I''m currently designing a application in rails which will require user logins. I figure that I''ll use the new login generator and it shouldn''t be too hard. One of the things that I''d like to add to the system in the future is support for some sort of BBS. Since there are lots of BBS packages out there, I think it would a waste of time to write my own. The one issue is that I would like to be able to share the login between my system and the BBS. Does anybody have any experience with that? Basically, I want to know if I should make any special considerations in terms of database structure so that integrating the BBS later is as simple as possible.