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IETF RFC 235
Site status
Last modified on Friday, June 2nd, 2000
 Permanent link to RFC 235
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Network Working Group E. Westheimer
Request for Comments: 235 BBN
NIC: 7652 September 27, 1971
Obsoletes: None
Updates: None
SITE STATUS
Beginning with this RFC, BBN will report on the status of most
Network Hosts approximately once every two weeks. The information
for these reports will be gained from talking to people at each site,
and from experimental "data". These data will be the results of
daily attempts to log into each of the Hosts which might be
accessible to a Network user; the attempts will have been made from
the BBN prototype Terminal IMP at a random time each weekday.
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) for at least a
month. Included here are:
Network Site Computer
Address
71 Rand PDP-10
74 Lincoln TX2
11 Stanford PDP-10
13 Case PDP-10
14 Carnegie PDP-10
15 Paoli B6500
2) Hosts which are currently intended to be users only. Included
here are the Terminal IMPs presently in the Network (AMES, MITRE,
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:
Westheimer PAGE 1 
RFC 235 Site Status September 1971
Network Site Computer
Address
7 Rand IBM-360
73 Harvard PDP-1
12 Illinois PDP-11
The tables on the next two pages condense the information on Host
status for September 13 through September 24.
________________
* 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.
WE/jm
Westheimer PAGE 2
RFC 235 Site Status September 1971
NETWORK SITE COMPUTER STATUS OR PREDICTION CONTRACT
ADDRESS
1 UCLA SIGMA-7 Server John Postel
65 UCLA IBM-360 Remote Job Service now,
Time-sharing in January Steve Wolf
2 SRI(NIC) PDP-10 October11 John Melvin
66 SRI(AI) PDP-10 November Len Chaiten
3 UCSB IBM-360 Server Jim White
4 UTAH PDP-10 soon Barry Wessler
5 BBN DDP-516 NCC Alex McKenzie
69 BBN PDP-10 Server Dan Murphy
6 MIT(Multics) H-465 Soon Mike Padlipsky
70 MIT(DM) PDP-10 Server Bob Bressler
7 RAND IBM-360 User only Eric Harslem
71 RAND PDP-10 January Eric Harslem
8 SDC IBM-360 October 11 Bob Long
9 HARVARD PDP-10 Soon Bob Sundberg
73 HARVARD PDP-1 User only Bob Sundberg
10 LINCOLN IBM-360 Soon Joel Winnet
74 LINCOLN TX2 Uncertain Tom Barklow
11 STANFORD PDP-10 November Andy Moorer
12 ILLINOIS PDP-11 User only John Cravits
13 CASE PDP-10 December 15 Charles Rose
14 CARNEGIE PDP-10 January Hal Van Zoeren
15 PAOLI B6500 Uncertain John Cravits
16 AMES DDP-316 Terminal IMP Does not apply
17 MITRE DDP-316 Terminal IMP Does not apply
30 BBN DDP-316 Terminal IMP(Prototype) Does not apply
Westheimer PAGE 3
RFC 235 Site Status September 1971
NETWORK SITE COMPUTER DATE AND TIME (P.M.)
ADDRESS 9/13 9/14 9/15 9/16 9/17
4:30 3:30 6:00 10:30 1:30
1 UCLA SIGMA 7 0 0 0 D D
*65 UCLA PDP-10 0 0 0 0 0
2 SRI(NIC) PDP-10 D D D D D
66 SRI(AI) PDP-10 D D D D D
3 UCSB IBM-360 0 0 0 0 0
4 UTAH PDP-10 D D D D D
69 BBN PDP-10 0 1/2 0 0 T 1/2 0
6 MIT(Multics) DDP-645 R R R D 1/2 0
70 MIT(DM) PDP-10 T T T O 0
8 SDC IBM-360 D D D D T
9 HARVARD PDP-10 T D T T T
10 LINCOLN IBM-360 D 1/2 0 1/2 0 D T
NETWORK SITE COMPUTER DATE AND TIME (P.M.)
ADDRESS 9/20 9/21 9/22 9/23 9/24
12:30 4:30 3:30 2:00 5:00
1 UCLA SIGMA 7 D 0 D T 0
*65 UCLA PDP-10 D 0 0 0 0
2 SRI(NIC) PDP-10 D D 0 D D
66 SRI(AI) PDP-10 D D D D D
3 UCSB IBM-360 0 0 0 0 0
4 UTAH PDP-10 D D D D D
69 BBN PDP-10 0 1/2 0 0 1/2 0 0
6 MIT(Multics) DDP-645 D 1/2 0 T T R
70 MIT(DM) PDP-10 T 1/2 0 0 D TD
8 SDC IBM-360 D D D D D
9 HARVARD PDP-10 T D T D D
10 LINCOLN IBM-360 D D D 1/2 0 D
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 responding any way to the
initial RFC, although not dead.)
1/2 0 = 1/2 Open. (Destination Host opened a connection but then
either immediately closed it, or did not respond any further.)
Westheimer PAGE 4
RFC 235 Site Status September 1971
0 = Open. (Destination Host opened a connection and was accessible
to users.
* The UCLA IBM-360 is at the moment only able to handle Remote Job
Service. BBN is not equipped to test this, but is assuming that
receipt of their canned message indicates that RJS is also
functioning.
[This RFC was put into machine readable form for entry]
[into the online RFC archives by Kelly Tardif, Viagénie 10/99]
Westheimer PAGE 5
Site status
RFC TOTAL SIZE: 7994 bytes
PUBLICATION DATE: Friday, June 2nd, 2000
LEGAL RIGHTS: The IETF Trust (see BCP 78)
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