RFC255 Status of network hosts
0255 Status of network hosts. E. Westheimer. October 1971. (Format: TXT=4002 bytes) (Obsoletes RFC0252) (Obsoleted by RFC0266) (Status: UNKNOWN)
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Network Working Group Ellen Wentheimer
Request for Comments: 255 Bolt, Beranek and Newman
Updates: 252 October 26, 1971
NIC: 7696
This RFC reports on the status of most Network Hosts from October 12
to October 22. (Monday, October 11 was Columbus Day.) During these
two weeks, the general status of these Hosts remained as it had been
previously.
The table on the following page summarizes the daily information on
Host status for this period.
NETWORK SITE COMPUTER DAY, DATE AND TIME (Eastern)
ADDRESS T W TH F M
10/12 10/13 10/14 10/15 10/18
1530 1600 1600 1700 1730
1 UCLA SIGMA-7 O O O O O
65 UCLA IBM-360/91 O O O O O
2 SRI(NIC) PDP-10 O O #T O O
66 SRI(AI) PDP-10 D D D D D
3 UCSB IBM-360/75 O O O O O
4 UTAH PDP-10 T D T D D
69 BBN(TENEX) PDP-10 D D O O D
6 MIT(Multics) H-645 O D R T T
70 MIT(DM) PDP-10 T D T T D
8 SDC IBM-360-67 D D D D D
9 HARVARD PDP-10 O D D D D
10 LINCOLN IBM-360-67 D D D H D
NETWORK SITE COMPUTER DAY, DATE AND TIME (Eastern)
ADDRESS T W TH F
10/19 10/20 10/21 10/22
1630 1230 1330 1430
1 UCLA SIGMA-7 O O O O
65 UCLA IBM-360/91 O O O O
2 SRI(NIC) PDP-10 T O O O
66 SRI(AI) PDP-10 D D D D
3 UCSB IBM-360/75 O O D O
4 UTAH PDP-10 T D T D
69 BBN(TENEX) PDP-10 D O O O
6 MIT(Multics) H-645 T D D O
70 MIT(DM) PDP-10 D H H H
8 SDC IBM-360-67 D D D D
9 HARVARD PDP-10 D D D D
10 LINCOLN IBM-360-67 D H T H
Wentheimer [Page 1]
RFC 255 October 1971
where
D = Dead (Destination Host either dead or inaccessible [due to
network partitioning or local IMP failure] from the BBN Terminal
IMP.)
R = Refused (Destination Host returned a CLS to the initial RFC.)
T = Timed out (Destination Host did not respond in any way to the
initial RFC, although not dead.)
H = 1/2 Open (Destination Host opened a connection but then
either immediately closed it, or did not respond any further.)
O = Opened (Destination Host opened a connection and was
accessible to user.)
* The UCLA IMB-360/91 currently has Remote Job Service (NETRJS),
but has not implemented a full server Telnet System. The BBN
Terminal IMP is not equipped to test NETRJS however, we are
assuming that receipt of the UCLA explanatory message 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 Kelly Tardif, Viagenie 10/99]
Wentheimer [Page 2]
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