I found a link http://turbomanage.wordpress.com/2010/03/02/tips-for-using-cachingdispatchasync-with-gwt-dispatch/
But there is no step by step guideline for how to use it.
I am using GWTP (with Gwt2.5).
So Can you provide a very simple example how to use gwt-dispatch with its CachingDispatchAsync?