That's an EXTREMELY broad question! You could spend weeks studying that...
If you really want an answer, you'll have to ask a much more specific question. I mean, I assume you're using some J2EE technologies...maybe running on Apache Tomcat or something like that...there are lots of different methods. You need to provide more details!
Post by:autobot
If you settle for what they are giving you, you deserve what you get. Fight for this tiny ad!
a bit of art, as a gift, the permaculture playing cards