Hi Praadep,
You might have a point here. Speaking from my experience with WebLogic, I don’t remember the documentation saying exactly how this is achieved. It provides detailed information about clustering any type of enterprise beans only. You might check the documentation for versions before 6, when the clustering was not introduced. If you are interested to get more information about clustering you can check this
thread:
https://coderanch.com/t/315844/EJB-JEE/java/Session Without reading any specifications I bet that this is achieved in a very straightforward way: the SFSB stub appends one more attribute to every method. Kind of a serializable cookie that gets passed forward and back from the client to the server, over RMI or T3 protocol. This is my two cents bet and I can’t think of anything else that makes more sense.
Regards.