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- Network Working Group Ellen Westheimer
- NIC #10421 BBN
- RFC #342 15 May 1972
- Categories: F. G.3
- Updates: RFC #332
- Obsoletes: None
-
- NETWORK HOST STATUS
-
- This RFC reports on the status of most Network Hosts from April
- 24 to May 5. During this interval the IBM 360/44 at the University
- of Southern California (Network Address 23) became a Network user.
-
- 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
-
- 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]
-
- SITE
- NO. SITE DATE AND TIME (EASTERN)
- ---- ---- -----------------------
- 4/24 4/25 4/26 4/27 4/28 5/1 5/2 5/3 5/4 5/5
- 1700 1600 1300 1430 1700 1300 1300 1700 1430 1430
- 1 UCLA-NMC O O D O O O O O O O
- 65 UCLA-CCN* O O D O O D O O O O
- 2 SRI-ARC O O O O O O T D O O
- 66 SRI-AI D D D D D O D D D D
- 3 UCSB-MOD75 O H O O O O O O O O
- 4 UTAH -10 O D O D T T O T T O
- 69 BBN-TENEX O O T T O O O O O O
- 133 BBN-TENEXB #D #D #D #D #D #D #D #D #D T
- 6 MIT-MULTICS R D O O O O D O D O
- 70 MIT-DMCG O O F F O F O O O F
- 71 RAND-CSG O O O T O #O! D O O O
- 8 SDC-ADEPT D #D #D #D D #D D #D D #D
- 9 HARVARD-10 O O O O O O O O #D D
- 10 L.L.-360 D D D H H D D H D D
- 74 L.L-TX-2 O T #D O O O O #D O O
- 11 STANFORD-AI D D D D D D D T D D
- 14 CMU-10 O O D O D D D D O O
- 15 AMES-ILLIAC T D T T D T T T D T
- 16 AMES-67 D 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 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.
- !Rand opened a connection but requested users to logout immediately.
-
-
-
- [Page 2]
-
- "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(TENEXA) PDP-10 Server Dan Murphy
- 133 BBN(TENEXB) 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 User Now Jeff Rubin
- *7 RAND IBM-370/65 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 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 3]
-
- [ This RFC was put into machine readable form for entry ]
- [ into the online RFC archives by BBN Corp. under the ]
- [ direction of Alex McKenzie. 12/96 ]
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- [Page 4]
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