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Network Working Group A. McKenzie Request for Comments: 633 BBN-NET NIC: 30240 March 18, 1974 IMP/TIP Preventive Maintenance Schedule This note presents the current IMP/TIP Preventive Maintenance schedule. Preventive Maintenance is scheduled on a monthly basis and a given machine is normally scheduled at the same time each month; wherever possible the time is chosen to coincide with the PM time for the Host(s) at the site. It is sometimes necessary to reschedule PM's because of network connectivity considerations or for other reasons. Whenever this is necessary we will follow the usual procedure for scheduling down time with our "primary contact" at the site. Permanent changes to the schedule will he announced via the RFC mechanism. PM's normally do not require the IMP/TIP to be taken down. However, machines must be taken down in some cases, so no one should rely on the machine remaining available through the PM period. PLEASE REMEMBER THAT TUESDAY MORNINGS FROM 7am TO 9am ARE RESERVED FOR NETWORK SOFTWARE MAINTENANCE. All times shown below are Eastern Time. First Monday (of each month) BBN IMP [0830-1130] NCC TIP [1130-1430] WRIGHT-PATTERSON [1300-1700] First Tuesday BBN TIP [0830-1130] UCSB [1130-1430] McKenzie [Page 1]
RFC 633 IMP/TIP Preventive Maintenance Schedule March 1974 First Wednesday CARNEGIE [0830-1130] SRI [1130-1430] First Thursday SDAC [0830-1130] UTAH [1030-1330] NORSAR [0830-1130] LONDON [0830-1130] Second Monday MIT-MAC [0830-1130] MIT-IPC [1200-1500] DOCB [1030-1330] Second Tuesday MITRE [0830-1130] USC [1130-1430] Second Wednesday CCA [0830-1130] STANFORD [1130-1430] XEROX [1500-1800] RADC [1430-1730] Second Thursday BELVOIR [0830-1130] UCSD [1130-1430] RML [0930-1230] McKenzie [Page 2]
RFC 633 IMP/TIP Preventive Maintenance Schedule March 1974 Second Friday TYMSHARE [1300-1600] Third Monday HARVARD [0830-1130] UCLA [1000-1300] KIRTLAND [1600-1900] Third Tuesday RAND [1130-1430] SDC [1530-1830] Third Wednesday ILLINOIS [0930-1230] ARPA [1800-2100] AMES IMP [1130-1430] AMES TIP [0800-1130] HAWAII [1130-1430] MOFFETT [1500-1600] Third Thursday ETAC [0830-1130] FNWC [1130-1430] Fourth Monday CASE [0830-1130] Fourth Tuesday NBS [0830-1130] LBL [1130-1430] McKenzie [Page 3]
RFC 633 IMP/TIP Preventive Maintenance Schedule March 1974 Fourth Wednesday LINCOLN [0830-1130] RUTGERS [1000-1400] Fourth Thursday GWC [0930-1230] ISI [1300-1600] ABERDEEN [0830-1130] Fourth Friday LLL [1330-1730] [ This RFC was put into machine readable form for entry ] [ into the online RFC archives by Alex McKenzie with ] [ support from GTE, formerly BBN Corp. 2/2000 ] McKenzie [Page 4]