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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]