In my application I have all the manage beans as of request scope. All the components in a view(page) are to to be generated based on the inputs the use enters in the previous. Basically it is a Testing UI for a set of Web services. So the response data of one web service will be shown as the UI to generate request for other service.
As the manage beans are of request scope, when I navigate backwards application all the data user entered in previous pages are lost.