the request (syntax, existence of document, authentication...)
Comment:: also which languages and platforms supported
Comment:: can be on company intranet or on public Internet
example:: open source server: Apache, Zope, aolserver
Comment:: differ mostly in the server-side features they offer -- mainly how dynamic pages are generated

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