RFC252 Network host status
0252 Network host status. E. Westheimer. October 1971. (Format: TXT=5531 bytes) (Obsoletes RFC0240) (Obsoleted by RFC0255) (Status: UNKNOWN)
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Network Working Group E. Wentheimer Request for Comments: 252 Bolt, Beranek and Newman Category: F, G.3 8 October 1971 NIC: 7696 The purpose of this RFC is to report on the recent status of most Network Hosts. During September 27 through September 29 the BBN prototype Terminal IMP (Network Address 158) was inaccessible due to hardware debugging. The Network was, therefore, not examined on these days. Three Hosts which were not officially able to act as Server's at the time of RFC #240 are now able to do so. These Hosts are: NETWORK SITE COMPUTER ADDRESS 2 SRI (NIC) PDF-10 6 MIT (Multics) H-645 9 HARVARD PDP-10 The Harvard PDP-10, however, has limited core space. They will, therefore, run the Telnet program only occasionally. The following two tables summarize the information on the Host status for September 30 - October 8. NETWORK SITE COMPUTER DAY, DATE AND TIME (Eastern) ADDRESS TH F M Tu W Th F 9/30 10/1 10/4 10/5 10/6 10/7 10/8 1100 1753 1200 1600 1100 1300 1530 1 UCLA SIGMA-7 O T D O #D O O *65 UCLA IBM-360/91 O O D O D O O 2 SRI(NIC) PDP-10 O #D T #T O T #D 66 SRI(AI) PDP-10 D D D D D D D 3 UCSB IBM-360/75 D O O O O O O 4 UTAH PDP-10 D D D D D D D 69 BBN(TENEX) PDP-10 T T O O O D D 6 MIT(Multics)H-645 O O D T D T T 70 MIT(DM) PDP-10 D H D T D T T 8 SDC IBM-360 D D D D D D D 9 HARVARD PDP-10 T D T D D T T 10 LINCOLN IBM-360 H H H H D T D Wnetheimer [Page 1] RFC 252 October 1971 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 any further.) 0 = Opened (Destination Host opened a connection and was accessible to user.) * The UCLA IMB-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. Wnetheimer [Page 2] RFC 252 October 1971 NETWORK SITE COMPUTER STATUS or "STATUS or PREDICTIONS" ADDRESS PREDICTION OBTAINED FROM 1 UCLA SIGMA-7 Server Jon Postel 65 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 November 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 Padliosky 70 MIT(DM) PDP-10 Server Bob Bressler 7 RAND IBM 360/65 User only Eric Harslem 71 RAND PDP-10 January Eric Harslem 8 SDC IBM-360/67 "Soon" Bob Long 9 HARVARD PDP-10 Server Bob Sundberg 73 HARVARD PDP-1 User only Bob Sundberg 10 LINCOLN IBM-360 "Soon" Joel Winnet 74 LINCOLN TX2 Uncertain Tom Barkalow 11 STANFORD PDP-10 November Andy Moorer 12 ILLINOIS PDP-11 User only John Cravits 13 CASE PDP-10 December 15 Charles Rose 14 CARNEGIE PDP-10 January Hal VanZoeren 15 PAOLI B6500 Uncertain John Cravits 16 AMES TIP User only 17 MITRE TIP User only 18 BBN(TIP) Prototype TIP User only [This RFC was put into machine readable form for entry] [into the online RFC archives by Kelly Tardif, Via Genie 10/1999] Wnetheimer [Page 3]
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