The upgrade of the York Data Network continues over the Christmas break. The following service interruptions will result. 18 December 1998, from 1700 to 2400. All services interrupted except modem pool access to Internet. 19 December 1998, from 0900 to 1700. No network access from Farquharson, Calumet, BSB, WOB and McLaughlin. 19 December 1998, from 0900 to 1500. No network access from Glendon's A Wing, York Hall, Glendon Hall, CSB and Proctor Field House. 22 December 1998, from 0900 to 1700. No network access from Scott Library and Central Square. 22 December 1998. Periodic modem pool service interruptions due to relocation of modem pool subnets. 28 December 1998, from 0900 to 1700. All email services on Phoenix interrupted in order optimize performance of the disk array hardware that provides file storage for central email and Phoenix services.