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IETF RFC 319
Network Host Status
Last modified on Thursday, April 20th, 2000
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Network Working Group Ellen Westheimer
Request for Comments: 319 BBN
NIC: 9349 March 21, 1972
Updates: RFC 315
NETWORK HOST STATUS
This RFC reports on the status of most Network Hosts from February 28
to March 10. The ETAC Terminal IMP (Network address 148) was
installed during this period.
Several Hosts are currently excluded from the daily testing. These
Hosts fall into two categories:
1) Hosts which are not expected to be functioning on the Network
as servers (available for use from other sites) on a regular
basis for at least two weeks. Included here are:
Network
Address Site Computer
------- ---- --------
134 MIT-AI PDP-10
13 Case PDP-10
15 Ames/(Paoli) ILLIAC/(B6500)
2) Hosts which are currently intended to be users only. Included
here are the Terminal IMP's which are presently in the Network
(AMES, MITRE, NBS and BBN). [The BBN Terminal IMP (Network
Address 158) is a prototype and as such is frequently not
connected to the Network, but being used to refine and debug
the Terminal IMP programs.] This category also includes the
Network Control Center computer (Network Address 5) which is
used solely for gathering statistics from the Network.
Finally, included among these Hosts are the following:
Network
Address Site Computer
------- ---- --------
7 Rand IBM-360/65
73 Harvard PDP-1
12 Illinois PDP-11
19 NBS PDP-11
The tables on the next two pages summarize the Host status for this
period.
Westheimer PAGE 1 
RFC 319 Network Host Status March 1972
"STATUS OR
SITE PREDICTIONS"
ADDRESS SITE COMPUTER STATUS OR PREDICTION OBTAINED FROM
------- ---- -------- ------------------- --------------
1 UCLA SIGMA-7 Server #Limited Jon Postel
65 UCLA IBM-360/91 NETRJS now Bob Braden
(Telnet in April)
2 SRI(NIC) PDP-10 Server John Melvin
66 SRI(AI) PDP-10 "Soon" Len Chaiten
3 UCSB IBM-360/75 Server Jim White
4 UTAH PDP-10 Server Barry Wessler
*5 BBN(NCC) DDP-516 Never Alex McKenzie
69 BBN(TENEX-A) PDP-10 Server Dan Murphy
*133 BBN(TENEX-B) PDP-10 Server(Exper.) Dan Murphy
*158 BBN TIP User Only
(Prototype)
6 MIT(Multics) H-645 Server Mike Padlipsky
70 MIT(DM) PDP-10 Server Bob Bressler
*134 MIT(AI) PDP-10 User Now Jeff Rubin
*7 RAND IBM-360/65 User only Eric Harslem
71 RAND PDP-10 Server Eric Harslem
*8 SDC IBM-370/155 Server Bob Long
9 HARVARD PDP-10 Server Bob Sundberg
*73 HARVARD PDP-1 User Only Bob Sundberg
10 LINCOLN IBM-360/67 "Soon" Joel Winett
74 LINCOLN TX-2 Server Will Kantrowitz
11 STANFORD PDP-10 "Soon" Andy Moorer
*12 ILLINOIS PDP-11 User Only John Cravits
*13 CASE PDP-10 June Charles Rose
14 CARNEGIE PDP-10 "Soon" Hal VanZoeren
*15 AMES/(PAOLI) ILLIAC September John McConnell
(B6500)
16 AMES IBM-360/67 "Soon" Wayne Hathaway
*144 AMES TIP User Only
*145 MITRE TIP User Only
*19 NBS PDP-11 User Only Robert Rosenthal
*147 NBS TIP User Only
*148 ETAC TIP User Only
_________________
*Host not included in daily testing.
#The NMC is a research site and would like to have prior arrangement
with each user.
Westheimer PAGE 2
RFC 319 Network Host Status March 1972
SITE
NO. SITE DATE AND TIME (EASTERN)
---- ---- -----------------------
2/28 2/29 3/1 3/2 3/3
1200 1330 1100 1320 1700
1 UCLA-NMC O O #D O 0
65 UCLA-CCN O O #D O O
2 SRI-ARC O O #D T D
66 SRI-AI D D D D D
3 UCSB-MOD75 O O O O O
4 UTAH-10 O O #D O O
69 BBN-TENEX O O O O O
133 BBN-TENEXB #D #D O #D #T
6 MIT-Multics O O O O O
70 MIT-DMCG O H D O O
71 RAND-CSG O T O O D
8 SDC-ADEPT #D #D #D #D #D
9 HARVARD-10 O #D T O O
10 L.L.-67 H H T H H
74 L.L.-TX-2 O O #D T O
11 SU-AI D D D D D
14 CMU-10 H D D H D
16 AMES-67 D D D D D
SITE
NO. SITE DATE AND TIME (EASTERN)
---- ---- -----------------------
3/6 3/7 3/8 3/9 3/10
1530 1600 1430 1400 1700
1 UCLA-NMC O O O O #D
65 UCLA-CCN D O O O O
2 SRI-ARC O O H D O
66 SRI-AI D D D D D
3 UCSB-MOD75 O O O O O
4 UTAH-10 O O O O O
69 BBN-TENEX D O O O O
133 BBN-TENEXB #D #D #D #D #D
6 MIT-Multics O O D D O
70 MIT-DMCG D D O O O
71 RAND-CSG D D O O O
8 SDC-ADEPT #D #D #D #D D
9 HARVARD-10 O O O O O
10 L.L.-67 H D H H H
74 L.L.-TX-2 O O #D O O
11 SU-AI D D D D D
14 CMU-10 D D D D D
16 AMES-67 D D D D D
Westheimer PAGE 3
RFC 319 Network Host Status March 1972
where
D = Dead (Destination Host either dead or inaccessible [due to
network partitioning or local IMP failure] from the BBN Terminal
IMP.)
H = 1/2 Open (Destination Host opened a connection but then either
immediately closed it, or did not respond any further.)
O = Open (Destination Host opened a connection and was accessible
to users.)
R = Refused (Destination Host returned a CLS to the initial RFC.)
T = Timed out (Destination Host did not complete the ICP and open
a connection within 60 seconds.)
The only service currently offered by the UCLA IBM-360/91 is a
Network Job Service (NETRJS), however, the BBN Terminal IMP is not
equipped to test NETRJS. We are assuming that initial connection to
the NETRJS logger indicates that NETRJS is also functioning.
____________
#These sites advertise that they may not have their system
available at these times.
[This RFC was put into machine readable form for entry]
[into the online RFC archives by Hilhne Morin, Viaginie, 12/99]
Westheimer PAGE 4
Network Host Status
RFC TOTAL SIZE: 8955 bytes
PUBLICATION DATE: Thursday, April 20th, 2000
LEGAL RIGHTS: The IETF Trust (see BCP 78)
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