RFC344 Network Host Status
0344 Network Host Status. E. Westheimer. May 1972. (Format: TXT=8221 bytes) (Obsoletes RFC0342) (Obsoleted by RFC0353) (Status: UNKNOWN)
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Network Working Group Ellen Westheimer
Request for Comments: 344 BBN
NIC #10423 22 May 1972
Categories: F, G.3
Updates: RFC #342
Obsoletes: None
NETWORK HOST STATUS
This RFC reports on the status of most Network Hosts from
May 8 to May 19. No testing was done on May 15 due to the attempt
to install the new IMP system on that day.
During this interval the PDP-10 of the MIT Artificial
Intelligence Group (Network address 134) and the PDP-10 at
Stanford (Network address 11) each became Network Servers.
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. The only
Host in this category is the PDP-10 at Case (Network
address 13).
2) Hosts which are currently intended to be users only.
Included here are the Terminal IMPs, which are presently
in the Network (AMES, MITRE, NBS, ETAC, USC, GWC, and
BBN*). 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
23 USC IBM-360/44
The tables on the next two pages summarize the Host status
for this period.
_____________
*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.
[Page 1]
"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 June)
2 SRI(NIC) PDP-10 Server Jim White
66 SRI(AI) PDP-10 Server Len Chaiten
3 UCSB IBM-360/75 Server Ron Stoughton
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
6 MIT(Multics) H-645 Server Mike Padlipsky
70 MIT(DM) PDP-10 Server Bob Bressler
134 MIT(AI) PDP-10 Server 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 Server Andy Moorer
*12 ILLINOIS PDP-11 User Only John Cravits
*13 CASE PDP-10 June Charles Rose
14 CARNEGIE PDP-10 Server Hal VanZoeren
15 AMES ILLIAC Server 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
*23 USC IBM-360/44 User Now James Pepin
*151 USC TIP User Only
*152 GWC TIP User Only
*158 BBN TIP User Only
(Prototype)
______________
*Host not included in daily testing.
#The NMC is a research site and would like to have prior arrangement
with each user.
[Page 2]
SITE
NO. SITE DATE AND TIME (EASTERN)
---- ---- -----------------------
5/8 5/9 5/10 5/11 5/12 5/16 5/17 5/18 5/19
1630 1300 1730 1630 1300 1300 1600 1400 1300
1 UCLA-NMC T D O H H D O O O
65 UCLA-CCN* O O O O O O O O O
2 SRI-ARC O O D O O O O O O
66 SRI-AI D D D D D D D D D
3 UCSB-MOD75 O O O O O O O O O
4 UTAH-10 O O H O D O D O O
69 BBN-TENEX O O O O O O O O O
133 BBN-TENEXB #T O #T #T #T #T #D O O
6 MIT-MULTICS O D O O O O O D H
70 MIT-DMCG F O O O O F O F O
134 MIT-AI T H H H H H H H H
71 RAND-CSG D H O O O O D D D
8 SDC-ADEPT D #D D D D #D #D #D #D
9 HARVARD-10 O O #D O O O O O O
10 L.L.-360 T D D D H D H H H
74 L.L.-TX-2 T D O O O D #D O R
11 STANFORD-AI T D D T T H D D D
14 CMU-10 D D O O O O O O O
15 AMES-ILLIAC D D T T D D T T T
16 AMES-67 D D D D D D D D D
where
D = Dead (Destination Host either dead or inaccessible [due to network
partitioning or local IMP failure] from the BBN Terminal IMP.)
F = Full (Destination Host opened a connection, informed user that all
Network ports were in use, and immediately closed the connection.)
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 with 60 seconds.)
[Page 3]
_______________
* 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 BBN Corp. Alex McKenzie 12/96]
[Page 4]
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