session login

Is it reasonable to have a user profile managed in a DB at the mutlisite root level which can also be shared with a child. The child sites would aslo have their own DB to manage user data unique to the child context. If this is reasonable what does the DB configrauation look like and how is the parent DB accessed from a child site?

Thanks in advance for your help

Steve

hi everyone.

i recently installed Drupal 5.3 + the phpBB module & phpBB 3.
now, everything works well in Firefox. i can use a remote login form, users stay logged in between drupal and phpBB. But with IE and Safari, the users log into drupal, go to the forum, they still need to login. wanting to login, they get taken back to the drupal login screen (which is normal) but they're already logged in...

anyone have any ideas what the reason for this might be ? i've searched the drupal forum/the threads in this group, but still haven't found a solution.