Here is an iApp which allows you to configure more than 1 virtual server for an application. Built for v11.2.0 but also works in v11.3 and v11.4. Requires LTM by default but you can add AVR is you want. WA has been hashed out but can be re-instate if you require.
I know that v11.4 http default does include some of the configuration choices below. However at the time of writing this iApp back in January 2013 these were not included in the http iApp shipped with v11.2. Also good news is that when I upgraded from v11.2 to v11.3 all templates and application deployments still worked.
Additional configuration choices include:
Contributed by: ccb
looks like a dead end....