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, [EMAIL PROTECTED] wrote:
On 9/19/08, Varuna Seneviratna <[EMAIL PROTECTED]> 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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