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Network Host Status.
E. Westheimer. July 1972.

 
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Network Working Group Ellen Westheimer NIC #11017 BBN RFC #370 31 July 1972 Categories: F, G.3 Updates: RFC #367 Obsoletes: None NETWORK HOST STATUS This RFC reports on the status of most Network Hosts from July 17 to July 28. On Tuesday, July 18, the new IMP software was released. Several Hosts are currently excluded from the daily testing as they are presently intended to be users only. Included here are the Terminal IMPs, which are presently in the Network (AMES, MITRE, RADC, NBS, ETAC, USC, GWC, NOAA, SAAC, ARPA, 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-1 138 Lincoln TSP 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 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 198 MIT (ML) 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 *138 LINCOLN TSP User Only Tom Barkelow 11 STANFORD PDP-10 Server Andy Moorer *12 ILLINOIS PDP-11 User Only John Cravits 13 CASE PDP-10 July Charles Rose 14 CARNEGIE PDP-10 Server Hal VanZoeren 15 AMES ILLIAC Server John McConnell (PDP-10) 16 AMES IBM-360/67 "Soon" Wayne Hathaway [Page 2]
*144 AMES TIP User Only *145 MITRE TIP User Only *146 RADC 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 *153 NOAA TIP User Only *154 SAAC TIP User Only *156 ARPA 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]
NO. SITE DATE AND TIME (EASTERN) --- ---- 7/17 7/18 7/19 7/20 7/21 7/24 7/25 7/26 7/27 7/28 1600 1300 1600 1400 1530 1730 1500 1230 1630 1300 1 UCLA-NMC O H H O D O O O O O 65 UCLA-CCN* O O O O O O O O O O 2 SRI-ARC O O O O D O O T O O 66 SRI-AI D D D D D O O D D D 3 UCSB-MOD75 O O O O O O O O D D 4 UTAH-10 O O O O O T D T D D 69 BBN-TENEX O O D D O O O O O T 133 BBN-TENEXB #D #D #D #D #D #D #D #D #D #D 6 MIT-MULTICS O O O D O O H R O O 70 MIT-DMCG O T H F O T O O O O 134 MIT-AI O O O O O O O O O O 194 MIT-ML O O O O O O D O O O 71 RAND-CSG O D O D D 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 O O 10 L.L.-350 H H R D D D D T D H 74 L.L.-TX-2 O O O D D #D D #D #D O 11 STANFORD-AI H D D D H H D H H H 13 CASE D D D D D D D D D D 14 CMU-10 O O O D O T D D D D 15 AMES-ILLIAC D T O D D O O O D O 16 AMES-67 D D D H 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.) _______________ [Page 4]
*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. under the ] [ direction of Alex McKenzie. 1/97 ] [Page 5]

   

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