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- Network Working Group Ellen Westheimer
- RFC #267 BBN
- NIC #7815 22 November 1971
- Categories: F, G.3
- Updates: RFC #266
- Obsoletes None
-
- This RFC reports on the status of most Network Hosts from November
- 8 to November 19. On November 18, however, the BBN prototype Terminal
- IMP (Network Address 158) was inaccessible due to hardware debugging.
-
- Several Hosts are currently excluded fron 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 two weeks. Included here
- are:
-
- Network
- Address Site Computer
-
- 71 Rand PDP-10
- 74 Lincoln TX2
- 13 Case PDP-10
- 14 Carnegie PDP-10
- 15 Ames B6500
- 16 Ames IBM-360/67
-
- 2) Hosts which are curently intended to be users only.
- Included here are the Terminal IMPs, which are
- 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:
-
- Network
- Address Site Computer
-
- 7 Rand IBM-360/65
- 73 Harvard PDP-1
- 12 Illinois PDP-11
-
- During these two weeks the Lincoln Labs TX2 Hosts became a Network
- User. The SDC IBM 360/67 is now a server.
-
-
-
-
-
- [Page 1]
-
- The tables on the next two pages summarize the information on 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.
-
- NETWORK STATUS or STATUS or
- ADDRESS SITE COMPUTER PREDUCTION PREDUCTION
- OBTAINED FROM
-
- 1 UCLA SIGMA-7 Server Jon Postel
- 5 UCLA IBM-360/91 Remote Job Service
- now, Telnet in
- April Bob Braden
- 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 "Soon" Barry Wessler
- *5 BBN
- (NCC) DDP-516 Never Alex McKenzie
- 69 BBN
- (TENEX) PDP-10 Server Dan Murphy
- 6 MIT
- (Multics) H-645 Server Mike Padlipsky
- 70 MIT
- (DM) PDP-10 Server Bob Bressler
- *7 RAND IBM-360/65 User only Eric Harslem
- *71 RAND PDP-10 January '72 Eric Harslem
- 8 SDC IBM-360/67 Server Bob Long
- 9 HARVARD PDP-10 Server Bob Sundberg
- *73 HARVARD PDP-1 User only Bob Sundberg
- 20 LINCOLN IBM-360/67 "Soon" Joel Winnet
- *74 LINCOLN TX2 December Tom Barkalow
- 11 STANFORD PDP-10 "Soon" Andy Moorer
- *12 ILLINOIS PDP-11 User only John Cravits
- *13 CASE PDP-10 March '72 Charles Rose
- *14 CARNEGIE PDP-10 January '72 Hal vanZoeren
- *15 AMES B6500 September '72 John McConnel
- *16 AMES IBM-360/67 January '72 Wayne Hathaway
- *144 AMES TIP User only
- *145 MITRE TIP User only
- *158 BBN TIP User only
- (Proto-type)
-
- * host not included in daily testing.
-
-
-
- [Page 2]
-
- NETWORK
- ADDRESS SITE COMPUTER DAY, DATE and TIME (Eastern)
-
- M Tu W Th F
- 11/8 11/9 11/10 11/11 11/12
-
- 1 UCLA SIGMA-7 O D O O O
- *65 UCLA IBM-360/91 O D O D O
- 2 SRI (NIC) PDP-10 O O O O T
- 66 SRI (AI) PDP-10 D D D D D
- 3 UCSB IBM-360/75 O T O O D
- 4 UTAH PDP-10 D D H D D
- 69 BBN (TENEX) PDP-10 H O O O O
- 6 MIT (Mulics) H-645 D D D O O
- 70 MIT (DM) PDP-10 O H T D O
- 8 SDC IBM-360/67 #D #D #D #D #D
- 9 HARVARD PDP-10 D D D D T
- 10 LINCOLN IBM-360/67 H H H H D
- 11 STANFORD PDP-10 D T D D D
-
-
- M Tu W F
- 11/15 11/16 11/17 11/19
-
- 1 UCLA SIGMA-7 O O O O
- *65 UCLA IBM-360/91 O O D O
- 2 SRI (NIC) PDP-10 T T O O
- 66 SRI (AI) PDP-10 D D D D
- 3 UCSB IBM-360/75 O O O O
- 4 UTAH PDP-10 D D D D
- 69 BBN (TENEX) PDP-10 O D O O
- 6 MIT (Mulics) H-645 T D O H
- 70 MIT (DM) PDP-10 O O O D
- 8 SDC IBM-360/67 #D #D #D #D
- 9 HARVARD PDP-10 T D D T
- 10 LINCOLN IBM-360/67 D H D D
- 11 STANFORD PDP-10 D D D D
-
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- [Page 3]
-
- 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 further.)
-
- O = Open (Destination Host opened a connection and was accessible to
- users.)
-
-
- * The UCLA IBM-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 Simone Demmel 1/98 ]
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- [Page 4]
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