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From Carol Walter <walt...@indiana.edu>
Subject Re: [users@httpd] What is the Difference between A webserver(apache) and an application server?
Date Mon, 22 Sep 2008 15:03:24 GMT
May I also interject, although most applications these days are web  
applications, an application server may serve up applications that  
are not web applications.  An applications server may provide a  
platform for the middle ware, for example, a financial management  
package.

Carol

On Sep 20, 2008, at 11:40 AM, solprovider@apache.org wrote:

> On 9/19/08, Varuna Seneviratna <vswebservers@gmail.com> wrote:
>> What is the Difference between A webserver(apache) and an application
>> server?
>>
>> Varuna
>
> - A server handles centralized processing for multiple client  
> computers.
> - A basic Web server serves HTML pages and associated content (images,
> other files) using the HTTP protocol.
> - An application server runs one or more interactive applications.
> - Web applications add dynamic interaction to the HTTP protocol.  This
> was first handled with CGI scripts -- the HTTP request triggered an
> external (to the Web server) program on the server.  Web servers later
> incorporated the ability to include programming (Java servlets, better
> integration of PERL, etc.).
>
> Apache httpd has many modules for creating applications.  Apache httpd
> is also commonly used as a (front-end) proxy to multiple (back-end)
> applications servers (e.g. Tomcat, Geronimo, Cocoon, and non-Apache
> Web application servers).
>
> For more details, search Wikipedia for "Application server", "Web
> server", "Web application server", and even "Apache HTTP Server".
>
> solprovider
>
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