Http proxy

It easy to use the standard Http proxy of Apache when single Tomcat is connected to Apache.

<Location /examples/>
ProxyPass http://localhost:8080/examples/
ProxyPassReverse http://localhost:8080/examples/
</Location>

AJP proxy

The AJP proxy is a new module based on the standard Http proxy it uses AJP instead of HTTP.

<Location /examples/>
   ProxyPass ajp://localhost:8009/examples/
</Location>

Source and Configuration

AJP proxy is integrated in httpd-2.1 and the developement and discussions take place there . More documentation can be found there mod_proxy_ajp and mod_proxy_balancer .