Application servers

Application servers extend a Web server's capabilities to handle Web application requests, typically using Java technology. An application server makes it possible for a server to generate a dynamic, customized response to a client request.

For example, suppose--

  1. A user at a Web browser on the public Internet visits a company Web site. The user requests to use an application that provides access to data in a database.
  2. The user request flows to the Web server.
  3. The Web server determines that the request involves an application containing resources not handled directly by the Web server (such as servlets). It forwards the request to a WebSphere Application Server product.
  4. The WebSphere Application Server product forwards the request to one of its application servers on which the application is running.
  5. The invoked application then processes the user request. For example:
  6. The application server collaborates with the Web server to return the results to the user at the Web browser.

The WebSphere Application Server product provides multiple application servers that can be either separately configured processes or nearly identical clones.


Related concepts
Naming conventions[5.0 only]
Related tasks
Deploying and managing applications



Searchable topic ID:   crun_appserv
Last updated: Jun 21, 2007 9:56:50 PM CDT    WebSphere Application Server for z/OS, Version 5.0.2
http://publib.boulder.ibm.com/infocenter/wasinfo/index.jsp?topic=/com.ibm.websphere.zseries.doc/info/zseries/ae/crun_appserv.html

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