Apparently there was some kind of network glitch which has resulted in ~15minute internet access outage for all of dal campus.
See below for official announcement email.
Start Date: 2007/11/20 Time: 13:35 End Date: 2007/11/20 Time: 13:38 Subject: Network Services Lost - Router Reboot Contact: noc@dal.ca 494-2662 Network services affecting all of the Dalhousie campus were lost due to an apparent router malfunction. Service has returned to normal. Technicians are investigating the cause. -- Updated Tue Nov 20 13:43:36 2007 by Jeffrey Uebele