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diff --git a/doc/rfc/rfc240.txt b/doc/rfc/rfc240.txt new file mode 100644 index 0000000..e8149ac --- /dev/null +++ b/doc/rfc/rfc240.txt @@ -0,0 +1,227 @@ + + + + + + +Networking Group A. McKenzie +Request for Comments: 240 BBN +NIC #7665 30 September 1971 +Categories: F, G.3 Rand 50ctu +Updates: none +Obsoletes: RFC 235 + + + SITE STATUS + + Due to extensive typographic errors in RFC #235, I have +decided to reissue the first of our experimental site status reports. + + In compiling RFC #235, I followed the principle that +timeliness was somewhat more important than extremely careful editing; +this seemed to me to be in keeping with the original RFC philosophy. I +am sorry for any embarrassment this may have caused to anyone associated +with the Network, and accept full responsibility for the content of RFC +#235. I will try to do a better job in the future. + + +Alex McKenzie + + + SITE STATUS + + + Beginning with this RFC, BBN will report on the status of +most Network Hosts approximately once every two weeks. The information +for these reports will be gained from talking to people at each site, +and from experimental "data". These data will be the results of daily +attempts to log into each of the Hosts which might be accessible to a +Network user; the attempts will have been made from the BBN prototype +Terminal IMP at a random time each weekday. + + Several Hosts are currently excluded from the daily testing. +These Hosts fall into two categories: + + 1) Hosts which are note expected to be functioning on the + Network as servers (available for use from other sites) for at + least a month. Included here are: + + Network Site Computer + Address + + 71 Rand PDP-10 + 74 Lincoln TX2 + 11 Stanford PDP-10 + + + + [Page 1] + +RFC #240 + + + 13 Case PDP-10 + 14 Carnegie PDP-10 + 15 Paoli B6500 + + 2) Hosts which are currently intended to be users only. + Included here are the Terminal IMPs presently in the Network + (AMES, MITRE, and BBN[1]). This category also includes the + Network Control Center computer (Network Address 5) which is + use solely for gathering statistics from the Network. + Finally, included among these Hosts are the following: + + Network Site Computer + Address + + 7 Rand IBM-360/65 + 73 Harvard PDP-1 + 12 Illinois PDP-11 + + The tables on the next two pages condense the information on +Host status for September 13 through September 24. + + PREDICTIONS +NETWORK SITE COMPUTER STATUS or PREDICTION OBTAINED +ADDRESS FROM + + 1 UCLA SIGMA - 7 Server Jon Postel +65 UCLA IBM-360/91 Remote Job Service now, + Time-sharing in January Steve Wolf + 2 SRI(NIC) PDP-10 October 11 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 DDP-516 NCC Alex McKenzie +69 BBN PDP-10 Server Dan Murphy + 6 MIT(Multics) H-645 "Soon" Mike Padlipsky +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 October 11 Bob Long + 9 HARVARD PDP-10 "Soon" Bob Sundberg +73 HARVARD PDP-1 User only Bob Sundberg +10 LINCOLN IBM-360/67 "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 + + + + [Page 2] + +RFC #240 + + +16 AMES TIP Installed +17 MITRE TIP Installed +30 BBN TIP Prototype + + +NETWORK SITE COMPUTER DATE AND TIME (P.M.) +ADDRESS 9/13 9/14 9/15 9/16 9/17 9/20 + 4:30 3:30 6:00 10:30 1:30 12:30 + 1 UCLA SIGMA-7 O O O D D D +65[2] UCLA IBM 360/91 O O O O O D + 2 SRI(NIC) PDP-10 D D D D D D +66 SRI(AI) PDP-10 D D D D D D + 3 UCSB IBM-360/75 O O O O O O + 4 UTAH PDP-10 D D D D D D +69 BBN PDP-10 O 1/2 0 O T 1/2 O O + 6 MIT(Multics) H-645 R R R D 1/2 O D +70 MIT(DM) PDP-10 T T T O O T + 8 SDC IBM-360/67 D D D D T D + 9 HARVARD PDP-10 T D T T T T +10 LINCOLN IBM-360/67 D 1/2 0 1/2 0 D T D + + +NETWORK SITE COMPUTER DATE AND TIME (P.M.) +ADDRESS 9/21 9/22 9/23 9/24 + 4:30 3:30 2:00 5:00 + + 1 UCLA SIGMA-7 O D T O +65[2] UCLA IBM 360/91 O O O O + 2 SRI(NIC) PDP-10 D O D D +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 PDP-10 O 1/2 O O O + 6 MIT(Multics) H-645 1/2 O T T R +70 MIT(DM) PDP-10 1/2 O O D D + 8 SDC IBM-360/67 D D D D + 9 HARVARD PDP-10 D T D D +10 LINCOLN IBM-360/67 D D 1/2 0 D + + + + + + + + + + + + + + [Page 3] + +RFC #240 + + +where + D = Dead. (Destination Host either dead orinaccessible (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.) + 1/2 0 = 1/2 Open. (Destination Host opened a connection but then + either immediately close it, or did not respond any + further.) + O = Open. (Destination Host opened a connection and was + accessible to users.) + +Endnotes + + [1] 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. + + [2] The UCLA IBM-360 is at the moment only able to handle Remote Job + Service. BBN is not equipped to test this, but is assuming that + receipt of their canned message indicates that RJS is also + functioning. + + + + [ This RFC was put into machine readable form for entry ] + [ into the online RFC archives by Roy Zimmer 9/97 ] + + + + + + + + + + + + + + + + + + + + + + + + [Page 4] + |