Bandwitch limit - suspending page after exceeding

[BioALIEN]

What kind of solution can you think of?

1) Send out notification emails to the user, reseller and admin if bandwidth reaches xx% of the total allocated limit for the user.

2) If bandwidth reaches the specified limit, do one of the following:
2.1) Suspend account
2.2) Send out a notification to user, reseller and admin (same as above but different message)
2.3) Do nothing.