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Network Working Group Ellen WestheimerNIC # 9633 BBNRFC # 326 3 April 1972Categories: F, G.3Updates: RFC #319Obsoletes: NoneNETWORK HOST STATUS This RFC reports on the status of most Network Hosts fromMarch 13 to March 24. During this period the SRI-AI computerbecame a server. 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, and BBN*). This category also includes the NetworkControl Center computer (Network Address 5) which is used solely forgathering statistics from the Network. Finally, included among theseHosts are the following: Network Address Site Computer ------- ---- -------- 7 Rand IBM-360/65 73 Harvard PDP-1 12 Illinois PDP-11 19 NBS PDP-11 The tables on the next two pages summarize the Host status forthis period.________________*The BBN Terminal IMP (Network Address 158) is a prototype andas such is frequently not connected to the Network, but beingused 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 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(TENEX-A) PDP-10 Server Dan Murphy *133 BBN(TENEX-B) PDP-10 Server (Exper.) Dan Murphy *158 BBN TIP User Only (Prototype) 6 MIT(Multics) H-645 Server Mike Padlipsky 70 MIT(DM) PDP-10 Sever 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 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/(PAOLI) ILLIAC "Soon" 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_________________*Host not included in daily testing#The NMC is a research site and would like to have prior arrangement with each user. [Page 2]
SITE NO. SITE DATE AND TIME (EASTERN)---- ---- ----------------------- 3/13 3/14 3/15 3/16 3/17 3/20 3/21 3/22 3/23 3/24 1530 1400 1530 1430 1730 1400 1300 1700 1700 1300 1 UCLA-NMC O O O O D O O O O O 65 UCLA-CNN O O O O O O O O O D 2 SRI-ARC #D D O O O D D D D T 66 SRI-AI D D D D O D D D D D 3 UCSB-MOD75 O O O O O O O O O D 4 UTAH-10 O D O O O O O O O O 69 BBN-TENEX O O O O D D D O O O133 BBN-TENEXB #D #D #D #D #D #D #D #D #D #D 6 MIT-Multics D T D D D H D O O O 70 MIT-DMCG H O O O T O H O O H 71 RAND-CSG H H O O O O O O D T 8 SDC-ADEPT #D #D #D #D H #D #D #D D #D 9 HARVARD-10 O O O O O O D O O O 10 L.L.-360 H H H H H H H H D H 74 L.L.- TX-2 O O #D O O O O O O O 11 STANFORD-AI D D H D D D D D D D 14 CMU-10 D D D H H D H D O H 15 AMES-Illiac D D D D D D D D D D 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.)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. [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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