While the University is closed for the Christmas break, Network Operations will be carrying out annual preventative maintenance tasks, as well as certain software upgrades to the data network. This work will result in some interruption to network services, including Internet access on Sunday Dec. 29 during the times listed below: 10:00 - 16:00hrs: Computer Science Building During this period there will be several service interruptions of various lengths affecting all network services in the Computer Science Building. This outage is necessary in order to perform software upgrades to a core switch in the building. 10:00 - 14:00hrs: All Keele & Glendon Campus Buildings, Dialup Service, Internet & CA*Net Access. During this period there will be several brief service interruptions of approx. 5 minutes to network services in each building. These brief service interruptions will also impact the University's dial up modem service as well Internet/CA*Net Access. These outages are necessary in order to perform software upgrades to various network components. Questions or concerns about this note, should be directed to the CNS Helpdesk in the Computing Commons, Parking Structure II, (voice: 416-736-5800, email: [log in to unmask]).