Hi Neeraja
My first suggestion is that you'd better not mention the fbn in your questions, but rise your question in an abstract way.
Then for your question, my opinion is you can always handle the session by HTTP session which is popular for most of the web systems, but how do you handle the session between fat client and server? ofcourse if your fat client is going to connect to the web server as well as thin client, HTTP session is ok. But if your fat client directly to
ejb tier,
you should think about it.In this way I prefer SFSB but I need time to confirm this solution for performance reason.