RFC633 - IMP/TIP preventive maintenance schedule

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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 RFCmechanism.

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]

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]

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]

Fourth Wednesday

LINCOLN [0830-1130]

RUTGERS [1000-1400]

Fourth Thursday

GWC [0930-1230]

ISI [1300-1600]

ABERDEEN [0830-1130]

Fourth Friday

LLL [1330-1730]

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