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Network Working Group Request for Comments: 633 NIC: 30240

A. McKenzie BBN-NET March 18, 1974

IMP/TIP Preventive Maintenance Schedule This note presents the current IMP/TIP Preventive schedule. Preventive Maintenance is scheduled on a given machine is normally scheduled at the same wherever possible the time is chosen to coincide the Host(s) at the site. Maintenance a monthly basis and time each month; with the PM time for

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 NCC TIP [0830-1130] [1130-1430] [1300-1700]

WRIGHT-PATTERSON First Tuesday BBN TIP UCSB

[0830-1130]

[1130-1430]

McKenzie

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RFC 633

IMP/TIP Preventive Maintenance Schedule

March 1974

First Wednesday CARNEGIE [0830-1130]

SRI [1130-1430] First Thursday SDAC UTAH NORSAR LONDON [0830-1130] [1030-1330] [0830-1130] [0830-1130]

Second Monday MIT-MAC MIT-IPC DOCB [0830-1130] [1200-1500]

[1030-1330]

Second Tuesday MITRE [0830-1130]

USC [1130-1430] Second Wednesday CCA [0830-1130] [1130-1430]

STANFORD XEROX

[1500-1800]

RADC [1430-1730] Second Thursday BELVOIR UCSD RML [0830-1130]

[1130-1430] [0930-1230]

McKenzie

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RFC 633

IMP/TIP Preventive Maintenance Schedule

March 1974

Second Friday TYMSHARE Third Monday HARVARD UCLA [0830-1130] [1300-1600]

[1000-1300] [1600-1900]

KIRTLAND Third Tuesday RAND SDC

[1130-1430] [1530-1830]

Third Wednesday ILLINOIS [0930-1230] ARPA [1800-2100] [1130-1430] [0800-1130] [1130-1430] [1500-1600]

AMES IMP AMES TIP HAWAII MOFFETT

Third Thursday ETAC FNWC [0830-1130] [1130-1430]

Fourth Monday CASE [0830-1130]

Fourth Tuesday NBS LBL [0830-1130] [1130-1430]

McKenzie

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RFC 633

IMP/TIP Preventive Maintenance Schedule

March 1974

Fourth Wednesday LINCOLN RUTGERS [0830-1130] [1000-1400]

Fourth Thursday GWC ISI [0930-1230] [1300-1600] [0830-1130]

ABERDEEN 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

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