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Network Working Group Ellen WestheimerNIC #9925 BBNRFC #332 25 April 1972Categories: F, G.3Updates: RFC #330Obsoletes: NoneNETWORK HOST STATUS This RFC reports on the status of most Network Hosts from April10 to April 21.During this interval the IBM 360/44 at the Universityof Southern California (Network Address 23) was connected to theNetwork; also, a Terminal IMP was installed in Omaha, Nebraska atGlobal Weather Central (Network Address 152) on April 18. 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 asservers (available for use from other sites) on a regular basis for atleast two weeks. Included here are: Network Address Site Computer ------- ---- -------- 134 MIT-AI PDP-10 13 Case PDP-102) Hosts which are currently intended to be users only. Included hereare the Terminal IMPs, which are presently in the Network (AMES,MITRE, NBS, ETAC, USC, GWC, and BBN*). This category also includesthe Network Control Center computer (Network Address 5) which is usedsolely for gathering statistics from the Network. Finally, includedamong 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 forthis period.________________*The BBN Terminal IMP (Network Address 158) is a prototype and as suchis frequently not connected to the Network, but being used to refineand 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 April) 2 SRI(NIC) PDP-10 Server John Melvin 66 SRI(AI) PDP-10 Server Len Chaiten 3 UCSB IBM-360/75 Server Jim White 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-360/65 User Only Eric Harslem 71 RAND PDP-10 Server Eric Harslem *8 SDC IBM-360/155 Server Bob Long 9 HARVARD PDP-10 Server Bob Sundberg *73 HARVARD PDP-1 Server 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 USC IBM-360/44 "Soon"*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 arrangementwith each user. [Page 2]
SITE NO. SITE DATE AND TIME (EASTERN)---- ---- ----------------------- 4/10 4/11 4/12 4/13 4/14 4/17 4/18 4/19 4/20 4/21 1400 1700 1630 1400 1630 1330 1400 1630 1700 1300 1 UCLA-NMC O O T O O D O O T O 65 UCLA-CCN O O O O O D O O D D 2 SRI-ARC H D D D D O D O O D 66 SRI-AI O D D D O O O D O D 3 UCSB-MOD75 O O O O O O O O O O 4 UTAH-10 O O T D O O D D O O 69 BBN-TENEX O O O D O O D T O O133 BBN-TENEXB #D #D #D #D #D #D #D #D #D #D 6 MIT-MULTICS D O O O O O R O O D 70 MIT-DMCG F O O F O T F O O F 71 RAND-CSG O D O T O O O H D O 8 SDC-ADEPT #D D H #D #D #D #D #D D #D 9 HARVARD-10 O O O O O D O O D T 10 L.L.-360 H H H H T D D H D D 74 L.L.-TX-2 O O #D O O O O O O O 11 STANFORD-AI D D D D D D D D D D 14 CMU-10 D H O D D D O D O O 15 AMES-ILLIAC O T T T T D T T T T 16 AMES-67 D D D D D D D D D DwhereD = 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 aNetwork Job Service (NETRJS), however, the BBN Terminal IMP is notequipped to test NETRJS. We are assuming that initial connection tothe NETRJS logger indicates that NETRJS is also functioning.#These sites advertise that they may not have their system availableat these times. [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 ] [Page 4]
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