Network Working Group Ellen Westheimer਀一䤀䌀 ⌀ ㄀㄀㄀㄀㠀                                         䈀䈀一 RFC # 376 8 August 1972਀䌀愀琀攀最漀爀椀攀猀㨀  䘀Ⰰ 䜀⸀㌀ Updates: RFC #370਀伀戀猀漀氀攀琀攀猀㨀  一漀渀攀 ਀                          一䔀吀圀伀刀䬀 䠀伀匀吀 匀吀䄀吀唀匀 ਀     吀栀椀猀 刀䘀䌀 爀攀瀀漀爀琀猀 漀渀 琀栀攀 猀琀愀琀甀猀 漀昀 洀漀猀琀 一攀琀眀漀爀欀 䠀漀猀琀猀 昀爀漀洀 July 31 to August 4.਀ Several Hosts are currently excluded from the daily testing਀愀猀 琀栀攀礀 愀爀攀 瀀爀攀猀攀渀琀氀礀 椀渀琀攀渀搀攀搀 琀漀 戀攀 甀猀攀爀猀 漀渀氀礀⸀  䤀渀挀氀甀搀攀搀 栀攀爀攀 are the Terminal IMPs, which are presently in the Network (AMES,਀䴀䤀吀刀䔀Ⰰ 刀䄀䐀䌀Ⰰ 一䈀匀Ⰰ 䔀吀䄀䌀Ⰰ 唀匀䌀Ⰰ 䜀圀䌀Ⰰ 一伀䄀䄀Ⰰ 匀䄀䄀䌀Ⰰ 䄀刀倀䄀Ⰰ 愀渀搀 䈀䈀一⨀⤀⸀ This category also includes the Network Control Center computer਀⠀一攀琀眀漀爀欀 愀搀搀爀攀猀猀 㔀⤀ 眀栀椀挀栀 椀猀 甀猀攀搀 猀漀氀攀氀礀 昀漀爀 最愀琀栀攀爀椀渀最 猀琀愀琀椀猀琀椀挀猀 from the Network. Finally, included among these Hosts are the਀昀漀氀氀漀眀椀渀最㨀 ਀     一攀琀眀漀爀欀 Address Site Computer਀     ⴀⴀⴀⴀⴀⴀⴀ                  ⴀⴀⴀⴀ                 ⴀⴀⴀⴀⴀⴀⴀⴀ 7 Rand IBM-360/65਀        㜀㌀                    䠀愀爀瘀愀爀搀              倀䐀倀ⴀ㄀ 138 Lincoln TSP਀        ㄀㈀                    䤀氀氀椀渀漀椀猀             倀䐀倀ⴀ㄀㄀ 19 NBS PDP-11਀        ㈀㌀                    唀匀䌀                  䤀䈀䴀ⴀ㌀㘀　⼀㐀㐀 ਀     吀栀攀 琀愀戀氀攀猀 漀渀 琀栀攀 渀攀砀琀 琀眀漀 瀀愀最攀猀 猀甀洀洀愀爀椀稀攀 琀栀攀 䠀漀猀琀 猀琀愀琀甀猀 for this period.਀ NOTE: Ellen Westheimer left BBN to return to school on August 4.਀圀攀 琀栀攀爀攀昀漀爀攀 眀椀氀氀 搀椀猀挀漀渀琀椀渀甀攀 琀栀攀 瀀甀戀氀椀挀愀琀椀漀渀 漀昀 琀栀攀猀攀 猀甀洀洀愀爀椀攀猀⸀ It is my understanding that UCLA-NMC is considering the publica-਀琀椀漀渀 漀昀 猀椀洀椀氀愀爀Ⰰ 愀氀琀栀漀甀最栀 洀漀爀攀 搀攀琀愀椀氀攀搀Ⰰ 猀甀爀瘀攀礀 搀愀琀愀 椀渀 琀栀攀 渀攀愀爀 future; I hope that data will serve in lieu of these reports. In਀愀搀搀椀琀椀漀渀Ⰰ 漀昀 挀漀甀爀猀攀Ⰰ 䴀䤀吀ⴀ䐀䴀䌀䜀 栀愀猀 栀愀搀 猀甀爀瘀攀礀 椀渀昀漀爀洀愀琀椀漀渀 愀瘀愀椀氀愀戀氀攀 on line for some time (see RFC #308, NIC 9259.)਀                                                 ⴀ 䄀氀攀砀 䴀挀䬀攀渀稀椀攀 ⴀ _______________਀⨀吀栀攀 䈀䈀一 吀攀爀洀椀渀愀氀 䤀䴀倀 ⠀一攀琀眀漀爀欀 䄀搀搀爀攀猀猀 ㄀㔀㠀⤀ 椀猀 愀 瀀爀漀琀漀琀礀瀀攀 愀渀搀 as such is frequently not connected to the Network, but being਀甀猀攀搀 琀漀 爀攀昀椀渀攀 愀渀搀 搀攀戀甀最 琀栀攀 吀攀爀洀椀渀愀氀 䤀䴀倀 瀀爀漀最爀愀洀猀⸀ ਀ ਀ ਀                                                                嬀倀愀最攀 ㄀崀 ਀ STATUS OR਀                                                             倀刀䔀䐀䤀䌀吀䤀伀一匀 ADDRESS SITE COMPUTER STATUS OR PREDICTION OBTAINED FROM਀ⴀⴀⴀⴀⴀⴀⴀ  ⴀⴀⴀⴀ           ⴀⴀⴀⴀⴀⴀⴀⴀ      ⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀ   ⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀ 1 UCLA SIGMA-7 Sever #Limited Jon Postel਀  㘀㔀     唀䌀䰀䄀           䤀䈀䴀ⴀ㌀㘀　⼀㤀㄀    一䔀吀刀䨀匀 渀漀眀             䈀漀戀 䈀爀愀搀攀渀 (Telnet in June)਀   ㈀     匀刀䤀 ⠀一䤀䌀⤀      倀䐀倀ⴀ㄀　        匀攀爀瘀攀爀                 䨀椀洀 圀栀椀琀攀 66 SRI (AI) PDP-10 Server Len Chaiten਀   ㌀     唀䌀匀䈀           䤀䈀䴀ⴀ㌀㘀　⼀㜀㔀    匀攀爀瘀攀爀                 刀漀渀 匀琀漀甀最栀琀漀渀 4 UTAH PDP-10 Server Barry Wessler਀  ⨀㔀     䈀䈀一 ⠀一䌀䌀⤀      䐀䐀倀ⴀ㔀㄀㘀       一攀瘀攀爀                  䄀氀攀砀 䴀挀䬀攀渀稀椀攀 69 BBN (TENEX-A) PDP-10 Server Dan Murphy਀ ㄀㌀㌀     䈀䈀一 ⠀吀䔀一䔀堀ⴀ䈀⤀  倀䐀倀ⴀ㄀　        匀攀爀瘀攀爀⠀䔀砀瀀攀爀⸀⤀         䐀愀渀 䴀甀爀瀀栀礀 6 MIT (Multics) H-645 Server Mike Padlipsky਀  㜀　     䴀䤀吀 ⠀䐀䴀⤀       倀䐀倀ⴀ㄀　        匀攀爀瘀攀爀                 䈀漀戀 䈀爀攀猀猀氀攀爀 134 MIT (AI) PDP-10 Server Jeff Rubin਀ ㄀㤀㠀     䴀䤀吀 ⠀䴀䰀⤀       倀䐀倀ⴀ㄀　        匀攀爀瘀攀爀                 䨀攀昀昀 刀甀戀椀渀 *7 RAND IBM-360/65 User Only Eric Harslem਀  㜀㄀     刀䄀一䐀           倀䐀倀ⴀ㄀　        匀攀爀瘀攀爀                 䔀爀椀挀 䠀愀爀猀氀攀洀 8 SDC IBM-370/155 Server Bob Long਀   㤀     䠀䄀刀嘀䄀刀䐀        倀䐀倀ⴀ㄀　        匀攀爀瘀攀爀                 䈀漀戀 匀甀渀搀戀攀爀最 *73 HARVARD PDP-1 User Only Bob Sundberg਀  ㄀　     䰀䤀一䌀伀䰀一        䤀䈀䴀ⴀ㌀㘀　⼀㘀㜀    ∀匀漀漀渀∀                 䨀漀攀氀 圀椀渀攀琀琀 74 LINCOLN TX-2 Server Will Kantrowitz਀⨀㄀㌀㠀     䰀䤀一䌀伀䰀一        吀匀倀           唀猀攀爀 伀渀氀礀              吀漀洀 䈀愀爀欀攀氀漀眀 11 STANFORD PDP-10 Server Andy Moorer਀  ㄀㈀     䤀䰀䰀䤀一伀䤀匀       倀䐀倀ⴀ㄀㄀        唀猀攀爀 伀渀氀礀              䨀漀栀渀 䌀爀愀瘀椀琀猀 13 CASE PDP-10 July Charles Rose਀  ㄀㐀     䌀䄀刀一䔀䜀䤀䔀       倀䐀倀ⴀ㄀　        匀攀爀瘀攀爀                 䠀愀氀 嘀愀渀娀漀攀爀攀渀 15 AMES ILLIAC Server John McConnell਀                        ⠀倀䐀倀ⴀ㄀　⤀ 16 AMES IBM-360/67 "Soon" Wayne Hathaway਀⨀㄀㐀㐀     䄀䴀䔀匀           吀䤀倀           唀猀攀爀 伀渀氀礀 *145 MITRE TIP User Only਀⨀㄀㐀㘀     刀䄀䐀䌀           吀䤀倀           唀猀攀爀 伀渀氀礀 *19 NBS PDP-11 User Only Robert Rosenthal਀⨀㄀㐀㜀     一䈀匀            吀䤀倀           唀猀攀爀 伀渀氀礀 *148 ETAC TIP User Only਀ ⨀㈀㌀     唀匀䌀            䤀䈀䴀ⴀ㌀㘀　⼀㐀㐀    唀猀攀爀 一漀眀               䨀愀洀攀猀 倀攀瀀椀渀 ਀ ਀ ਀ ਀ ਀ ਀                                                                嬀倀愀最攀 ㈀崀 ਀ *151 USC TIP User Only਀⨀㄀㔀㈀     䜀圀䌀            吀䤀倀           唀猀攀爀 伀渀氀礀 *153 NOAA TIP User Only਀⨀㄀㔀㐀     匀䄀䄀䌀           吀䤀倀           唀猀攀爀 伀渀氀礀 *156 ARPA TIP User Only਀⨀㄀㔀㠀     䈀䈀一            吀䤀倀           唀猀攀爀 伀渀氀礀 (Prototype)਀开开开开开开开开开开开开开开开 *Host not included in daily testing.਀⌀吀栀攀 一䴀䌀 椀猀 愀 爀攀猀攀愀爀挀栀 猀椀琀攀 愀渀搀 眀漀甀氀搀 氀椀欀攀 to have a prior arrangement with each user.਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀                                                                嬀倀愀最攀 ㌀崀 ਀ NO. SITE DATE AND TIME (EASTERN)਀ⴀⴀⴀ    ⴀⴀⴀⴀ                            ⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀ 7/31 8/1 8/2 8/3 8/4਀                                  ㄀㐀　　    ㄀㠀㌀　    ㄀㌀㌀　    ㄀㔀　　    ㄀㌀㌀　 1 UCLA-NMC H O O O O਀ 㘀㔀    唀䌀䰀䄀ⴀ䌀一一⨀                    伀       伀       伀       伀       伀 2 SRI-ARC O O O O O਀ 㘀㘀    匀刀䤀ⴀ䄀䤀                       䐀       䐀       伀       吀       伀 3 UCSB-MOD75 O O O O O਀  㐀    唀吀䄀䠀ⴀ㄀　                      伀       伀       伀       伀       伀 69 BBN-TENEX O T T O R਀㄀㌀㌀    䈀䈀一ⴀ吀䔀一䔀堀䈀                  ⌀䐀      ⌀吀      ⌀吀      ⌀吀      ⌀䐀 6 MIT-MULTICS O T O O O਀ 㜀　    䴀䤀吀ⴀ䐀䴀䌀䜀                     伀       䠀       伀       伀       伀 134 MIT-AI O H O O O਀㄀㤀㐀    䴀䤀吀ⴀ䴀䰀                       伀       䠀       吀       伀       伀 71 RAND-CSG D O O O O਀  㠀    匀䐀䌀ⴀ䄀䐀䔀倀吀                   ⌀䐀       䐀      ⌀䐀      ⌀䐀      ⌀䐀 9 HARVARD-10 O O O D O਀ ㄀　    䰀⸀䰀⸀ⴀ㌀㘀　                     䠀       吀       䠀       䠀       刀 74 L.L.-TX-2 O O O R O਀ ㄀㄀    匀吀䄀一䘀伀刀䐀ⴀ䄀䤀                  䠀       䠀       䠀       䠀       吀 13 CASE D D D D D਀ ㄀㐀    䌀䴀唀ⴀ㄀　                       伀       伀       伀       䐀       伀 15 AMES-ILLIAC D T D D D਀ ㄀㘀    䄀䴀䔀匀ⴀ㘀㜀                      䐀       䠀       䐀       䐀       䐀 ਀眀栀攀爀攀 ਀䐀 㴀 䐀攀愀搀 ⠀䐀攀猀琀椀渀愀琀椀漀渀 䠀漀猀琀 攀椀琀栀攀爀 搀攀愀搀 漀爀 椀渀愀挀挀攀猀猀椀戀氀攀 嬀搀甀攀 琀漀 network partitioning or local IMP failure] from the BBN Terminal਀    䤀䴀倀⸀⤀ ਀䘀 㴀 䘀甀氀氀 ⠀䐀攀猀琀椀渀愀琀椀漀渀 䠀漀猀琀 漀瀀攀渀攀搀 愀 挀漀渀渀攀挀琀椀漀渀Ⰰ 椀渀昀漀爀洀攀搀 甀猀攀爀 琀栀愀琀 all Network ports were in use, and immediately closed the connection.)਀ H = 1/2 Open (Destination Host opened a connection but then either਀    椀洀洀攀搀椀愀琀攀氀礀 挀氀漀猀攀搀 椀琀Ⰰ 漀爀 搀椀搀 渀漀琀 爀攀猀瀀漀渀搀 愀渀礀 昀甀爀琀栀攀爀⸀⤀ ਀伀 㴀 伀瀀攀渀 ⠀䐀攀猀琀椀渀愀琀椀漀渀 䠀漀猀琀 漀瀀攀渀攀搀 愀 挀漀渀渀攀挀琀椀漀渀 愀渀搀 眀愀猀 愀挀挀攀猀猀椀戀氀攀 琀漀 甀猀攀爀猀⸀⤀ ਀ ਀ ਀ ਀ ਀ ਀                                                                嬀倀愀最攀 㐀崀 ਀ R = Refused (Destination Host returned a CLS to the initial RFC.)਀ T = Timed out (Destination Host did not complete the ICP and open a਀    挀漀渀渀攀挀琀椀漀渀 眀椀琀栀椀渀 㘀　 猀攀挀漀渀搀猀⸀⤀ ਀开开开开开开开开开开开开开开开 *The only service currently offered by the UCLA IBM-360/91 is a Network਀ 䨀漀戀 匀攀爀瘀椀挀攀 ⠀一䔀吀刀䨀匀⤀Ⰰ 栀漀眀攀瘀攀爀Ⰰ 琀栀攀 䈀䈀一 吀攀爀洀椀渀愀氀 䤀䴀倀 椀猀 渀漀琀 攀焀甀椀瀀瀀攀搀 琀漀 test NETRJS. We are assuming that initial connection to the NETRJS਀ 氀漀最最攀爀 椀渀搀椀挀愀琀攀猀 琀栀愀琀 一䔀吀刀䨀匀 椀猀 愀氀猀漀 昀甀渀挀琀椀漀渀椀渀最⸀ ਀⌀吀栀攀猀攀 猀椀琀攀猀 愀搀瘀攀爀琀椀猀攀 琀栀愀琀 琀栀攀礀 洀愀礀 渀漀琀 栀愀瘀攀 琀栀攀椀爀 猀礀猀琀攀洀 愀瘀愀椀氀愀戀氀攀 at these times.਀ ਀ ਀ [ This RFC was put into machine readable form for entry ]਀       嬀 椀渀琀漀 琀栀攀 漀渀氀椀渀攀 刀䘀䌀 愀爀挀栀椀瘀攀猀 戀礀 䈀䈀一 䌀漀爀瀀⸀ 甀渀搀攀爀 琀栀攀   崀 [ direction of Alex McKenzie. 1/97 ]਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀                                                                嬀倀愀最攀 㔀崀 ਀ⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀ ਀一攀琀眀漀爀欀 圀漀爀欀椀渀最 䜀爀漀甀瀀                            䔀氀氀攀渀 圀攀猀琀栀攀椀洀攀爀 NIC #11017 BBN਀刀䘀䌀 ⌀㌀㜀　                                         ㌀㄀ 䨀甀氀礀 ㄀㤀㜀㈀ Categories: F, G.3਀唀瀀搀愀琀攀猀㨀  刀䘀䌀 ⌀㌀㘀㜀 Obsoletes: None਀ NETWORK HOST STATUS਀ This RFC reports on the status of most Network Hosts from July 17਀琀漀 䨀甀氀礀 ㈀㠀⸀ ਀     伀渀 吀甀攀猀搀愀礀Ⰰ 䨀甀氀礀 ㄀㠀Ⰰ 琀栀攀 渀攀眀 䤀䴀倀 猀漀昀琀眀愀爀攀 眀愀猀 爀攀氀攀愀猀攀搀⸀ ਀     匀攀瘀攀爀愀氀 䠀漀猀琀猀 愀爀攀 挀甀爀爀攀渀琀氀礀 攀砀挀氀甀搀攀搀 昀爀漀洀 琀栀攀 搀愀椀氀礀 琀攀猀琀椀渀最 愀猀 they are presently intended to be users only. Included here are the਀吀攀爀洀椀渀愀氀 䤀䴀倀猀Ⰰ 眀栀椀挀栀 愀爀攀 瀀爀攀猀攀渀琀氀礀 椀渀 琀栀攀 一攀琀眀漀爀欀 ⠀䄀䴀䔀匀Ⰰ 䴀䤀吀刀䔀Ⰰ 刀䄀䐀䌀Ⰰ NBS, ETAC, USC, GWC, NOAA, SAAC, ARPA, and BBN*). This category also਀椀渀挀氀甀搀攀猀 琀栀攀 一攀琀眀漀爀欀 䌀漀渀琀爀漀氀 䌀攀渀琀攀爀 挀漀洀瀀甀琀攀爀 ⠀一攀琀眀漀爀欀 愀搀搀爀攀猀猀 㔀⤀ 眀栀椀挀栀 is used solely for gathering statistics from the Network. Finally,਀椀渀挀氀甀搀攀搀 愀洀漀渀最 琀栀攀猀攀 䠀漀猀琀猀 愀爀攀 琀栀攀 昀漀氀氀漀眀椀渀最㨀 ਀       一攀琀眀漀爀欀 Address Site Computer਀       ⴀⴀⴀⴀⴀⴀⴀ               ⴀⴀⴀⴀ               ⴀⴀⴀⴀⴀⴀⴀⴀ ਀           㜀                 刀愀渀搀               䤀䈀䴀ⴀ㌀㘀　⼀㘀㔀 73 Harvard PDP-1਀         ㄀㌀㠀                 䰀椀渀挀漀氀渀            吀匀倀 12 Illinois PDP-11਀          ㄀㤀                 一䈀匀                倀䐀倀ⴀ㄀㄀ 23 USC IBM-360/44਀ The tables on the next two pages summarize the Host status਀昀漀爀 琀栀椀猀 瀀攀爀椀漀搀⸀ ਀ ਀ ਀ ਀ ਀开开开开开开开开开开开开开开 *The BBN Terminal IMP (Network Address 158) is a prototype and਀愀猀 猀甀挀栀 椀猀 昀爀攀焀甀攀渀琀氀礀 渀漀琀 挀漀渀渀攀挀琀攀搀 琀漀 琀栀攀 一攀琀眀漀爀欀Ⰰ 戀甀琀 戀攀椀渀最 used to refine and debug the Terminal IMP programs.਀ ਀ [Page 1]਀ ਀匀吀䄀吀唀匀 伀刀 SITE PREDICTIONS਀䄀䐀䐀刀䔀匀匀  匀䤀吀䔀           䌀伀䴀倀唀吀䔀刀      匀吀䄀吀唀匀 伀刀 倀刀䔀䐀䤀䌀吀䤀伀一   伀䈀吀䄀䤀一䔀䐀 䘀刀伀䴀 ------- ---- -------- -------------------- -------------਀   ㄀     唀䌀䰀䄀           匀䤀䜀䴀䄀ⴀ㜀       匀䔀刀嘀䔀刀 ⌀䰀椀洀椀琀攀搀        䨀漀渀 倀漀猀琀攀氀 65 UCLA IBM-360/91 NETRJS now Bob Braden਀                                        ⠀吀攀氀渀攀琀 椀渀 䨀甀渀攀⤀ 2 SRI (NIC) PDP-10 Server Jim White਀  㘀㘀     匀刀䤀ⴀ䄀䤀                       匀攀爀瘀攀爀                 䰀攀渀 䌀栀愀椀琀攀渀 3 UCSB IBM-360/75 Server Ron Stoughton਀   㐀     唀吀䄀䠀           倀䐀倀ⴀ㄀　        匀攀爀瘀攀爀                 䈀愀爀爀礀 圀攀猀猀氀攀爀 *5 BBN (NCC) DDP-516 Never Alex McKenzie਀  㘀㤀     䈀䈀一 ⠀吀䔀一䔀堀ⴀ䄀⤀  倀䐀倀ⴀ㄀　        匀攀爀瘀攀爀                 䐀愀渀 䴀甀爀瀀栀礀 133 BBN (TENEX-B) PDP-10 Server (Exper.) Dan Murphy਀   㘀     䴀䤀吀 ⠀䴀甀氀琀椀挀猀⤀  䠀ⴀ㘀㐀㔀         匀攀爀瘀攀爀                 䴀椀欀攀 倀愀搀氀椀瀀猀欀礀 70 MIT (DM) PDP-10 Server Bob Bressler਀ ㄀㌀㐀     䴀䤀吀 ⠀䄀䤀⤀       倀䐀倀ⴀ㄀　        匀攀爀瘀攀爀                 䨀攀昀昀 刀甀戀椀渀 198 MIT (ML) PDP-10 Server Jeff Rubin਀  ⨀㜀     刀䄀一䐀           䤀䈀䴀ⴀ㌀㘀　⼀㘀㔀    唀猀攀爀 伀渀氀礀              䔀爀椀挀 䠀愀爀猀氀攀洀 71 RAND PDP-10 Server Eric Harslem਀   㠀     匀䐀䌀            䤀䈀䴀ⴀ㌀㜀　⼀㄀㔀㔀   匀攀爀瘀攀爀                 䈀漀戀 䰀漀渀最 9 HARVARD PDP-10 Server Bob Sundberg਀ ⨀㜀㌀     䠀䄀刀嘀䄀刀䐀        倀䐀倀ⴀ㄀         唀猀攀爀 伀渀氀礀              䈀漀戀 匀甀渀搀戀攀爀最 10 LINCOLN IBM-360/67 "Soon" Joel Winett਀  㜀㐀     䰀䤀一䌀伀䰀一        吀堀ⴀ㈀          匀攀爀瘀攀爀                 圀椀氀氀 䬀愀渀琀爀漀眀椀琀稀 *138 LINCOLN TSP User Only Tom Barkelow਀  ㄀㄀     匀吀䄀一䘀伀刀䐀       倀䐀倀ⴀ㄀　        匀攀爀瘀攀爀                 䄀渀搀礀 䴀漀漀爀攀爀 *12 ILLINOIS PDP-11 User Only John Cravits਀  ㄀㌀     䌀䄀匀䔀           倀䐀倀ⴀ㄀　        䨀甀氀礀                   䌀栀愀爀氀攀猀 刀漀猀攀 14 CARNEGIE PDP-10 Server Hal VanZoeren਀  ㄀㔀     䄀䴀䔀匀           䤀䰀䰀䤀䄀䌀        匀攀爀瘀攀爀                 䨀漀栀渀 䴀挀䌀漀渀渀攀氀氀 (PDP-10)਀  ㄀㘀     䄀䴀䔀匀           䤀䈀䴀ⴀ㌀㘀　⼀㘀㜀    ∀匀漀漀渀∀                 圀愀礀渀攀 䠀愀琀栀愀眀愀礀 ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ [Page 2]਀ ਀⨀㄀㐀㐀     䄀䴀䔀匀           吀䤀倀           唀猀攀爀 伀渀氀礀 *145 MITRE TIP User Only਀⨀㄀㐀㘀     刀䄀䐀䌀           吀䤀倀           唀猀攀爀 伀渀氀礀 *19 NBS PDP-11 User Only Robert Rosenthal਀⨀㄀㐀㜀     一䈀匀            吀䤀倀           唀猀攀爀 伀渀氀礀 *148 ETAC TIP User Only਀ ⨀㈀㌀     唀匀䌀            䤀䈀䴀ⴀ㌀㘀　⼀㐀㐀    唀猀攀爀 一漀眀               䨀愀洀攀猀 倀攀瀀椀渀 *151 USC TIP User Only਀⨀㄀㔀㈀     䜀圀䌀            吀䤀倀           唀猀攀爀 伀渀氀礀 *153 NOAA TIP User Only਀⨀㄀㔀㐀     匀䄀䄀䌀           吀䤀倀           唀猀攀爀 伀渀氀礀 *156 ARPA TIP User Only਀⨀㄀㔀㠀     䈀䈀一            吀䤀倀           唀猀攀爀 伀渀氀礀 (Prototype)਀开开开开开开开开开开开开开开开 *Host not included in daily testing.਀⌀吀栀攀 一䴀䌀 椀猀 愀 爀攀猀攀愀爀挀栀 猀椀琀攀 愀渀搀 眀漀甀氀搀 氀椀欀攀 琀漀 栀愀瘀攀 瀀爀椀漀爀 愀爀爀愀渀最攀洀攀渀琀 with each user.਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ [Page 3]਀ ਀一伀⸀  匀䤀吀䔀       䐀䄀吀䔀 䄀一䐀 吀䤀䴀䔀 ⠀䔀䄀匀吀䔀刀一⤀ --- ----਀                  㜀⼀㄀㜀  㜀⼀㄀㠀  㜀⼀㄀㤀  㜀⼀㈀　  㜀⼀㈀㄀  㜀⼀㈀㐀  㜀⼀㈀㔀  㜀⼀㈀㘀  㜀⼀㈀㜀  㜀⼀㈀㠀 1600 1300 1600 1400 1530 1730 1500 1230 1630 1300਀  ㄀  唀䌀䰀䄀ⴀ一䴀䌀       伀     䠀     䠀     伀     䐀     伀     伀     伀     伀     伀 65 UCLA-CCN* O O O O O O O O O O਀  ㈀  匀刀䤀ⴀ䄀刀䌀        伀     伀     伀     伀     䐀     伀     伀     吀     伀     伀 66 SRI-AI D D D D D O O D D D਀  ㌀  唀䌀匀䈀ⴀ䴀伀䐀㜀㔀     伀     伀     伀     伀     伀     伀     伀     伀     䐀     䐀 4 UTAH-10 O O O O O T D T D D਀ 㘀㤀  䈀䈀一ⴀ吀䔀一䔀堀      伀     伀     䐀     䐀     伀     伀     伀     伀     伀     吀 133 BBN-TENEXB #D #D #D #D #D #D #D #D #D #D਀  㘀  䴀䤀吀ⴀ䴀唀䰀吀䤀䌀匀    伀     伀     伀     䐀     伀     伀     䠀     刀     伀     伀 70 MIT-DMCG O T H F O T O O O O਀㄀㌀㐀  䴀䤀吀ⴀ䄀䤀         伀     伀     伀     伀     伀     伀     伀     伀     伀     伀 194 MIT-ML O O O O O O D O O O਀ 㜀㄀  刀䄀一䐀ⴀ䌀匀䜀       伀     䐀     伀     䐀     䐀     伀     䐀     伀     伀     伀 8 SDC-ADEPT #D #D #D #D #D D #D #D #D #D਀  㤀  䠀䄀刀嘀䄀刀䐀ⴀ㄀　     伀     伀     伀     伀     伀     伀     伀     伀     伀     伀 10 L.L.-350 H H R D D D D T D H਀ 㜀㐀  䰀⸀䰀⸀ⴀ吀堀ⴀ㈀      伀     伀     伀     䐀     䐀    ⌀䐀     䐀    ⌀䐀    ⌀䐀     伀 11 STANFORD-AI H D D D H H D H H H਀ ㄀㌀  䌀䄀匀䔀           䐀     䐀     䐀     䐀     䐀     䐀     䐀     䐀     䐀     䐀 14 CMU-10 O O O D O T D D D D਀ ㄀㔀  䄀䴀䔀匀ⴀ䤀䰀䰀䤀䄀䌀    䐀     吀     伀     䐀     䐀     伀     伀     伀     䐀     伀 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਀    瀀愀爀琀椀琀椀漀渀椀渀最 漀爀 氀漀挀愀氀 䤀䴀倀 昀愀椀氀甀爀攀崀 昀爀漀洀 琀栀攀 䈀䈀一 吀攀爀洀椀渀愀氀 䤀䴀倀⸀⤀ ਀䘀 㴀 䘀甀氀氀 ⠀䐀攀猀琀椀渀愀琀椀漀渀 䠀漀猀琀 漀瀀攀渀攀搀 愀 挀漀渀渀攀挀琀椀漀渀Ⰰ 椀渀昀漀爀洀攀搀 甀猀攀爀 琀栀愀琀 愀氀氀 Network ports were in use, and immediately closed the connection.)਀ H = 1/2 Open (Destination Host opened a connection but then either਀    椀洀洀攀搀椀愀琀攀氀礀 挀氀漀猀攀搀 椀琀Ⰰ 漀爀 搀椀搀 渀漀琀 爀攀猀瀀漀渀搀 愀渀礀 昀甀爀琀栀攀爀⸀⤀ ਀伀 㴀 伀瀀攀渀 ⠀䐀攀猀琀椀渀愀琀椀漀渀 䠀漀猀琀 漀瀀攀渀攀搀 愀 挀漀渀渀攀挀琀椀漀渀 愀渀搀 眀愀猀 愀挀挀攀猀猀椀戀氀攀 琀漀 甀猀攀爀猀⸀⤀ ਀刀 㴀 刀攀昀甀猀攀搀 ⠀䐀攀猀琀椀渀愀琀椀漀渀 䠀漀猀琀 爀攀琀甀爀渀攀搀 愀 䌀䰀匀 琀漀 琀栀攀 椀渀椀琀椀愀氀 刀䘀䌀⸀⤀ ਀吀 㴀 吀椀洀攀搀 漀甀琀 ⠀䐀攀猀琀椀渀愀琀椀漀渀 䠀漀猀琀 搀椀搀 渀漀琀 挀漀洀瀀氀攀琀攀 琀栀攀 䤀䌀倀 愀渀搀 漀瀀攀渀 愀 connection within 60 seconds.)਀开开开开开开开开开开开开开开开 ਀ ਀ ਀ [Page 4]਀ ਀⨀吀栀攀 漀渀氀礀 猀攀爀瘀椀挀攀 挀甀爀爀攀渀琀氀礀 漀昀昀攀爀攀搀 戀礀 琀栀攀 唀䌀䰀䄀 䤀䈀䴀ⴀ㌀㘀　⼀㤀㄀ 椀猀 愀 一攀琀眀漀爀欀 Job Service (NETRJS), however, the BBN Terminal IMP is not equipped to਀ 琀攀猀琀 一䔀吀刀䨀匀⸀ 圀攀 愀爀攀 愀猀猀甀洀椀渀最 琀栀愀琀 椀渀椀琀椀愀氀 挀漀渀渀攀挀琀椀漀渀 琀漀 琀栀攀 一䔀吀刀䨀匀 logger indicates that NETRJS is also functioning.਀⌀吀栀攀猀攀 猀椀琀攀猀 愀搀瘀攀爀琀椀猀攀 琀栀愀琀 琀栀攀礀 洀愀礀 渀漀琀 栀愀瘀攀 琀栀攀椀爀 猀礀猀琀攀洀 愀瘀愀椀氀愀戀氀攀 愀琀 these times.਀ [ This RFC was put into machine readable form for entry ]਀       嬀 椀渀琀漀 琀栀攀 漀渀氀椀渀攀 刀䘀䌀 愀爀挀栀椀瘀攀猀 戀礀 䈀䈀一 䌀漀爀瀀⸀ 甀渀搀攀爀 琀栀攀   崀 [ direction of Alex McKenzie. 1/97 ]਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ [Page 5]਀ ------------------------------------------------------------------------਀ Network Working Group Ellen Westheimer਀刀攀焀甀攀猀琀 昀漀爀 䌀漀洀洀攀渀琀猀㨀 ㌀㘀㜀                                            䈀䈀一 NIC #11014 19 July 1972਀䌀愀琀攀最漀爀礀㨀 䘀Ⰰ 䜀⸀㌀ Updates: 366਀伀戀猀漀氀攀琀攀猀㨀 一漀渀攀 ਀ NETWORK HOST STATUS਀ This RFC reports on the status of most Network Hosts from July 3 to਀   䨀甀氀礀 ㄀㐀⸀ ਀   一漀 琀攀猀琀椀渀最 眀愀猀 搀漀渀攀 漀渀 䨀甀氀礀 㐀 愀猀 䈀䈀一 琀漀漀欀 愀 栀漀氀椀搀愀礀 琀漀 挀攀氀攀戀爀愀琀攀 Independence Day. No testing was done on July 11 and 12 as I was on਀   瘀愀挀愀琀椀漀渀⸀ ਀   匀攀瘀攀爀愀氀 䠀漀猀琀猀 愀爀攀 挀甀爀爀攀渀琀氀礀 攀砀挀氀甀搀攀搀 昀爀漀洀 琀栀攀 搀愀椀氀礀 琀攀猀琀椀渀最 愀猀 琀栀攀礀 are presently intended to be users only. Included here are the਀   吀攀爀洀椀渀愀氀 䤀䴀倀猀Ⰰ 眀栀椀挀栀 愀爀攀 瀀爀攀猀攀渀琀氀礀 椀渀 琀栀攀 一攀琀眀漀爀欀 ⠀䄀䴀䔀匀Ⰰ 䴀䤀吀刀䔀Ⰰ 刀䄀䐀䌀Ⰰ NBS, ETAC, USC, GWC, NOAA, SAAC, ARPA, and BBN*). This category also਀   椀渀挀氀甀搀攀猀 琀栀攀 一攀琀眀漀爀欀 䌀漀渀琀爀漀氀 䌀攀渀琀攀爀 挀漀洀瀀甀琀攀爀 ⠀一攀琀眀漀爀欀 愀搀搀爀攀猀猀 㔀⤀ which is used solely for gathering statistics from the Network.਀   䘀椀渀愀氀氀礀Ⰰ 椀渀挀氀甀搀攀搀 愀洀漀渀最 琀栀攀猀攀 䠀漀猀琀猀 愀爀攀 琀栀攀 昀漀氀氀漀眀椀渀最㨀 ਀   一攀琀眀漀爀欀 Address Site Computer਀   ⴀⴀⴀⴀⴀⴀⴀ           ⴀⴀⴀⴀ            ⴀⴀⴀⴀⴀⴀⴀⴀ 7 Rand IBM-360/65਀   㜀㌀                䠀愀爀瘀愀爀搀         倀䐀倀ⴀ㄀ 138 Lincoln TSP਀   ㄀㈀                䤀氀氀椀渀漀椀猀        倀䐀倀ⴀ㄀㄀ 19 NBS PDP-11਀   ㈀㌀                唀匀䌀             䤀䈀䴀ⴀ㌀㘀　⼀㐀㐀 ਀   吀栀攀 琀愀戀氀攀猀 漀渀 琀栀攀 渀攀砀琀 琀眀漀 瀀愀最攀猀 猀甀洀洀愀爀椀稀攀 琀栀攀 䠀漀猀琀 猀琀愀琀甀猀 昀漀爀 琀栀椀猀 period.਀ ਀ ਀ ਀   ⴀⴀⴀⴀⴀⴀⴀⴀⴀ *The BBN Terminal IMP (Network Address 158) is a prototype and as such਀   椀猀 昀爀攀焀甀攀渀琀氀礀 渀漀琀 挀漀渀渀攀挀琀攀搀 琀漀 琀栀攀 一攀琀眀漀爀欀Ⰰ 戀甀琀 戀攀椀渀最 甀猀攀搀 琀漀 爀攀昀椀渀攀 and debug the Terminal IMP programs.਀ ਀ ਀圀攀猀琀栀攀椀洀攀爀                                                      嬀倀愀最攀 ㄀崀 ਀ RFC 367 NETWORK HOST STATUS July 1972਀ ਀   一伀⸀   匀䤀吀䔀            䐀䄀吀䔀 䄀一䐀 吀䤀䴀䔀 ⠀䔀䄀匀吀䔀刀一⤀ 7/3 7/5 7/6 7/7 7/12 7/13 7/14਀                         ㄀㜀㌀　  ㄀㈀　　  ㄀㜀　　  ㄀㘀㌀　  ㄀㘀　　   ㄀㜀　　   ㄀㐀　　 1 UCLA-NMC O H H O O O O਀   㘀㔀    唀䌀䰀䄀ⴀ䌀䌀一⨀        䐀     ⌀䐀     伀     伀     伀      伀      伀 2 SRI-ARC O D D O O O O਀   㘀㘀    匀刀䤀ⴀ䄀䤀           䐀     ⌀䐀     伀     伀     伀      䐀      伀 3 UCSB-MOD75 D O O O O O D਀   㐀     唀吀䄀䠀ⴀ㄀　          䐀      伀     伀     伀     伀      伀      䐀 69 BBN-TENEX H O O O O O F਀   ㄀㌀㌀   䈀䈀一ⴀ吀䔀一䔀堀䈀      ⌀䐀     ⌀䐀    ⌀䐀    ⌀䐀    ⌀䐀     ⌀䐀     ⌀䐀 6 MIT-MULTICS O O O O O O O਀   㜀　    䴀䤀吀ⴀ䐀䴀䌀䜀         伀      伀     伀     伀     伀      䘀      䠀 134 MIT-AI O O O O O O O਀   ㄀㤀㐀   䴀䤀吀ⴀ䴀䰀           䠀      伀     伀     伀     伀      伀      伀 71 RAND-CSG D O O O O O O਀   㠀     匀䐀䌀ⴀ䄀䐀䔀倀吀        䐀     ⌀䐀     䐀     䐀    ⌀䐀      䐀     ⌀䐀 9 HARVARD-10 O #D #D O O #D O਀   ㄀　    䰀⸀䰀⸀ⴀ㌀㘀　         䐀      䠀     䠀     䠀     䠀      䐀      䠀 74 L.L.-TX-2 #D O O O O O D਀   ㄀㄀    匀吀䄀一䘀伀刀䐀ⴀ䄀䤀      伀      伀     刀     伀     伀      伀      伀 13 CASE D D D D D D D਀   ㄀㐀    䌀䴀唀ⴀ㄀　           伀      䐀     伀     䐀     䐀      伀      䐀 15 AMES-ILLIAC D D D D O O D਀   ㄀㘀    䄀䴀䔀匀ⴀ㘀㜀          䐀      䐀     䐀     䐀     䐀      䐀      䐀 ਀   眀栀攀爀攀 D = Dead (Destination Host either dead or inaccessible [due to network਀     瀀愀爀琀椀琀椀漀渀椀渀最 漀爀 氀漀挀愀氀 䤀䴀倀 昀愀椀氀甀爀攀崀 昀爀漀洀 琀栀攀 䈀䈀一 吀攀爀洀椀渀愀氀 䤀䴀倀⸀⤀ F = Full (Destination Host opened a connection, informed user that all਀     一攀琀眀漀爀欀 瀀漀爀琀猀 眀攀爀攀 椀渀 甀猀攀Ⰰ 愀渀搀 椀洀洀攀搀椀愀琀攀氀礀 挀氀漀猀攀搀 琀栀攀 挀漀渀渀攀挀琀椀漀渀⸀⤀ H = 1/2 Open (Destination Host opened a connection but then either਀     椀洀洀攀搀椀愀琀攀氀礀 挀氀漀猀攀搀 椀琀Ⰰ 漀爀 搀椀搀 渀漀琀 爀攀猀瀀漀渀搀 愀渀礀 昀甀爀琀栀攀爀⸀⤀ O = Open (Destination Host opened a connection and was accessible to਀     甀猀攀爀猀⸀⤀ R = Refused (Destination Host returned a CLS to the initial RFC.)਀ 吀 㴀 吀椀洀攀搀 漀甀琀 ⠀䐀攀猀琀椀渀愀琀椀漀渀 䠀漀猀琀 搀椀搀 渀漀琀 挀漀洀瀀氀攀琀攀 琀栀攀 䤀䌀倀 愀渀搀 漀瀀攀渀 愀 connection within 60 seconds.)਀ ---------਀⨀吀栀攀 漀渀氀礀 猀攀爀瘀椀挀攀 挀甀爀爀攀渀琀氀礀 漀昀昀攀爀攀搀 戀礀 琀栀攀 唀䌀䰀䄀 䤀䈀䴀ⴀ㌀㘀　⼀㤀㄀ 椀猀 愀 一攀琀眀漀爀欀 Job Service (NETRJS), however, the BBN Terminal IMP is not equipped to਀琀攀猀琀 一䔀吀刀䨀匀⸀  圀攀 愀爀攀 愀猀猀甀洀椀渀最 琀栀愀琀 椀渀椀琀椀愀氀 挀漀渀渀攀挀琀椀漀渀 琀漀 琀栀攀 一䔀吀刀䨀匀 logger indicates that NETRJS is also functioning.਀ #These sites advertise that they may not have their system available at਀琀栀攀猀攀 琀椀洀攀猀⸀ ਀ ਀ Westheimer [Page 2]਀ ਀刀䘀䌀 ㌀㘀㜀                   一䔀吀圀伀刀䬀 䠀伀匀吀 匀吀䄀吀唀匀                  䨀甀氀礀 ㄀㤀㜀㈀ ਀ STATUS OR਀匀䤀吀䔀                                匀吀䄀吀唀匀            倀刀䔀䐀䤀䌀吀䤀伀一匀 ADDRESS SITE COMPUTER OR PREDICTIONS OBTAINED FROM਀ⴀⴀⴀⴀⴀⴀⴀ  ⴀⴀⴀⴀ          ⴀⴀⴀⴀⴀⴀⴀⴀ     ⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀ  ⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀ UCLA SIGMA-7 Server #Limited Jon Postel਀         唀䌀䰀䄀          䤀䈀䴀ⴀ㌀㘀　⼀㤀㄀   一䔀吀刀䨀匀 渀漀眀        䈀漀戀 䈀爀愀搀攀渀 (Telnet in June)਀   ㈀     匀刀䤀 ⠀一䤀䌀⤀     倀䐀倀ⴀ㄀　       匀攀爀瘀攀爀            䨀椀洀 圀栀椀琀攀 66 SRI (AI) PDP-10 Server Len Chaiten਀   ㌀     唀䌀匀䈀          䤀䈀䴀ⴀ㌀㘀　⼀㜀㔀   匀攀爀瘀攀爀            刀漀渀 匀琀漀甀最栀琀漀渀 4 UTAH PDP-10 Server Barry Wessler਀  ⨀㔀     䈀䈀一 ⠀一䌀䌀⤀     䐀䐀倀ⴀ㔀㄀㘀      一攀瘀攀爀             䄀氀攀砀 䴀挀䬀攀渀稀椀攀 69 BBN (TENEX-A PDP-10 Server Dan Murphy਀ ㄀㌀㌀     䈀䈀一 ⠀吀䔀一䔀堀ⴀ䈀  倀䐀倀ⴀ㄀　       匀攀爀瘀攀爀 ⠀䔀砀瀀攀爀⸀⤀   䐀愀渀 䴀甀爀瀀栀礀 6 MIT (Multics H-645 Server Mike Padlipsky਀  㜀　     䴀䤀吀 ⠀䐀䴀⤀      倀䐀倀ⴀ㄀　       匀攀爀瘀攀爀            䈀漀戀 䈀爀攀猀猀氀攀爀 134 MIT (AI) PDP-10 Server Jeff Rubin਀ ㄀㤀㠀     䴀䤀吀 ⠀䴀䰀⤀      倀䐀倀ⴀ㄀　       匀攀爀瘀攀爀            䨀攀昀昀 刀甀戀椀渀 *7 RAND IBM-360/65 User Only Eric Harslem਀  㜀㄀     刀䄀一䐀          倀䐀倀ⴀ㄀　       匀攀爀瘀攀爀            䔀爀椀挀 䠀愀爀猀氀攀洀 8 SDC IBM-370/15 Server Bob Long਀   㤀     䠀䄀刀嘀䄀刀䐀       倀䐀倀ⴀ㄀　       匀攀爀瘀攀爀            䈀漀戀 匀甀渀搀戀攀爀最 *73 HARVARD PDP-1 User Only Bob Sundberg਀  ㄀　     䰀䤀一䌀伀䰀一       䤀䈀䴀ⴀ㌀㘀　⼀㘀㜀   ∀匀漀漀渀∀            䨀漀攀氀 圀椀渀攀琀琀 74 LINCOLN TX-2 Server Will Kantrowitz਀⨀㄀㌀㠀     䰀䤀一䌀伀䰀一       吀匀倀          唀猀攀爀 伀渀氀礀         吀漀洀 䈀愀爀欀攀氀漀眀 11 STANFORD PDP-10 Server Andy Moorer਀ ⨀㄀㈀     䤀䰀䰀䤀一伀䤀匀      倀䐀倀ⴀ㄀㄀       唀猀攀爀 伀渀氀礀         䨀漀栀渀 䌀爀愀瘀椀琀猀 *13 CASE PDP-10 July Charles Rose਀  ㄀㐀     䌀䄀刀一䔀䜀䤀䔀      倀䐀倀ⴀ㄀　       匀攀爀瘀攀爀            䠀愀氀 嘀愀渀娀漀攀爀攀渀 15 AMES ILLIAC Server John McConnell਀                       ⠀倀䐀倀ⴀ㄀　⤀ 16 AMES IBM-360/67 "Soon" Wayne Hathaway਀⨀㄀㐀㐀     䄀䴀䔀匀          吀䤀倀          唀猀攀爀 伀渀氀礀 *145 MITRE TIP User Only਀⨀㄀㐀㘀     刀䄀䐀䌀          吀䤀倀          唀猀攀爀 伀渀氀礀 *19 NBS PDP-11 User Only Robert Rosenthal਀⨀㄀㐀㜀     一䈀匀           吀䤀倀          唀猀攀爀 伀渀氀礀 *148 ETAC TIP User Only਀ ⨀㈀㌀     唀匀䌀           䤀䈀䴀ⴀ㌀㘀　⼀㐀㐀   唀猀攀爀 一漀眀          䨀愀洀攀猀 倀攀瀀椀渀 *151 USC TIP User Only਀⨀㄀㔀㈀     䜀圀䌀           吀䤀倀          唀猀攀爀 伀渀氀礀 *153 NOAA TIP User Only਀⨀㄀㔀㐀     匀䄀䄀䌀          吀䤀倀          唀猀攀爀 伀渀氀礀 *156 ARPA TIP User Only਀⨀㄀㔀㠀     䈀䈀一           吀䤀倀          唀猀攀爀 伀渀氀礀 (Prototype)਀ ਀ ਀圀攀猀琀栀攀椀洀攀爀                                                      嬀倀愀最攀 ㌀崀 ਀ RFC 367 NETWORK HOST STATUS July 1972਀ ਀⨀䠀漀猀琀 渀漀琀 椀渀挀氀甀搀攀搀 椀渀 搀愀椀氀礀 琀攀猀琀椀渀最⸀ ਀⌀吀栀攀 一䴀䌀 椀猀 愀 爀攀猀攀愀爀挀栀 猀椀琀攀 愀渀搀 眀漀甀氀搀 氀椀欀攀 琀漀 栀愀瘀攀 瀀爀椀漀爀 愀爀爀愀渀最攀洀攀渀琀 with each user.਀ ਀ ਀        嬀吀栀椀猀 刀䘀䌀 眀愀猀 瀀甀琀 椀渀琀漀 洀愀挀栀椀渀攀 爀攀愀搀愀戀氀攀 昀漀爀洀 昀漀爀 攀渀琀爀礀崀 [into the online RFC archives by Hélène Morin, Viagénie, 12/99]਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ Westheimer [Page 4]਀ ------------------------------------------------------------------------਀ Network Working Group Ellen Westheimer਀一䤀䌀 ⌀ ㄀㄀　㄀㌀                                      䈀䈀一 RFC # 366 11 July 1972਀䌀愀琀攀最漀爀椀攀猀㨀  䘀⸀ 䜀⸀㌀ Updates: RFC #362਀伀戀猀漀氀攀琀攀猀㨀  一漀渀攀 ਀                          一䔀吀圀伀刀䬀 䠀伀匀吀 匀吀䄀吀唀匀 ਀     吀栀椀猀 刀䘀䌀 爀攀瀀漀爀琀猀 漀渀 琀栀攀 猀琀愀琀甀猀 漀昀 洀漀猀琀 一攀琀眀漀爀欀 䠀漀猀琀猀 昀爀漀洀 䨀甀渀攀 ㄀㤀 to June 30.਀ No testing was done on June 20 due to an attempt to install the਀渀攀眀 䤀䴀倀 猀礀猀琀攀洀⸀ ਀     匀攀瘀攀爀愀氀 䠀漀猀琀猀 愀爀攀 挀甀爀爀攀渀琀氀礀 攀砀挀氀甀搀攀搀 昀爀漀洀 琀栀攀 搀愀椀氀礀 琀攀猀琀椀渀最 愀猀 they are presently intended to be users only. Included here are the਀吀攀爀洀椀渀愀氀 䤀䴀倀猀Ⰰ 眀栀椀挀栀 愀爀攀 瀀爀攀猀攀渀琀氀礀 椀渀 琀栀攀 一攀琀眀漀爀欀 ⠀䄀䴀䔀匀Ⰰ 䴀䤀吀刀䔀Ⰰ 刀䄀䐀䌀Ⰰ NBS, ETAC, USC, GWC, NOAA, SAAC, ARPA, and BBN*). This category also਀椀渀挀氀甀搀攀猀 琀栀攀 一攀琀眀漀爀欀 䌀漀渀琀爀漀氀 䌀攀渀琀攀爀 挀漀洀瀀甀琀攀爀 ⠀一攀琀眀漀爀欀 愀搀搀爀攀猀猀 㔀⤀ 眀栀椀挀栀 is used solely for gathering statistics from the Network. Finally,਀椀渀挀氀甀搀攀搀 愀洀漀渀最 琀栀攀猀攀 䠀漀猀琀猀 愀爀攀 琀栀攀 昀漀氀氀漀眀椀渀最㨀 Network਀          䄀搀搀爀攀猀猀            匀椀琀攀                 䌀漀洀瀀甀琀攀爀 ------- ---- --------਀ 7 Rand IBM - 360/65਀             㜀㌀             䠀愀爀瘀愀爀搀               倀䐀倀ⴀ㄀ 138 Lincoln TSP਀             ㄀㈀             䤀氀氀椀渀漀椀猀              倀䐀倀ⴀ㄀㄀ 19 NBS PDP-11਀             ㈀㌀             唀匀䌀                   䤀䈀䴀ⴀ㌀㘀　⼀㐀㐀 ਀     吀栀攀 琀愀戀氀攀猀 漀渀 琀栀攀 渀攀砀琀 琀眀漀 瀀愀最攀猀 猀甀洀洀愀爀椀稀攀 琀栀攀 䠀漀猀琀 猀琀愀琀甀猀 for this period.਀ _______________਀⨀吀栀攀 䈀䈀一 吀攀爀洀椀渀愀氀 䤀䴀倀 ⠀一攀琀眀漀爀欀 䄀搀搀爀攀猀猀 ㄀㔀㠀⤀ 椀猀 愀 瀀爀漀琀漀琀礀瀀攀 愀渀搀 愀猀 such is frequently not connected to the Network, but being used਀琀漀 爀攀昀椀渀攀 愀渀搀 搀攀戀甀最 琀栀攀 吀攀爀洀椀渀愀氀 䤀䴀倀 瀀爀漀最爀愀洀猀⸀ ਀ ਀ ਀ ਀ ਀ ਀                                                                嬀倀愀最攀 ㄀崀 ਀ NO. SITE DATE AND TIME (EASTERN)਀ⴀⴀⴀ    ⴀⴀⴀⴀ                        ⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀ 6/19 6/21 6/22 6/23 6/26 6/27 6/28 6/29 6/30਀                    ㄀㜀　　  ㄀㠀㌀　  ㄀㔀㌀　  ㄀㌀　　  ㄀㘀　　  ㄀㐀　　  ㄀㐀　　  ㄀㘀　　  ㄀㔀㌀　 1 UCLA-NMC O O O O O D H O O਀ 㘀㔀    唀䌀䰀䄀ⴀ䌀䌀一⨀      伀     伀     伀     吀     伀     伀     伀     伀     伀 2 SRI-ARC O O O O D O O D D਀ 㘀㘀    匀刀䤀ⴀ䄀䤀         䐀     䐀     䐀     䐀     䐀     䐀    ⌀䐀     䐀     伀 3 UCSB-MOD75 O O O O O O O O O਀  㐀    唀吀䄀䠀ⴀ㄀　        伀     伀     伀     䐀     伀     伀     䐀     䠀     䐀 69 BBN-TENEX O O O T O O O F O਀㄀㌀㌀    䈀䈀一ⴀ吀䔀一䔀堀䈀    ⌀䐀    ⌀䐀    ⌀䐀    ⌀䐀    ⌀䐀    ⌀䐀    ⌀䐀    ⌀䐀    ⌀䐀 6 MIT-MULTICS O D O O O O O O D਀ 㜀　    䴀䤀吀ⴀ䐀䴀䌀䜀       伀     䘀     伀     伀     伀     䘀     䠀     伀     伀 134 MIT-AI H H H O O O O O O਀㄀㤀㐀    䴀䤀吀ⴀ䴀䰀         䠀     䠀     䠀     伀     䠀     䠀     䐀     䠀     䠀 71 RAND-CSG O O O H O D O O O਀  㠀    匀䐀䌀ⴀ䄀䐀䔀倀吀      䐀     䐀    ⌀䐀    ⌀䐀     䐀    ⌀䐀    ⌀䐀     䐀    ⌀䐀 9 HARVARD-10 #D #D O O O O O O O਀ ㄀　    䰀⸀䰀⸀ⴀ㌀㘀　       䠀     吀     䠀     䠀     䠀     吀     䠀     䠀     䠀 74 L.L.-TX-2 T O R D O O #D O O਀ ㄀㄀    匀吀䄀一䘀伀刀䐀ⴀ䄀䤀    伀     伀     伀     伀     伀     伀     伀     吀     伀 13 CASE D D D D D D D D D਀ ㄀㐀    䌀䴀唀ⴀ㄀　         伀     伀     伀     伀     伀     伀     䐀     䐀     伀 15 AMES-ILLIAC O O O O O D O O T਀ ㄀㘀    䄀䴀䔀匀ⴀ㘀㜀        䐀     䐀     䐀     䐀     䐀     䐀     䐀     䐀     䐀 ਀䐀 㴀 䐀攀愀搀 ⠀䐀攀猀琀椀渀愀琀椀漀渀 䠀漀猀琀 攀椀琀栀攀爀 搀攀愀搀 漀爀 椀渀愀挀挀攀猀猀椀戀氀攀 嬀搀甀攀 琀漀 渀攀琀眀漀爀欀 partitioning or local IMP failure] from the BBN Terminal IMP.)਀ F = Full (Destination Host opened a connection, informed user that all਀    一攀琀眀漀爀欀 瀀漀爀琀猀 眀攀爀攀 椀渀 甀猀攀Ⰰ 愀渀搀 椀洀洀攀搀椀愀琀攀氀礀 挀氀漀猀攀搀 琀栀攀 挀漀渀渀攀挀琀椀漀渀⸀⤀ ਀䠀 㴀 ㄀⼀㈀ 伀瀀攀渀 ⠀䐀攀猀琀椀渀愀琀椀漀渀 䠀漀猀琀 漀瀀攀渀攀搀 愀 挀漀渀渀攀挀琀椀漀渀 戀甀琀 琀栀攀渀 攀椀琀栀攀爀 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਀    挀漀渀渀攀挀琀椀漀渀 眀椀琀栀椀渀 㘀　 猀攀挀漀渀搀猀⸀⤀ _______________਀⨀吀栀攀 漀渀氀礀 猀攀爀瘀椀挀攀 挀甀爀爀攀渀琀氀礀 漀昀昀攀爀攀搀 戀礀 琀栀攀 唀䌀䰀䄀 䤀䈀䴀ⴀ㌀㘀　⼀㤀㄀ 椀猀 愀 一攀琀眀漀爀欀 Job Service (NETRJS), however, the BBN Terminal IMP is not equipped to਀ 琀攀猀琀 一䔀吀刀䨀匀⸀ 圀攀 愀爀攀 愀猀猀甀洀椀渀最 琀栀愀琀 椀渀椀琀椀愀氀 挀漀渀渀攀挀琀椀漀渀 琀漀 琀栀攀 一䔀吀刀䨀匀 logger indicates that NETRJS is also functioning.਀⌀吀栀攀猀攀 猀椀琀攀猀 愀搀瘀攀爀琀椀猀攀 琀栀愀琀 琀栀攀礀 洀愀礀 渀漀琀 栀愀瘀攀 琀栀攀椀爀 猀礀猀琀攀洀 愀瘀愀椀氀愀戀氀攀 at these times.਀ ਀                                                                 嬀倀愀最攀 ㈀崀 ਀ STATUS OR਀ 匀䤀吀䔀                                                         倀刀䔀䐀䤀䌀吀䤀伀一匀 ADDRESS SITE COMPUTER STATUS OR PREDICTION OBTAINED FROM਀ⴀⴀⴀⴀⴀⴀⴀ  ⴀⴀⴀⴀ           ⴀⴀⴀⴀⴀⴀⴀⴀ      ⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀ   ⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀ 1 UCLA SIGMA-7 Server #Limited Jon Postel਀  㘀㔀     唀䌀䰀䄀           䤀䈀䴀ⴀ㌀㘀　⼀㤀㄀    一䔀吀刀䨀匀 渀漀眀             䈀漀戀 䈀爀愀搀攀渀 (Telnet in June)਀   ㈀     匀刀䤀 ⠀一䤀䌀⤀      倀䐀倀㄀　         匀攀爀瘀攀爀                 䨀椀洀 圀栀椀琀攀 66 SRI (AI) PDP-10 Server Len Chaiten਀   ㌀     唀䌀匀䈀           䤀䈀䴀ⴀ㌀㘀　⼀㜀㔀    匀攀爀瘀攀爀                 刀漀渀 匀琀漀甀最栀琀漀渀 4 UTAH PDP-10 Server Barry Wessler਀  ⨀㔀     䈀䈀一 ⠀一䌀䌀⤀      䐀䐀倀ⴀ㔀㄀㘀       匀攀爀瘀攀爀                 䄀氀攀砀 䴀挀䬀攀渀稀椀攀 69 BBN (TENEX-A) PDP-10 Server Dan Murphy਀ ㄀㌀㌀     䈀䈀一 ⠀吀䔀一䔀堀ⴀ䈀⤀  倀䐀倀ⴀ㄀　        匀攀爀瘀攀爀 ⠀䔀砀瀀攀爀⸀⤀        䐀愀渀 䴀甀爀瀀栀礀 6 MIT (Multics) H-645 Server Mike Padlipsky਀  㜀　     䴀䤀吀 ⠀䐀䴀⤀       倀䐀倀ⴀ㄀　        匀攀爀瘀攀爀                 䈀漀戀 䈀爀攀猀猀氀攀爀 134 MIT (AI) PDP-10 Server Jeff Rubin਀ ㄀㤀㠀     䴀䤀吀 ⠀䴀䰀⤀       倀䐀倀ⴀ㄀　        匀攀爀瘀攀爀                 䨀攀昀昀 刀甀戀椀渀 *7 RAND IBM-360/65 User Only Eric Harslem਀  㜀㄀     刀䄀一䐀           倀䐀倀ⴀ㄀　        匀攀爀瘀攀爀                 䔀爀椀挀 䠀愀爀猀氀攀洀 8 SDC IBM-370/155 Server Bob Long਀   㤀     䠀䄀刀嘀䄀刀䐀        倀䐀倀ⴀ㄀　        匀攀爀瘀攀爀                 䈀漀戀 匀甀渀搀戀攀爀最 *73 HARVARD PDP-1 User Only Bob Sundberg਀  ㄀　     䰀䤀一䌀伀䰀一        䤀䈀䴀ⴀ㌀㘀　⼀㘀㜀    ∀匀漀漀渀∀                 䨀漀攀氀 圀椀渀攀琀琀 74 LINCOLN TX-2 Server Will Kantrowitz਀⨀㄀㌀㠀     䰀䤀一䌀伀䰀一        吀匀倀           唀猀攀爀 伀渀氀礀              吀漀洀 䈀愀爀欀攀氀漀眀 11 STANFORD PDP-10 Server Andy Moorer਀ ⨀㄀㈀     䤀䰀䰀䤀一伀䤀匀       倀䐀倀ⴀ㄀㄀        唀猀攀爀 伀渀氀礀              䨀漀栀渀 䌀爀愀瘀椀琀猀 13 CASE PDP-10 July Charles Rose਀  ㄀㐀     䌀䄀刀一䔀䜀䤀䔀       倀䐀倀ⴀ㄀　        匀攀爀瘀攀爀                 䠀愀氀 嘀愀渀娀漀攀爀攀渀 15 AMES ILLIAC Server John McConnell਀                        ⠀倀䐀倀ⴀ㄀　⤀ 16 AMES IBM-360/67 "Soon" Wayne Hathaway਀⨀㄀㐀㐀     䄀䴀䔀匀           吀䤀倀           唀猀攀爀 伀渀氀礀 *145 MITRE TIP User Only਀⨀㄀㐀㘀     刀䄀䐀䌀           吀䤀倀           唀猀攀爀 伀渀氀礀 *19 NBS PDP-11 User Only Robert Rosenthal਀⨀㄀㐀㜀     一䈀匀            吀䤀倀           唀猀攀爀 伀渀氀礀 *148 ETAC TIP User Only਀ ⨀㈀㌀     唀匀䌀            䤀䈀䴀ⴀ㌀㘀　⼀㐀㐀    唀猀攀爀 一漀眀               䨀愀洀攀猀 倀攀瀀椀渀 *151 USC TIP User Only਀⨀㄀㔀㈀     䜀圀䌀            吀䤀倀           唀猀攀爀 伀渀氀礀 *153 NOAA TIP User Only਀⨀㄀㔀㐀     匀䄀䄀䌀           吀䤀倀           唀猀攀爀 伀渀氀礀 *156 ARPA TIP User Only਀⨀㄀㔀㠀     䈀䈀一            吀䤀倀           唀猀攀爀 伀渀氀礀 (Prototype)਀开开开开开开开开开开开开开开开 ਀ ਀                                                                嬀倀愀最攀 ㌀崀 ਀ *Host not included in daily testing.਀⌀吀栀攀 一䴀䌀 椀猀 愀 爀攀猀攀愀爀挀栀 猀椀琀攀 愀渀搀 眀漀甀氀搀 氀椀欀攀 to have prior arrangement with each user.਀ [ This RFC was put into machine readable form for entry ]਀       嬀 椀渀琀漀 琀栀攀 漀渀氀椀渀攀 刀䘀䌀 愀爀挀栀椀瘀攀猀 戀礀 䈀䈀一 䌀漀爀瀀⸀ 甀渀搀攀爀 琀栀攀   崀 [ direction of Alex McKenzie. 1/97 ]਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ 9਀ ਀                                                                嬀倀愀最攀 㐀崀 ਀ⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀ ਀一攀琀眀漀爀欀 圀漀爀欀椀渀最 䜀爀漀甀瀀                           䔀氀氀攀渀 圀攀猀琀栀攀椀洀攀爀 NIC #10604 BBN਀刀䘀䌀 ⌀㌀㘀㈀                                        ㈀㠀 䨀甀渀攀 ㄀㤀㜀㈀ Categories: F, G.3਀唀瀀搀愀琀攀猀㨀  刀䘀䌀 ⌀㌀㔀㌀ Obsoletes: None਀ NETWORK HOST STATUS਀ This RFC reports on the status of most Network Hosts from June 5਀琀漀 䨀甀渀攀 ㄀㘀⸀  䐀甀爀椀渀最 琀栀椀猀 瀀攀爀椀漀搀 琀栀攀 䴀䤀吀 䴀愀琀栀 䰀愀戀 倀䐀倀ⴀ㄀　 ⠀一攀琀眀漀爀欀 address 198) became a server.਀ No testing was done on June 6 due to an attempt to install the਀渀攀眀 䤀䴀倀 猀礀猀琀攀洀⸀  一漀 琀攀猀琀椀渀最 眀愀猀 搀漀渀攀 漀渀 䨀甀渀攀 㤀 愀猀 琀栀攀 瀀爀漀琀漀琀礀瀀攀 Terminal IMP was being used for software debugging.਀ On June 16 the ARPA Terminal IMP (Network 156) was installed in਀䄀爀氀椀渀最琀漀渀Ⰰ 嘀椀爀最椀渀椀愀⸀ ਀      匀攀瘀攀爀愀氀 䠀漀猀琀猀 愀爀攀 挀甀爀爀攀渀琀氀礀 攀砀挀氀甀搀攀搀 昀爀漀洀 琀栀攀 搀愀椀氀礀 琀攀猀琀椀渀最⸀ These Hosts fall into two categories:਀ 1) Hosts which are not expected to be functioning on the Network as਀猀攀爀瘀攀爀猀 ⠀愀瘀愀椀氀愀戀氀攀 昀漀爀 甀猀攀 昀爀漀洀 漀琀栀攀爀 猀椀琀攀猀⤀ 漀渀 愀 爀攀最甀氀愀爀 戀愀猀椀猀 昀漀爀 愀琀 least two weeks. The only Host in this category is the PDP-10 at Case਀⠀一攀琀眀漀爀欀 愀搀搀爀攀猀猀 ㄀㌀⤀⸀ ਀㈀⤀ 䠀漀猀琀猀 眀栀椀挀栀 愀爀攀 挀甀爀爀攀渀琀氀礀 椀渀琀攀渀搀攀搀 琀漀 戀攀 甀猀攀爀猀 漀渀氀礀⸀  䤀渀挀氀甀搀攀搀 栀攀爀攀 are the Terminal IMPs, which are presently in the Network (AMES,਀䴀䤀吀刀䔀Ⰰ 一䈀匀Ⰰ 䔀吀䄀䌀Ⰰ 唀匀䌀Ⰰ 䜀圀䌀Ⰰ 一伀䄀䄀Ⰰ 刀䄀䐀䌀Ⰰ 匀䄀䄀䌀Ⰰ 䈀䔀䰀嘀伀䤀刀Ⰰ 䄀刀倀䄀Ⰰ 愀渀搀 BBN*). This category also includes the Network Control Center਀挀漀洀瀀甀琀攀爀 ⠀一攀琀眀漀爀欀 愀搀搀爀攀猀猀 㔀⤀ 眀栀椀挀栀 椀猀 甀猀攀搀 猀漀氀攀氀礀 昀漀爀 最愀琀栀攀爀椀渀最 statistics from the Network. Finally, included among these Hosts are਀琀栀攀 昀漀氀氀漀眀椀渀最㨀 Network਀          䄀搀搀爀攀猀猀                匀椀琀攀                䌀漀洀瀀甀琀攀爀 ------- ---- --------਀              㜀                 刀愀渀搀                 䤀䈀䴀ⴀ㌀㘀　⼀㘀㔀 73 Harvard PDP-1਀             ㄀㈀                 䤀氀氀椀渀漀椀猀             倀䐀倀ⴀ㄀㄀ 19 NBS PDP-11਀             ㈀㌀                 唀匀䌀                  䤀䈀䴀ⴀ㌀㘀　⼀㐀㐀 ਀      吀栀攀 琀愀戀氀攀猀 漀渀 琀栀攀 渀攀砀琀 琀眀漀 瀀愀最攀猀 猀甀洀洀愀爀椀稀攀 琀栀攀 䠀漀猀琀 猀琀愀琀甀猀 for this period.਀开开开开开开开开开开开开开开开开 *The BBN Terminal IMP (Network Address 158) is a prototype and as਀ 猀甀挀栀 椀猀 昀爀攀焀甀攀渀琀氀礀 渀漀琀 挀漀渀渀攀挀琀攀搀 琀漀 琀栀攀 一攀琀眀漀爀欀Ⰰ 戀甀琀 戀攀椀渀最 甀猀攀搀 to refine and debug the Terminal IMP programs.਀ ਀ [Page 1]਀ ਀匀吀䄀吀唀匀 伀刀 SITE PREDICTIONS਀䄀䐀䐀刀䔀匀匀   匀䤀吀䔀           䌀伀䴀倀唀吀䔀刀    匀吀䄀吀唀匀 伀刀 倀刀䔀䐀䤀䌀吀䤀伀一   伀䈀吀䄀䤀一䔀䐀 䘀刀伀䴀 ------- ---- -------- -------------------- -------------਀   ㄀      唀䌀䰀䄀           匀䤀䜀䴀䄀ⴀ㜀     匀攀爀瘀攀爀 ⌀䰀椀洀椀琀攀搀         䨀漀渀 倀漀猀琀攀氀 65 UCLA IBM-360/91 NETRJS now Bob Braden਀                                     ⠀吀攀氀渀攀琀 椀渀 䨀甀渀攀⤀ 2 SRI (NIC) PDP-10 Server Jim White਀  㘀㘀      匀刀䤀 ⠀䄀䤀⤀       倀䐀倀ⴀ㄀　      匀攀爀瘀攀爀                  䰀攀渀 䌀栀愀椀琀攀渀 3 UCSB IBM-360/75 Server Ron Stoughton਀   㐀      唀吀䄀䠀           倀䐀倀ⴀ㄀　      匀攀爀瘀攀爀                  䈀愀爀爀礀 圀攀猀猀氀攀爀 *5 BBN (NCC) DDP-516 Never Alex McKenzie਀  㘀㤀      䈀䈀一 ⠀吀䔀一䔀堀ⴀ䄀⤀  倀䐀倀ⴀ㄀　      匀攀爀瘀攀爀                  䐀愀渀 䴀甀爀瀀栀礀 133 BBN (TENEX-B) PDP-10 Server(Exper.) Dan Murphy਀   㘀      䴀䤀吀 ⠀䴀甀氀琀椀挀猀⤀  䠀ⴀ㘀㐀㔀       匀攀爀瘀攀爀                  䴀椀欀攀 倀愀搀氀椀瀀猀欀礀 70 MIT (DM) PDP-10 Server Bob Bressler਀ ㄀㌀㐀      䴀䤀吀 ⠀䄀䤀⤀       倀䐀倀ⴀ㄀　      匀攀爀瘀攀爀                  䨀攀昀昀 刀甀戀椀渀 198 MIT (ML) PDP-10 Server Jeff Rubin਀  ⨀㜀      刀䄀一䐀           䤀䈀䴀ⴀ㌀㘀　⼀㘀㔀  唀猀攀爀 伀渀氀礀               䔀爀椀挀 䠀愀爀猀氀攀洀 71 RAND PDP-10 Server Eric Harslem਀   㠀      匀䐀䌀            䤀䈀䴀ⴀ㌀㜀　⼀㄀㔀㔀 匀攀爀瘀攀爀                  䈀漀戀 䰀漀渀最 9 HARVARD PDP-10 Server Bob Sundberg਀ ⨀㜀㌀      䠀䄀刀嘀䄀刀䐀        倀䐀倀ⴀ㄀       唀猀攀爀 伀渀氀礀               䈀漀戀 匀甀渀搀戀攀爀最 10 LINCOLN IBM-360/67 "Soon" Joel Winett਀  㜀㐀      䰀䤀一䌀伀䰀一        吀堀ⴀ㈀        匀攀爀瘀攀爀                  圀椀氀氀 䬀愀渀琀爀漀眀椀琀稀 11 STANFORD PDP-10 Server Andy Moorer਀ ⨀㄀㈀      䤀䰀䰀䤀一伀䤀匀       倀䐀倀ⴀ㄀㄀      唀猀攀爀 伀渀氀礀               䨀漀栀渀 䌀爀愀瘀椀琀猀 *13 CASE PDP-10 June Charles Rose਀  ㄀㐀      䌀䄀刀一䔀䜀䤀䔀       倀䐀倀ⴀ㄀　      匀攀爀瘀攀爀                  䠀愀氀 嘀愀渀娀漀攀爀攀渀 15 AMES ILLIAC Server John McConnell਀                         ⠀倀䐀倀ⴀ㄀　⤀ 16 AMES IBM-360/67 "Soon" Wayne Hathaway਀⨀㄀㐀㐀      䄀䴀䔀匀           吀䤀倀         唀猀攀爀 伀渀氀礀 *145 MITRE TIP User Only਀⨀㄀㐀㘀      刀䄀䐀䌀           吀䤀倀         唀猀攀爀 伀渀氀礀 *19 NBS PDP-11 User Only Robert Rosenthal਀⨀㄀㐀㜀      一䈀匀            吀䤀倀         唀猀攀爀 伀渀氀礀 *148 ETAC TIP User Only਀ ⨀㈀㌀      唀匀䌀            䤀䈀䴀ⴀ㌀㘀　⼀㐀㐀  唀猀攀爀 一漀眀               䨀愀洀攀猀 倀攀瀀椀渀 *151 USC TIP User Only਀⨀㄀㔀㈀      䜀圀䌀            吀䤀倀         唀猀攀爀 伀渀氀礀 *153 NOAA TIP User Only਀⨀㄀㔀㐀      匀䄀䄀䌀           吀䤀倀         唀猀攀爀 伀渀氀礀 *156 ARPA TIP User Only਀⨀㄀㔀㠀      䈀䈀一            吀䤀倀         唀猀攀爀 伀渀氀礀 (Prototype)਀开开开开开开开开开开开开开开 *Host not included in daily testing.਀⌀吀栀攀 一䴀䌀 椀猀 愀 爀攀猀攀愀爀挀栀 猀椀琀攀 愀渀搀 眀漀甀氀搀 氀椀欀攀 琀漀 栀愀瘀攀 瀀爀椀漀爀 愀爀爀愀渀最攀洀攀渀琀 with each user.਀ ਀ [Page 2]਀ ਀一伀⸀     匀䤀吀䔀                          䐀䄀吀䔀 䄀一䐀 吀䤀䴀䔀 ⠀䔀䄀匀吀䔀刀一⤀ --- ---- -----------------------਀                         㘀⼀㔀   㘀⼀㜀   㘀⼀㠀   㘀⼀㄀㈀  㘀⼀㄀㌀  㘀⼀㄀㐀  㘀⼀㄀㔀  㘀⼀㄀㘀 1330 1600 1200 1530 1230 1100 1230 1700਀ 1 UCLA-NMC O O O O O #D O O਀ 㘀㔀     唀䌀䰀䄀ⴀ䌀䌀一⨀          伀     伀     伀     伀     伀    ⌀䐀     伀     伀 2 SRI-ARC O D D O O O O O਀ 㘀㘀     匀刀䤀ⴀ䄀䤀             伀     䐀     吀     䐀     䐀     䐀    ⌀䐀     䐀 3 UCSB-MOD75 O O O O O O O O਀  㐀     唀吀䄀䠀ⴀ㄀　            　     伀     伀     䐀     䐀     伀     䐀     伀 69 BBN-TENEX D O O O O O O O਀㄀㌀㌀     䈀䈀一ⴀ吀䔀一䔀堀䈀        ⌀䐀    ⌀䐀    ⌀䐀    ⌀䐀    ⌀䐀    ⌀䐀    ⌀䐀    ⌀䐀 6 MIT-MULTICS O O O O O O O O਀ 㜀　     䴀䤀吀ⴀ䐀䴀䌀䜀           伀     伀     伀     伀     伀     伀     伀     伀 134 MIT-AI H H H H H H H H਀㄀㤀㐀     䴀䤀吀ⴀ䴀䰀             䐀     䐀     䠀     䐀     䠀     䠀     䐀     䠀 71 RAND-CSG O D O D O O O O਀  㠀     匀䐀䌀ⴀ䄀䐀䔀倀吀         ⌀䐀    ⌀䐀    ⌀䐀    ⌀䐀    ⌀䐀    ⌀䐀    ⌀䐀     䐀 9 HARVARD-10 O O O O #D #D #D O਀ ㄀　     䰀⸀䰀⸀ⴀ㌀㘀　           䠀     䐀     䠀     䐀     䠀     䠀     䠀     䠀 74 L.L.-TX-2 R #D O O O #D O O਀ ㄀㄀     匀吀䄀一䘀伀刀䐀ⴀ䄀䤀        䐀     䐀     伀     伀     伀     伀     䐀     䐀 14 CMU-10 D O O O O T O O਀ ㄀㔀     䄀䴀䔀匀ⴀ䤀䰀䰀䤀䄀䌀        吀     伀     伀     伀     䐀     伀     伀     伀 16 AMES-67 D D D D D D D D਀ where਀䐀 㴀 䐀攀愀搀 ⠀䐀攀猀琀椀渀愀琀椀漀渀 䠀漀猀琀 攀椀琀栀攀爀 搀攀愀搀 漀爀 椀渀愀挀挀攀猀猀椀戀氀攀 嬀搀甀攀 琀漀 渀攀琀眀漀爀欀 partitioning or local IMP failure] from the BBN Terminal IMP.)਀ F = Full (Destination Host opened a connection, informed user that all਀    一攀琀眀漀爀欀 瀀漀爀琀猀 眀攀爀攀 椀渀 甀猀攀Ⰰ 愀渀搀 椀洀洀攀搀椀愀琀攀氀礀 挀氀漀猀攀搀 琀栀攀 挀漀渀渀攀挀琀椀漀渀⸀⤀ ਀䠀 㴀 ㄀⼀㈀ 伀瀀攀渀 ⠀䐀攀猀琀椀渀愀琀椀漀渀 䠀漀猀琀 漀瀀攀渀攀搀 愀 挀漀渀渀攀挀琀椀漀渀 戀甀琀 琀栀攀渀 攀椀琀栀攀爀 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਀    挀漀渀渀攀挀琀椀漀渀 眀椀琀栀椀渀 㘀　 猀攀挀漀渀搀猀⸀⤀ _______________਀⨀吀栀攀 漀渀氀礀 猀攀爀瘀椀挀攀 挀甀爀爀攀渀琀氀礀 漀昀昀攀爀攀搀 戀礀 琀栀攀 唀䌀䰀䄀 䤀䈀䴀ⴀ㌀㘀　⼀㤀㄀ 椀猀 愀 一攀琀眀漀爀欀 Job Service (NETRJS), however, the BBN Terminal IMP is not equipped to਀ 琀攀猀琀 一䔀吀刀䨀匀⸀  圀攀 愀爀攀 愀猀猀甀洀椀渀最 琀栀愀琀 椀渀椀琀椀愀氀 挀漀渀渀攀挀琀椀漀渀 琀漀 琀栀攀 一䔀吀刀䨀匀 logger indicates that NETRJS is also functioning.਀⌀吀栀攀猀攀 猀椀琀攀猀 愀搀瘀攀爀琀椀猀攀 琀栀愀琀 琀栀攀礀 洀愀礀 渀漀琀 栀愀瘀攀 琀栀攀椀爀 猀礀猀琀攀洀 愀瘀愀椀氀愀戀氀攀 愀琀 these times.਀ ਀ [Page 3]਀ ਀       嬀 吀栀椀猀 刀䘀䌀 眀愀猀 瀀甀琀 椀渀琀漀 洀愀挀栀椀渀攀 爀攀愀搀愀戀氀攀 昀漀爀洀 昀漀爀 攀渀琀爀礀 崀 [ into the online RFC archives by BBN Corp. under the ]਀       嬀 搀椀爀攀挀琀椀漀渀 漀昀 䄀氀攀砀 䴀挀䬀攀渀稀椀攀⸀                      ㄀⼀㤀㜀 崀 ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ [Page 4]਀                                                                 ------------------------------------------------------------------------਀ Network Working Group Ellen Westheimer਀刀攀焀甀攀猀琀 昀漀爀 䌀漀洀洀攀渀琀猀㨀 ㌀㔀㌀                                            䈀䈀一 NIC #10595 12 June 1972਀䌀愀琀攀最漀爀椀攀猀㨀  䘀Ⰰ 䜀⸀㌀ Updates: RFC #344਀伀戀猀漀氀攀琀攀猀㨀 一漀渀攀 ਀ NETWORK HOST STATUS਀ This RFC reports on the status of most Network Hosts from May 22 to਀   䨀甀渀攀 ㈀⸀ ਀   一漀 琀攀猀琀椀渀最 眀愀猀 搀漀渀攀 漀渀 䴀攀洀漀爀椀愀氀 䐀愀礀Ⰰ 眀栀椀挀栀 䴀愀猀猀愀挀栀甀猀攀琀琀猀 挀攀氀攀戀爀愀琀攀搀 on May 29. No testing was done on May 31 and June 1 due to an਀   愀琀琀攀洀瀀琀 琀漀 椀渀猀琀愀氀氀 琀栀攀 渀攀眀 䤀䴀倀 猀礀猀琀攀洀⸀ ਀   吀栀爀攀攀 渀攀眀 琀攀爀洀椀渀愀氀 䤀䴀倀猀 眀攀爀攀 椀渀猀琀愀氀氀攀搀 搀甀爀椀渀最 琀栀椀猀 椀渀琀攀爀瘀愀氀⸀  伀渀 䨀甀渀攀 1, Terminal IMP #155 was installed at Fort Belvoir in Fairfax,਀   嘀椀爀最椀渀椀愀㬀 漀渀 䨀甀渀攀 ㌀Ⰰ 吀攀爀洀椀渀愀氀 䤀䴀倀 ⌀㄀㔀㐀 眀愀猀 椀渀猀琀愀氀氀攀搀 愀琀 匀䄀䄀䌀 ⠀匀攀椀猀洀椀挀 Array Analysis Center) in Alexandria, Virginia; and on June 5,਀   吀攀爀洀椀渀愀氀 䤀䴀倀 ⌀㄀㔀㌀ 眀愀猀 椀渀猀琀愀氀氀攀搀 愀琀 一伀䄀䄀 ⠀一愀琀椀漀渀愀氀 伀挀攀愀渀椀挀 䄀渀愀氀礀猀椀猀 Agency) in Boulder, Colorado.਀ Several Hosts are currently excluded from the daily testing. These਀   䠀漀猀琀猀 昀愀氀氀 椀渀琀漀 琀眀漀 挀愀琀攀最漀爀椀攀猀㨀 ਀    ㄀⤀ 䠀漀猀琀猀 眀栀椀挀栀 愀爀攀 渀漀琀 攀砀瀀攀挀琀攀搀 琀漀 戀攀 昀甀渀挀琀椀漀渀椀渀最 漀渀 琀栀攀 一攀琀眀漀爀欀 愀猀 servers (available for use from other sites) on a regular basis਀       昀漀爀 愀琀 氀攀愀猀琀 琀眀漀 眀攀攀欀猀⸀  吀栀攀 漀渀氀礀 䠀漀猀琀 椀渀 琀栀椀猀 挀愀琀攀最漀爀礀 椀猀 琀栀攀 PDP-10 at Case (Network address 13).਀ 2) Hosts which are currently intended to be users only. Included਀       栀攀爀攀 愀爀攀 琀栀攀 吀攀爀洀椀渀愀氀 䤀䴀倀猀Ⰰ 眀栀椀挀栀 愀爀攀 瀀爀攀猀攀渀琀氀礀 椀渀 琀栀攀 一攀琀眀漀爀欀 (AMES, MITRE, NBS, ETAC, USC, GWC, NOAA, SAAC, BELVOIR, and਀       䈀䈀一⨀⤀⸀  吀栀椀猀 挀愀琀攀最漀爀礀 愀氀猀漀 椀渀挀氀甀搀攀猀 琀栀攀 一攀琀眀漀爀欀 䌀漀渀琀爀漀氀 䌀攀渀琀攀爀 ਀ ਀ ਀   开开开开开开开开开开开 *The BBN Terminal IMP (Network Address 158) is a prototype and as਀   猀甀挀栀 椀猀 昀爀攀焀甀攀渀琀氀礀 渀漀琀 挀漀渀渀攀挀琀攀搀 琀漀 琀栀攀 一攀琀眀漀爀欀Ⰰ 戀甀琀 戀攀椀渀最 甀猀攀搀 to refine and debug the Terminal IMP programs.਀ ਀ ਀ ਀圀攀猀琀栀攀椀洀攀爀                                                      嬀倀愀最攀 ㄀崀 ਀ RFC 353 NETWORK HOST STATUS June 1972਀ ਀   挀漀洀瀀甀琀攀爀 ⠀一攀琀眀漀爀欀 愀搀搀爀攀猀猀 㔀⤀ 眀栀椀挀栀 椀猀 甀猀攀搀 猀漀氀攀氀礀 昀漀爀 最愀琀栀攀爀椀渀最 statistics from the Network. Finally, included among these Hosts are਀   琀栀攀 昀漀氀氀漀眀椀渀最㨀 ਀         一攀琀眀漀爀欀 Address Site Computer਀         ⴀⴀⴀⴀⴀⴀⴀ               ⴀⴀⴀⴀ                ⴀⴀⴀⴀⴀⴀⴀⴀ 7 Rand IBM-360/65਀            㜀㌀               䠀愀爀瘀愀爀搀               倀䐀倀ⴀ㄀ 12 Illinois PDP-11਀            ㄀㤀               一䈀匀                   倀䐀倀ⴀ㄀㄀ 23 USC IBM-360/44਀ The tables on the next two pages summarize the Host status for this਀   瀀攀爀椀漀搀⸀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ Westheimer [Page 2]਀ ਀刀䘀䌀 ㌀㔀㌀                   一䔀吀圀伀刀䬀 䠀伀匀吀 匀吀䄀吀唀匀                  䨀甀渀攀 ㄀㤀㜀㈀ ਀ STATUS OR਀ 匀䤀吀䔀                                                   倀刀䔀䐀䤀䌀吀䤀伀一匀 ADDRESS SITE COMPUTER STATUS OR PREDICTION OBTAINED FROM਀ 1 UCLA SIGMA-7 Server #Limited Jon Postel਀  㘀㔀    唀䌀䰀䄀          䤀䈀䴀ⴀ㌀㘀　⼀㤀㄀  一䔀吀刀䨀匀 渀漀眀            䈀漀戀 䈀爀愀搀攀渀 (Telnet in June)਀   ㈀    匀刀䤀 ⠀一䤀䌀⤀     倀䐀倀ⴀ㄀　      匀攀爀瘀攀爀                䨀椀洀 圀栀椀琀攀 66 SRI (AI) PDP-10 Server Len Chaiten਀   ㌀    唀䌀匀䈀          䤀䈀䴀ⴀ㌀㘀　⼀㜀㔀  匀攀爀瘀攀爀                刀漀渀 匀琀漀甀最栀琀漀渀 4 UTAH PDP-10 Server Barry Wessler਀  ⨀㔀    䈀䈀一 ⠀一䌀䌀⤀     䐀䐀倀ⴀ㔀㄀㘀     一攀瘀攀爀                 䄀氀攀砀 䴀挀䬀攀渀稀椀攀 69 BBN (TENEX-A) PDP-10 Server Dan Murphy਀ ㄀㌀㌀    䈀䈀一 ⠀吀䔀一䔀堀ⴀ䈀⤀ 倀䐀倀ⴀ㄀　      匀攀爀瘀攀爀 ⠀䔀砀瀀攀爀⸀⤀       䐀愀渀 䴀甀爀瀀栀礀 6 MIT (Multics) H-645 Server Mike Padlipsky਀  㜀　    䴀䤀吀 ⠀䐀䴀⤀      倀䐀倀ⴀ㄀　      匀攀爀瘀攀爀                䈀漀戀 䈀爀攀猀猀氀攀爀 134 MIT (AI) PDP-10 Server Jeff Rubin਀  ⨀㜀    刀䄀一䐀          䤀䈀䴀ⴀ㌀㘀　⼀㘀㔀  唀猀攀爀 伀渀氀礀             䔀爀椀挀 䠀愀爀猀氀攀洀 71 RAND PDP-10 Server Eric Harslem਀   㠀    匀䐀䌀           䤀䈀䴀ⴀ㌀㜀　⼀㄀㔀㔀 匀攀爀瘀攀爀                䈀漀戀 䰀漀渀最 9 HARVARD PDP-10 Server Bob Sundberg਀ ⨀㜀㌀    䠀䄀刀嘀䄀刀䐀       倀䐀倀ⴀ㄀       唀猀攀爀 伀渀氀礀             䈀漀戀 匀甀渀搀戀攀爀最 10 LINCOLN IBM-360/67 "Soon" Joel Winett਀  㜀㐀    䰀䤀一䌀伀䰀一       吀堀ⴀ㈀        匀攀爀瘀攀爀                圀椀氀氀 䬀愀渀琀爀漀眀椀琀稀 11 STANFORD PDP-10 Server Andy Moorer਀ ⨀㄀㈀    䤀䰀䰀䤀一伀䤀匀      倀䐀倀ⴀ㄀㄀      唀猀攀爀 伀渀氀礀             䨀漀栀渀 䌀爀愀瘀椀琀稀 *13 CASE PDP-10 June Charles Rose਀  ㄀㐀    䌀䄀刀一䔀䜀䤀䔀      倀䐀倀ⴀ㄀　      匀攀爀瘀攀爀                䠀愀氀 嘀愀渀娀漀攀爀攀渀 15 AMES ILLIAC Server John McConnell਀                      ⠀䈀㘀㔀　　⤀ 16 AMES IBM-360/67 "Soon" Wayne Hathaway਀⨀㄀㐀㐀    䄀䴀䔀匀          吀䤀倀         唀猀攀爀 伀渀氀礀 *145 MITRE TIP User Only਀ ⨀㄀㤀    一䈀匀           倀䐀倀ⴀ㄀㄀      唀猀攀爀 伀渀氀礀             刀漀戀攀爀琀 刀漀猀攀渀琀栀愀氀 *147 NBS TIP User Only਀⨀㄀㐀㠀    䔀吀䄀䌀          吀䤀倀         唀猀攀爀 伀渀氀礀 *23 USC IBM-360/44 User Now James Pepin਀⨀㄀㔀㄀    唀匀䌀           吀䤀倀         唀猀攀爀 伀渀氀礀 *152 GWC TIP User Only਀⨀㄀㔀㌀    一伀䄀䄀          吀䤀倀         唀猀攀爀 伀渀氀礀 *154 SAAC TIP User Only਀⨀㄀㔀㔀    䈀䔀䰀嘀伀䤀刀       吀䤀倀         唀猀攀爀 伀渀氀礀 *158 BBN TIP User Only਀                      ⠀倀爀漀琀漀琀礀瀀攀⤀ _________਀⨀䠀漀猀琀 渀漀琀 椀渀挀氀甀搀攀搀 椀渀 搀愀椀氀礀 琀攀猀琀椀渀最 #The NMC is a research site and would like to have prior arrangement਀眀椀琀栀 攀愀挀栀 甀猀攀爀⸀ ਀ ਀圀攀猀琀栀攀椀洀攀爀                                                      嬀倀愀最攀 ㌀崀 ਀ RFC 353 NETWORK HOST STATUS June 1972਀ ਀   一伀⸀   匀䤀吀䔀                   䐀䄀吀䔀 䄀一䐀 吀䤀䴀䔀 ⠀䔀䄀匀吀䔀刀一⤀ --- ---- 5/22 5/23 5/24 5/25 5/26 5/30 6/2਀                          ㄀㜀　　  ㄀㠀　　  ㄀㌀　　  ㄀㌀　　  ㄀㘀　　  ㄀㐀㌀　  ㄀㌀　　 1 UCLA-NMC O O T D D O D਀    㘀㔀   唀䌀䰀䄀ⴀ䌀䌀一⨀          伀     伀     伀     伀     䐀     伀     䐀 2 SRI-ARC O O O O O O O਀    㘀㘀   匀刀䤀ⴀ䄀䤀             伀     䐀     伀     䐀     䐀     䐀     䐀 3 UCSB-MOD75 O O D O O O O਀     㐀   唀吀䄀䠀ⴀ㄀　            伀     伀     伀     伀     伀     䐀     䐀 69 BBN-TENEX D O O O O O O਀   ㄀㌀㌀   䈀䈀一ⴀ吀䔀一䔀堀䈀         伀     伀     伀     伀    ⌀吀     伀    ⌀䐀 6 MIT-MULTICS D O O O O O O਀    㜀　   䴀䤀吀ⴀ䐀䴀䌀䜀           伀     䠀     伀     伀     伀     伀     伀 134 MIT-AI D T D D T H H਀    㜀㄀   刀䄀一䐀ⴀ䌀匀䜀           䐀     䐀     䐀     䐀     伀     䐀     伀 8 SDC-ADEPT H D #D #D H #D #D਀     㤀   䠀䄀刀嘀䄀刀䐀ⴀ㄀　         伀     伀     伀     伀     伀     伀     伀 10 L.L.-360 D D D H H H H਀    㜀㐀   䰀⸀䰀⸀ⴀ吀堀ⴀ㈀          伀     伀    ⌀䐀     䐀     䐀     伀     伀 11 STANFORD-AI O O O H O D D਀    ㄀㐀   䌀䴀唀ⴀ㄀　             䐀     伀     䐀     伀     伀     伀     伀 15 AMES-ILLIAC T T T T T T T਀    ㄀㘀   䄀䴀䔀匀ⴀ㘀㜀            䐀     吀     䐀     䐀     䐀     䐀     䐀 ਀   眀栀攀爀攀 D = Dead (Destination Host either dead or inaccessible [due to਀       渀攀琀眀漀爀欀 瀀愀爀琀椀琀椀漀渀椀渀最 漀爀 氀漀挀愀氀 䤀䴀倀 昀愀椀氀甀爀攀崀 昀爀漀洀 琀栀攀 䈀䈀一 吀攀爀洀椀渀愀氀 IMP.)਀   䘀 㴀 䘀甀氀氀 ⠀䐀攀猀琀椀渀愀琀椀漀渀 䠀漀猀琀 漀瀀攀渀攀搀 愀 挀漀渀渀攀挀琀椀漀渀Ⰰ 椀渀昀漀爀洀攀搀 甀猀攀爀 琀栀愀琀 all Network ports were in use, and immediately closed the਀       挀漀渀渀攀挀琀椀漀渀⸀⤀ H = 1/2 Open (Destination Host opened a connection but then either਀       椀洀洀攀搀椀愀琀攀氀礀 挀氀漀猀攀搀 椀琀Ⰰ 漀爀 搀椀搀 渀漀琀 爀攀猀瀀漀渀搀 愀渀礀 昀甀爀琀栀攀爀⸀⤀ O = Open (Destination opened a connection and was accessible to us.਀   刀 㴀 刀攀昀甀猀攀搀 ⠀䐀攀猀琀椀渀愀琀椀漀渀 䠀漀猀琀 爀攀琀甀爀渀攀搀 愀 䌀䰀匀 琀漀 琀栀攀 椀渀椀琀椀愀氀 刀䘀䌀⸀⤀ T = Timed out (Destination Host did not complete the ICP and open a਀       挀漀渀渀攀挀琀椀漀渀 眀椀琀栀椀渀 㘀　 猀攀挀漀渀搀猀⸀⤀ __________਀   ⨀吀栀攀 漀渀氀礀 猀攀爀瘀椀挀攀 挀甀爀爀攀渀琀氀礀 漀昀昀攀爀攀搀 戀礀 琀栀攀 唀䌀䰀䄀 䤀䈀䴀ⴀ㌀㘀　⼀㤀㄀ 椀猀 愀 一攀琀眀漀爀欀 Job Service (NETRJS), however, the BBN Terminal IMP is not equipped to਀   琀攀猀琀 一䔀吀刀䨀匀⸀  圀攀 愀爀攀 愀猀猀甀洀椀渀最 琀栀愀琀 椀渀椀琀椀愀氀 挀漀渀渀攀挀琀椀漀渀 琀漀 琀栀攀 一䔀吀刀䨀匀 logger indicates that NETRJS is also functioning.਀ #These sites advertise that they may not have their system available at਀   琀栀攀猀攀 琀椀洀攀猀⸀ ਀            嬀 吀栀椀猀 刀䘀䌀 眀愀猀 瀀甀琀 椀渀琀漀 洀愀挀栀椀渀攀 爀攀愀搀愀戀氀攀 昀漀爀洀 昀漀爀 攀渀琀爀礀 崀 [ into the online RFC archives by Bob German 10/99 ]਀ ਀ Westheimer [Page 4]਀ ਀刀䘀䌀 ㌀㔀㌀                   一䔀吀圀伀刀䬀 䠀伀匀吀 匀吀䄀吀唀匀                  䨀甀渀攀 ㄀㤀㜀㈀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀圀攀猀琀栀攀椀洀攀爀                                                      嬀倀愀最攀 㔀崀 ਀ⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀ ਀一攀琀眀漀爀欀 圀漀爀欀椀渀最 䜀爀漀甀瀀                                   䔀氀氀攀渀 圀攀猀琀栀攀椀洀攀爀 Request for Comments: 344 BBN਀一䤀䌀 ⌀㄀　㐀㈀㌀                                                   ㈀㈀ 䴀愀礀 ㄀㤀㜀㈀ Categories: F, G.3਀唀瀀搀愀琀攀猀㨀  刀䘀䌀 ⌀㌀㐀㈀ Obsoletes: None਀ NETWORK HOST STATUS਀ This RFC reports on the status of most Network Hosts from਀   䴀愀礀 㠀 琀漀 䴀愀礀 ㄀㤀⸀  一漀 琀攀猀琀椀渀最 眀愀猀 搀漀渀攀 漀渀 䴀愀礀 ㄀㔀 搀甀攀 琀漀 琀栀攀 愀琀琀攀洀瀀琀 to install the new IMP system on that day.਀ During this interval the PDP-10 of the MIT Artificial਀   䤀渀琀攀氀氀椀最攀渀挀攀 䜀爀漀甀瀀 ⠀一攀琀眀漀爀欀 愀搀搀爀攀猀猀 ㄀㌀㐀⤀ 愀渀搀 琀栀攀 倀䐀倀ⴀ㄀　 愀琀 Stanford (Network address 11) each became Network Servers.਀ Several Hosts are currently excluded from the daily testing.਀   吀栀攀猀攀 䠀漀猀琀猀 昀愀氀氀 椀渀琀漀 琀眀漀 挀愀琀攀最漀爀椀攀猀㨀 ਀        ㄀⤀  䠀漀猀琀猀 眀栀椀挀栀 愀爀攀 渀漀琀 攀砀瀀攀挀琀攀搀 琀漀 戀攀 昀甀渀挀琀椀漀渀椀渀最 漀渀 琀栀攀 Network as servers (available for use from other sites)਀            漀渀 愀 爀攀最甀氀愀爀 戀愀猀椀猀 昀漀爀 愀琀 氀攀愀猀琀 琀眀漀 眀攀攀欀猀⸀  吀栀攀 漀渀氀礀 Host in this category is the PDP-10 at Case (Network਀            愀搀搀爀攀猀猀 ㄀㌀⤀⸀ ਀        ㈀⤀  䠀漀猀琀猀 眀栀椀挀栀 愀爀攀 挀甀爀爀攀渀琀氀礀 椀渀琀攀渀搀攀搀 琀漀 戀攀 甀猀攀爀猀 漀渀氀礀⸀ Included here are the Terminal IMPs, which are presently਀            椀渀 琀栀攀 一攀琀眀漀爀欀 ⠀䄀䴀䔀匀Ⰰ 䴀䤀吀刀䔀Ⰰ 一䈀匀Ⰰ 䔀吀䄀䌀Ⰰ 唀匀䌀Ⰰ 䜀圀䌀Ⰰ 愀渀搀 BBN*). This category also includes the Network Control਀            䌀攀渀琀攀爀 挀漀洀瀀甀琀攀爀 ⠀一攀琀眀漀爀欀 愀搀搀爀攀猀猀 㔀⤀ 眀栀椀挀栀 椀猀 甀猀攀搀 猀漀氀攀氀礀 for gathering statistics from the Network. Finally,਀            椀渀挀氀甀搀攀搀 愀洀漀渀最 琀栀攀猀攀 䠀漀猀琀猀 愀爀攀 琀栀攀 昀漀氀氀漀眀椀渀最㨀 ਀            一攀琀眀漀爀欀 Address Site Computer਀            ⴀⴀⴀⴀⴀⴀⴀ              ⴀⴀⴀⴀ                   ⴀⴀⴀⴀⴀⴀⴀⴀ 7 Rand IBM-360/65਀              㜀㌀                䠀愀爀瘀愀爀搀                 倀䐀倀ⴀ㄀ 12 Illinois PDP-11਀              ㄀㤀                一䈀匀                     倀䐀倀ⴀ㄀㄀ 23 USC IBM-360/44਀ The tables on the next two pages summarize the Host status਀   昀漀爀 琀栀椀猀 瀀攀爀椀漀搀⸀ _____________਀   ⨀吀栀攀 䈀䈀一 吀攀爀洀椀渀愀氀 䤀䴀倀 ⠀一攀琀眀漀爀欀 䄀搀搀爀攀猀猀 ㄀㔀㠀⤀ 椀猀 愀 瀀爀漀琀漀琀礀瀀攀 愀渀搀 愀猀 such is frequently not connected to the Network, but being used਀   琀漀 爀攀昀椀渀攀 愀渀搀 搀攀戀甀最 琀栀攀 吀攀爀洀椀渀愀氀 䤀䴀倀 瀀爀漀最爀愀洀猀⸀ ਀ ਀                                                                嬀倀愀最攀 ㄀崀 ਀ "STATUS OR਀ 匀䤀吀䔀                                                     倀刀䔀䐀䤀䌀吀䤀伀一匀 ADDRESS SITE COMPUTER STATUS OR PREDICTION OBTAINED FROM਀ⴀⴀⴀⴀⴀⴀⴀ  ⴀⴀⴀⴀ         ⴀⴀⴀⴀⴀⴀⴀⴀ    ⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀ   ⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀ 1 UCLA SIGMA-7 Server #Limited Jon Postel਀  㘀㔀     唀䌀䰀䄀         䤀䈀䴀ⴀ㌀㘀　⼀㤀㄀  一䔀吀刀䨀匀 渀漀眀            䈀漀戀 䈀爀愀搀攀渀 (Telnet in June)਀   ㈀     匀刀䤀⠀一䤀䌀⤀     倀䐀倀ⴀ㄀　      匀攀爀瘀攀爀                䨀椀洀 圀栀椀琀攀 66 SRI(AI) PDP-10 Server Len Chaiten਀   ㌀     唀䌀匀䈀         䤀䈀䴀ⴀ㌀㘀　⼀㜀㔀  匀攀爀瘀攀爀                刀漀渀 匀琀漀甀最栀琀漀渀 4 UTAH PDP-10 Server Barry Wessler਀  ⨀㔀     䈀䈀一⠀一䌀䌀⤀     䐀䐀倀ⴀ㔀㄀㘀     一攀瘀攀爀                 䄀氀攀砀 䴀挀䬀攀渀稀椀攀 69 BBN(TENEX-A) PDP-10 Server Dan Murphy਀ ㄀㌀㌀     䈀䈀一⠀吀䔀一䔀堀ⴀ䈀⤀ 倀䐀倀ⴀ㄀　      匀攀爀瘀攀爀⠀䔀砀瀀攀爀⸀⤀        䐀愀渀 䴀甀爀瀀栀礀 6 MIT(Multics) H-645 Server Mike Padlipsky਀  㜀　     䴀䤀吀⠀䐀䴀⤀      倀䐀倀ⴀ㄀　      匀攀爀瘀攀爀                䈀漀戀 䈀爀攀猀猀氀攀爀 134 MIT(AI) PDP-10 Server Jeff Rubin਀  ⨀㜀     刀䄀一䐀         䤀䈀䴀ⴀ㌀㘀　⼀㘀㔀  唀猀攀爀 伀渀氀礀             䔀爀椀挀 䠀愀爀猀氀攀洀 71 RAND PDP-10 Server Eric Harslem਀   㠀     匀䐀䌀          䤀䈀䴀ⴀ㌀㜀　⼀㄀㔀㔀 匀攀爀瘀攀爀                䈀漀戀 䰀漀渀最 9 HARVARD PDP-10 Server Bob Sundberg਀ ⨀㜀㌀     䠀䄀刀嘀䄀刀䐀      倀䐀倀ⴀ㄀       唀猀攀爀 伀渀氀礀             䈀漀戀 匀甀渀搀戀攀爀最 10 LINCOLN IBM-360/67 "Soon" Joel Winett਀  㜀㐀     䰀䤀一䌀伀䰀一      吀堀ⴀ㈀        匀攀爀瘀攀爀                圀椀氀氀 䬀愀渀琀爀漀眀椀琀稀 11 STANFORD PDP-10 Server Andy Moorer਀ ⨀㄀㈀     䤀䰀䰀䤀一伀䤀匀     倀䐀倀ⴀ㄀㄀      唀猀攀爀 伀渀氀礀             䨀漀栀渀 䌀爀愀瘀椀琀猀 *13 CASE PDP-10 June Charles Rose਀  ㄀㐀     䌀䄀刀一䔀䜀䤀䔀     倀䐀倀ⴀ㄀　      匀攀爀瘀攀爀                䠀愀氀 嘀愀渀娀漀攀爀攀渀 15 AMES ILLIAC Server John McConnell਀                      ⠀䈀㘀㔀　　⤀ 16 AMES IBM-360/67 "Soon" Wayne Hathaway਀⨀㄀㐀㐀     䄀䴀䔀匀         吀䤀倀         唀猀攀爀 伀渀氀礀 *145 MITRE TIP User Only਀ ⨀㄀㤀     一䈀匀          倀䐀倀ⴀ㄀㄀      唀猀攀爀 伀渀氀礀             刀漀戀攀爀琀 刀漀猀攀渀琀栀愀氀 *147 NBS TIP User Only਀⨀㄀㐀㠀     䔀吀䄀䌀         吀䤀倀         唀猀攀爀 伀渀氀礀 *23 USC IBM-360/44 User Now James Pepin਀⨀㄀㔀㄀     唀匀䌀          吀䤀倀         唀猀攀爀 伀渀氀礀 *152 GWC TIP User Only਀⨀㄀㔀㠀     䈀䈀一          吀䤀倀         唀猀攀爀 伀渀氀礀 (Prototype)਀开开开开开开开开开开开开开开 *Host not included in daily testing.਀⌀吀栀攀 一䴀䌀 椀猀 愀 爀攀猀攀愀爀挀栀 猀椀琀攀 愀渀搀 眀漀甀氀搀 氀椀欀攀 琀漀 栀愀瘀攀 瀀爀椀漀爀 愀爀爀愀渀最攀洀攀渀琀 with each user.਀ ਀ ਀ ਀ [Page 2]਀ ਀匀䤀吀䔀 NO. SITE DATE AND TIME (EASTERN)਀ⴀⴀⴀⴀ     ⴀⴀⴀⴀ                      ⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀ 5/8 5/9 5/10 5/11 5/12 5/16 5/17 5/18 5/19਀                    ㄀㘀㌀　  ㄀㌀　　  ㄀㜀㌀　  ㄀㘀㌀　  ㄀㌀　　  ㄀㌀　　  ㄀㘀　　  ㄀㐀　　  ㄀㌀　　 1 UCLA-NMC T D O H H D O O O਀ 㘀㔀     唀䌀䰀䄀ⴀ䌀䌀一⨀     伀     伀     伀     伀     伀     伀     伀     伀     伀 2 SRI-ARC O O D O O O O O O਀ 㘀㘀     匀刀䤀ⴀ䄀䤀        䐀     䐀     䐀     䐀     䐀     䐀     䐀     䐀     䐀 3 UCSB-MOD75 O O O O O O O O O਀  㐀     唀吀䄀䠀ⴀ㄀　       伀     伀     䠀     伀     䐀     伀     䐀     伀     伀 69 BBN-TENEX O O O O O O O O O਀㄀㌀㌀     䈀䈀一ⴀ吀䔀一䔀堀䈀   ⌀吀     伀    ⌀吀    ⌀吀    ⌀吀    ⌀吀    ⌀䐀     伀     伀 6 MIT-MULTICS O D O O O O O D H਀ 㜀　     䴀䤀吀ⴀ䐀䴀䌀䜀      䘀     伀     伀     伀     伀     䘀     伀     䘀     伀 134 MIT-AI T H H H H H H H H਀ 㜀㄀     刀䄀一䐀ⴀ䌀匀䜀      䐀     䠀     伀     伀     伀     伀     䐀     䐀     䐀 8 SDC-ADEPT D #D D D D #D #D #D #D਀  㤀     䠀䄀刀嘀䄀刀䐀ⴀ㄀　    伀     伀    ⌀䐀     伀     伀     伀     伀     伀     伀 10 L.L.-360 T D D D H D H H H਀ 㜀㐀     䰀⸀䰀⸀ⴀ吀堀ⴀ㈀     吀     䐀     伀     伀     伀     䐀    ⌀䐀     伀     刀 11 STANFORD-AI T D D T T H D D D਀ ㄀㐀     䌀䴀唀ⴀ㄀　        䐀     䐀     伀     伀     伀     伀     伀     伀     伀 15 AMES-ILLIAC D D T T D D T T T਀ ㄀㘀     䄀䴀䔀匀ⴀ㘀㜀       䐀     䐀     䐀     䐀     䐀     䐀     䐀     䐀     䐀 where਀䐀 㴀 䐀攀愀搀 ⠀䐀攀猀琀椀渀愀琀椀漀渀 䠀漀猀琀 攀椀琀栀攀爀 搀攀愀搀 漀爀 椀渀愀挀挀攀猀猀椀戀氀攀 嬀搀甀攀 琀漀 渀攀琀眀漀爀欀 partitioning or local IMP failure] from the BBN Terminal IMP.)਀ F = Full (Destination Host opened a connection, informed user that all਀    一攀琀眀漀爀欀 瀀漀爀琀猀 眀攀爀攀 椀渀 甀猀攀Ⰰ 愀渀搀 椀洀洀攀搀椀愀琀攀氀礀 挀氀漀猀攀搀 琀栀攀 挀漀渀渀攀挀琀椀漀渀⸀⤀ ਀䠀 㴀 ㄀⼀㈀ 伀瀀攀渀 ⠀䐀攀猀琀椀渀愀琀椀漀渀 䠀漀猀琀 漀瀀攀渀攀搀 愀 挀漀渀渀攀挀琀椀漀渀 戀甀琀 琀栀攀渀 攀椀琀栀攀爀 immediately closed it, or did not respond any further.)਀ O = Open (Destination Host opened a connection and was accessible to਀    甀猀攀爀猀⸀⤀ ਀刀 㴀 刀攀昀甀猀攀搀 ⠀䐀攀猀琀椀渀愀琀椀漀渀 䠀漀猀琀 爀攀琀甀爀渀攀搀 愀 䌀䰀匀 琀漀 琀栀攀 椀渀椀琀椀愀氀 刀䘀䌀⸀⤀ ਀吀 㴀 吀椀洀攀搀 漀甀琀 ⠀䐀攀猀琀椀渀愀琀椀漀渀 䠀漀猀琀 搀椀搀 渀漀琀 挀漀洀瀀氀攀琀攀 琀栀攀 䤀䌀倀 愀渀搀 漀瀀攀渀 愀 connection with 60 seconds.)਀ ਀ ਀ ਀ ਀ ਀                                                                嬀倀愀最攀 ㌀崀 ਀ _______________਀   ⨀ 吀栀攀 漀渀氀礀 猀攀爀瘀椀挀攀 挀甀爀爀攀渀琀氀礀 漀昀昀攀爀攀搀 戀礀 琀栀攀 唀䌀䰀䄀 䤀䈀䴀ⴀ㌀㘀　⼀㤀㄀ 椀猀 愀 Network Job Service (NETRJS), however, the BBN Terminal IMP is not਀      攀焀甀椀瀀瀀攀搀 琀漀 琀攀猀琀 ⠀一䔀吀刀䨀匀⤀⸀  圀攀 愀爀攀 愀猀猀甀洀椀渀最 琀栀愀琀 椀渀椀琀椀愀氀 connection to the NETRJS logger indicates that NETRJS is also਀      昀甀渀挀琀椀漀渀椀渀最⸀ # These sites advertise that they may not have their system available਀      愀琀 琀栀攀猀攀 琀椀洀攀猀⸀ ਀ [This RFC was put into machine readable form for entry]਀       嬀椀渀琀漀 琀栀攀 漀渀氀椀渀攀 刀䘀䌀 愀爀挀栀椀瘀攀猀 戀礀 䈀䈀一 䌀漀爀瀀⸀ 䄀氀攀砀 䴀挀䬀攀渀稀椀攀 ㄀㈀⼀㤀㘀崀 ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ [Page 4]਀ ------------------------------------------------------------------------਀ Network Working Group Ellen Westheimer਀一䤀䌀 ⌀㄀　㐀㈀㄀                                       䈀䈀一 RFC #342 15 May 1972਀䌀愀琀攀最漀爀椀攀猀㨀  䘀⸀ 䜀⸀㌀ Updates: RFC #332਀伀戀猀漀氀攀琀攀猀㨀  一漀渀攀 ਀                          一䔀吀圀伀刀䬀 䠀伀匀吀 匀吀䄀吀唀匀 ਀        吀栀椀猀 刀䘀䌀 爀攀瀀漀爀琀猀 漀渀 琀栀攀 猀琀愀琀甀猀 漀昀 洀漀猀琀 一攀琀眀漀爀欀 䠀漀猀琀猀 昀爀漀洀 䄀瀀爀椀氀 24 to May 5. During this interval the IBM 360/44 at the University਀   漀昀 匀漀甀琀栀攀爀渀 䌀愀氀椀昀漀爀渀椀愀 ⠀一攀琀眀漀爀欀 䄀搀搀爀攀猀猀 ㈀㌀⤀ 戀攀挀愀洀攀 愀 一攀琀眀漀爀欀 甀猀攀爀⸀ ਀        匀攀瘀攀爀愀氀 䠀漀猀琀猀 愀爀攀 挀甀爀爀攀渀琀氀礀 攀砀挀氀甀搀攀搀 昀爀漀洀 琀栀攀 搀愀椀氀礀 琀攀猀琀椀渀最⸀ These Hosts fall into two categories:਀ 1) Hosts which are not expected to be functioning on the Network਀   愀猀 猀攀爀瘀攀爀猀 ⠀愀瘀愀椀氀愀戀氀攀 昀漀爀 甀猀攀 昀爀漀洀 漀琀栀攀爀 猀椀琀攀猀⤀ 漀渀 愀 爀攀最甀氀愀爀 戀愀猀椀猀 for at least two weeks. Included here are:਀ Network਀         䄀搀搀爀攀猀猀              匀椀琀攀               䌀漀洀瀀甀琀攀爀 ------- ---- --------਀           ㄀㌀㐀               䴀䤀吀ⴀ䄀䤀              倀䐀倀ⴀ㄀　 13 Case PDP-10਀ 2) Hosts which are currently intended to be users only.਀   䤀渀挀氀甀搀攀搀 栀攀爀攀 愀爀攀 琀栀攀 吀攀爀洀椀渀愀氀 䤀䴀倀猀Ⰰ 眀栀椀挀栀 愀爀攀 瀀爀攀猀攀渀琀氀礀 椀渀 琀栀攀 Network (AMES, MITRE, NBS, ETAC, USC, GWC, and BBN*). This category਀   愀氀猀漀 椀渀挀氀甀搀攀猀 琀栀攀 一攀琀眀漀爀欀 䌀漀渀琀爀漀氀 䌀攀渀琀攀爀 挀漀洀瀀甀琀攀爀 ⠀一攀琀眀漀爀欀 䄀搀搀爀攀猀猀 㔀⤀ which is used solely for gathering statistics from the Network.਀   䘀椀渀愀氀氀礀Ⰰ 椀渀挀氀甀搀攀搀 愀洀漀渀最 琀栀攀猀攀 䠀漀猀琀猀 愀爀攀 琀栀攀 昀漀氀氀漀眀椀渀最㨀 ਀         一攀琀眀漀爀欀 Address Site Computer਀         ⴀⴀⴀⴀⴀⴀⴀ              ⴀⴀⴀⴀ               ⴀⴀⴀⴀⴀⴀⴀⴀ 7 Rand IBM-360/65਀            㜀㌀               䠀愀爀瘀愀爀搀             倀䐀倀ⴀ㄀ 12 Illinois PDP-11਀            ㄀㤀               一䈀匀                 倀䐀倀ⴀ㄀㄀ 23 USC IBM-360/44਀ The tables on the next two pages summarize the Host status for਀   琀栀椀猀 瀀攀爀椀漀搀⸀ _____________਀   ⨀吀栀攀 䈀䈀一 吀攀爀洀椀渀愀氀 䤀䴀倀 ⠀一攀琀眀漀爀欀 䄀搀搀爀攀猀猀 ㄀㔀㠀⤀ 椀猀 愀 瀀爀漀琀漀琀礀瀀攀 愀渀搀 愀猀 猀甀挀栀 is frequently not connected to the Network, but being used to refine਀   愀渀搀 搀攀戀甀最 琀栀攀 吀攀爀洀椀渀愀氀 䤀䴀倀 瀀爀漀最爀愀洀猀⸀ ਀ ਀ [Page 1]਀ ਀匀䤀吀䔀 NO. SITE DATE AND TIME (EASTERN)਀ⴀⴀⴀⴀ    ⴀⴀⴀⴀ                         ⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀ 4/24 4/25 4/26 4/27 4/28 5/1 5/2 5/3 5/4 5/5਀                    ㄀㜀　　  ㄀㘀　　  ㄀㌀　　  ㄀㐀㌀　  ㄀㜀　　  ㄀㌀　　  ㄀㌀　　  ㄀㜀　　  ㄀㐀㌀　  ㄀㐀㌀　 1 UCLA-NMC O O D O O O O O O O਀ 㘀㔀    唀䌀䰀䄀ⴀ䌀䌀一⨀      伀     伀     䐀     伀     伀     䐀     伀     伀     伀     伀 2 SRI-ARC O O O O O O T D O O਀ 㘀㘀    匀刀䤀ⴀ䄀䤀         䐀     䐀     䐀     䐀     䐀     伀     䐀     䐀     䐀     䐀 3 UCSB-MOD75 O H O O O O O O O O਀  㐀    唀吀䄀䠀 ⴀ㄀　       伀     䐀     伀     䐀     吀     吀     伀     吀     吀     伀 69 BBN-TENEX O O T T O O O O O O਀㄀㌀㌀    䈀䈀一ⴀ吀䔀一䔀堀䈀    ⌀䐀    ⌀䐀    ⌀䐀    ⌀䐀    ⌀䐀    ⌀䐀    ⌀䐀    ⌀䐀    ⌀䐀     吀 6 MIT-MULTICS R D O O O O D O D O਀ 㜀　    䴀䤀吀ⴀ䐀䴀䌀䜀       伀     伀     䘀     䘀     伀     䘀     伀     伀     伀     䘀 71 RAND-CSG O O O T O #O! D O O O਀  㠀    匀䐀䌀ⴀ䄀䐀䔀倀吀      䐀    ⌀䐀    ⌀䐀    ⌀䐀     䐀    ⌀䐀     䐀    ⌀䐀     䐀    ⌀䐀 9 HARVARD-10 O O O O O O O O #D D਀ ㄀　    䰀⸀䰀⸀ⴀ㌀㘀　       䐀     䐀     䐀     䠀     䠀     䐀     䐀     䠀     䐀     䐀 74 L.L-TX-2 O T #D O O O O #D O O਀ ㄀㄀    匀吀䄀一䘀伀刀䐀ⴀ䄀䤀    䐀     䐀     䐀     䐀     䐀     䐀     䐀     吀     䐀     䐀 14 CMU-10 O O D O D D D D O O਀ ㄀㔀    䄀䴀䔀匀ⴀ䤀䰀䰀䤀䄀䌀    吀     䐀     吀     吀     䐀     吀     吀     吀     䐀     吀 16 AMES-67 D D D D D D D D D D਀ where਀䐀 㴀 䐀攀愀搀 ⠀䐀攀猀琀椀渀愀琀椀漀渀 䠀漀猀琀 攀椀琀栀攀爀 搀攀愀搀 漀爀 椀渀愀挀挀攀猀猀椀戀氀攀 嬀搀甀攀 琀漀 渀攀琀眀漀爀欀 partitioning or local IMP failure] from the BBN Terminal IMP.)਀ F = Full (Destination Host opened a connection, informed user that all਀    一攀琀眀漀爀欀 瀀漀爀琀猀 眀攀爀攀 椀渀 甀猀攀Ⰰ 愀渀搀 椀洀洀攀搀椀愀琀攀氀礀 挀氀漀猀攀搀 琀栀攀 挀漀渀渀攀挀琀椀漀渀⸀ ਀䠀 㴀 ㄀⼀㈀ 伀瀀攀渀 ⠀䐀攀猀琀椀渀愀琀椀漀渀 䠀漀猀琀 漀瀀攀渀攀搀 愀 挀漀渀渀攀挀琀椀漀渀 戀甀琀 琀栀攀渀 攀椀琀栀攀爀 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਀    挀漀渀渀攀挀琀椀漀渀 眀椀琀栀椀渀 㘀　 猀攀挀漀渀搀猀⸀⤀ ____________਀⨀吀栀攀 漀渀氀礀 猀攀爀瘀椀挀攀 挀甀爀爀攀渀琀氀礀 漀昀昀攀爀攀搀 戀礀 琀栀攀 唀䌀䰀䄀 䤀䈀䴀ⴀ㌀㘀　⼀㤀㄀ 椀猀 愀 一攀琀眀漀爀欀 䨀漀戀 Service (NETRJS), however, the BBN Terminal IMP is not equipped to test਀ 一䔀吀刀䨀匀⸀  圀攀 愀爀攀 愀猀猀甀洀椀渀最 琀栀愀琀 椀渀椀琀椀愀氀 挀漀渀渀攀挀琀椀漀渀 琀漀 琀栀攀 一䔀吀刀䨀匀 氀漀最最攀爀 indicates that NETRJS is also functioning.਀⌀吀栀攀猀攀 猀椀琀攀猀 愀搀瘀攀爀琀椀猀攀 琀栀愀琀 琀栀攀礀 洀愀礀 渀漀琀 栀愀瘀攀 琀栀攀椀爀 猀礀猀琀攀洀 愀瘀愀椀氀愀戀氀攀 愀琀 these times.਀℀刀愀渀搀 漀瀀攀渀攀搀 愀 挀漀渀渀攀挀琀椀漀渀 戀甀琀 爀攀焀甀攀猀琀攀搀 甀猀攀爀猀 琀漀 氀漀最漀甀琀 椀洀洀攀搀椀愀琀攀氀礀⸀ ਀ ਀                                                                嬀倀愀最攀 ㈀崀 ਀ "STATUS OR਀ 匀䤀吀䔀                                                      倀刀䔀䐀䤀䌀吀䤀伀一匀∀ ADDRESS SITE COMPUTER STATUS OR PREDICTION OBTAINED FROM਀ⴀⴀⴀⴀⴀⴀⴀ  ⴀⴀⴀⴀ         ⴀⴀⴀⴀⴀⴀⴀⴀ     ⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀ    ⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀ ਀   ㄀     唀䌀䰀䄀         匀䤀䜀䴀䄀ⴀ㜀      匀攀爀瘀攀爀 ⌀䰀椀洀椀琀攀搀         䨀漀渀 倀漀猀琀攀氀 65 UCLA IBM-360/91 NETRJS now Bob Braden਀                                   ⠀吀攀氀渀攀琀 椀渀 䨀甀渀攀⤀ 2 SRI(NIC) PDP-10 Server Jim White਀  㘀㘀     匀刀䤀⠀䄀䤀⤀      倀䐀倀ⴀ㄀　       匀攀爀瘀攀爀                  䰀攀渀 䌀栀愀椀琀攀渀 3 UCSB IBM-360/75 Server Ron Stoughton਀   㐀     唀吀䄀䠀         倀䐀倀ⴀ㄀　       匀攀爀瘀攀爀                  䈀愀爀爀礀 圀攀猀猀氀攀爀 *5 BBN(NCC) DDP-516 Never Alex McKenzie਀  㘀㤀     䈀䈀一⠀吀䔀一䔀堀䄀⤀  倀䐀倀ⴀ㄀　       匀攀爀瘀攀爀                  䐀愀渀 䴀甀爀瀀栀礀 133 BBN(TENEXB) PDP-10 Server(Exper.) Dan Murphy਀   㘀     䴀䤀吀⠀䴀甀氀琀椀挀猀⤀ 䠀ⴀ㘀㐀㔀        匀攀爀瘀攀爀                  䴀椀欀攀 倀愀搀氀椀瀀猀欀礀 70 MIT(DM) PDP-10 Server Bob Bressler਀⨀㄀㌀㐀     䴀䤀吀⠀䄀䤀⤀      倀䐀倀ⴀ㄀　       唀猀攀爀 一漀眀                䨀攀昀昀 刀甀戀椀渀 *7 RAND IBM-370/65 User Only Eric Harslem਀  㜀㄀     刀䄀一䐀         倀䐀倀ⴀ㄀　       匀攀爀瘀攀爀                  䔀爀椀挀 䠀愀爀猀氀攀洀 8 SDC IBM-370/155 Server Bob Long਀   㤀     䠀䄀刀嘀䄀刀䐀      倀䐀倀ⴀ㄀　       匀攀爀瘀攀爀                  䈀漀戀 匀甀渀搀戀攀爀最 *73 HARVARD PDP-1 User Only Bob Sundberg਀  ㄀　     䰀䤀一䌀伀䰀一      䤀䈀䴀ⴀ㌀㘀　⼀㘀㜀   ∀匀漀漀渀∀                  䨀漀攀氀 圀椀渀攀琀琀 74 LINCOLN TX-2 Server Will Kantrowitz਀  ㄀㄀     匀吀䄀一䘀伀刀䐀     倀䐀倀ⴀ㄀　       ∀匀漀漀渀∀                  䄀渀搀礀 䴀漀漀爀攀爀 *12 ILLINOIS PDP-11 User Only John Cravits਀ ⨀㄀㌀     䌀䄀匀䔀         倀䐀倀ⴀ㄀　       䨀甀渀攀                    䌀栀愀爀氀攀猀 刀漀猀攀 14 CARNEGIE PDP-10 "Soon" Hal VanZoeren਀  ㄀㔀     䄀䴀䔀匀         䤀䰀䰀䤀䄀䌀       匀攀爀瘀攀爀                  䨀漀栀渀 䴀挀䌀漀渀渀攀氀氀 (B6500)਀  ㄀㘀     䄀䴀䔀匀         䤀䈀䴀ⴀ㌀㘀　⼀㘀㜀   ∀匀漀漀渀∀                  圀愀礀渀攀 䠀愀琀栀愀眀愀礀 *144 AMES TIP User Only਀⨀㄀㐀㔀     䴀䤀吀刀䔀        吀䤀倀          唀猀攀爀 伀渀氀礀 *19 NBS PDP-11 User Only Robert Rosenthal਀⨀㄀㐀㜀     一䈀匀          吀䤀倀          唀猀攀爀 伀渀氀礀 *148 ETAC TIP User Only਀ ⨀㈀㌀     唀匀䌀          䤀䈀䴀ⴀ㌀㘀　⼀㐀㐀   唀猀攀爀 一漀眀                䨀愀洀攀猀 倀攀瀀椀渀 *151 USC TIP User Only਀⨀㄀㔀㈀     䜀圀䌀          吀䤀倀          唀猀攀爀 伀渀氀礀 *158 BBN TIP User Only਀                      ⠀倀爀漀琀漀琀礀瀀攀⤀ ________________਀⨀䠀漀猀琀 渀漀琀 椀渀挀氀甀搀攀搀 椀渀 搀愀椀氀礀 琀攀猀琀椀渀最⸀ ਀⌀吀栀攀 一䴀䌀 椀猀 愀 爀攀猀攀愀爀挀栀 猀椀琀攀 愀渀搀 眀漀甀氀搀 氀椀欀攀 琀漀 栀愀瘀攀 瀀爀椀漀爀 愀爀爀愀渀最攀洀攀渀琀 with each user.਀ ਀ ਀ [Page 3]਀ ਀       嬀 吀栀椀猀 刀䘀䌀 眀愀猀 瀀甀琀 椀渀琀漀 洀愀挀栀椀渀攀 爀攀愀搀愀戀氀攀 昀漀爀洀 昀漀爀 攀渀琀爀礀 崀 [ into the online RFC archives by BBN Corp. under the ]਀       嬀 搀椀爀攀挀琀椀漀渀 漀昀 䄀氀攀砀 䴀挀䬀攀渀稀椀攀⸀                   ㄀㈀⼀㤀㘀   崀 ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀                                                                嬀倀愀最攀 㐀崀 ਀ⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀ ਀一攀琀眀漀爀欀 圀漀爀欀椀渀最 䜀爀漀甀瀀                            䔀氀氀攀渀 圀攀猀琀栀攀椀洀攀爀 NIC #9925 BBN਀刀䘀䌀 ⌀㌀㌀㈀                                         ㈀㔀 䄀瀀爀椀氀 ㄀㤀㜀㈀ Categories: F, G.3਀唀瀀搀愀琀攀猀㨀  刀䘀䌀 ⌀㌀㌀　 Obsoletes: None਀ NETWORK HOST STATUS਀ This RFC reports on the status of most Network Hosts from April਀㄀　 琀漀 䄀瀀爀椀氀 ㈀㄀⸀  䐀甀爀椀渀最 琀栀椀猀 椀渀琀攀爀瘀愀氀 琀栀攀 䤀䈀䴀 ㌀㘀　⼀㐀㐀 愀琀 琀栀攀 唀渀椀瘀攀爀猀椀琀礀 of Southern California (Network Address 23) was connected to the਀一攀琀眀漀爀欀㬀 愀氀猀漀Ⰰ 愀 吀攀爀洀椀渀愀氀 䤀䴀倀 眀愀猀 椀渀猀琀愀氀氀攀搀 椀渀 伀洀愀栀愀Ⰰ 一攀戀爀愀猀欀愀 愀琀 Global Weather Central (Network Address 152) on April 18.਀ Several Hosts are currently excluded from the daily testing.਀吀栀攀猀攀 䠀漀猀琀猀 昀愀氀氀 椀渀琀漀 琀眀漀 挀愀琀攀最漀爀椀攀猀㨀 ਀㄀⤀ 䠀漀猀琀猀 眀栀椀挀栀 愀爀攀 渀漀琀 攀砀瀀攀挀琀攀搀 琀漀 戀攀 昀甀渀挀琀椀漀渀椀渀最 漀渀 琀栀攀 一攀琀眀漀爀欀 愀猀 servers (available for use from other sites) on a regular basis for at਀氀攀愀猀琀 琀眀漀 眀攀攀欀猀⸀  䤀渀挀氀甀搀攀搀 栀攀爀攀 愀爀攀㨀 Network਀         䄀搀搀爀攀猀猀              匀椀琀攀                䌀漀洀瀀甀琀攀爀 ------- ---- --------਀           ㄀㌀㐀               䴀䤀吀ⴀ䄀䤀               倀䐀倀ⴀ㄀　 13 Case PDP-10਀ 2) Hosts which are currently intended to be users only. Included here਀愀爀攀 琀栀攀 吀攀爀洀椀渀愀氀 䤀䴀倀猀Ⰰ 眀栀椀挀栀 愀爀攀 瀀爀攀猀攀渀琀氀礀 椀渀 琀栀攀 一攀琀眀漀爀欀 ⠀䄀䴀䔀匀Ⰰ MITRE, NBS, ETAC, USC, GWC, and BBN*). This category also includes਀琀栀攀 一攀琀眀漀爀欀 䌀漀渀琀爀漀氀 䌀攀渀琀攀爀 挀漀洀瀀甀琀攀爀 ⠀一攀琀眀漀爀欀 䄀搀搀爀攀猀猀 㔀⤀ 眀栀椀挀栀 椀猀 甀猀攀搀 solely for gathering statistics from the Network. Finally, included਀愀洀漀渀最 琀栀攀猀攀 䠀漀猀琀猀 愀爀攀 琀栀攀 昀漀氀氀漀眀椀渀最㨀 Network਀         䄀搀搀爀攀猀猀              匀椀琀攀                䌀漀洀瀀甀琀攀爀 ------- ---- --------਀             㜀               刀愀渀搀                 䤀䈀䴀ⴀ㌀㘀　⼀㘀㔀 73 Harvard PDP-1਀            ㄀㈀               䤀氀氀椀渀漀椀猀             倀䐀倀ⴀ㄀㄀ 19 NBS PDP-11਀            ㈀㌀               唀匀䌀                  䤀䈀䴀ⴀ㌀㘀　⼀㐀㐀 ਀     吀栀攀 琀愀戀氀攀猀 漀渀 琀栀攀 渀攀砀琀 琀眀漀 瀀愀最攀猀 猀甀洀洀愀爀椀稀攀 琀栀攀 䠀漀猀琀 猀琀愀琀甀猀 昀漀爀 this period.਀开开开开开开开开开开开开开开开开 *The BBN Terminal IMP (Network Address 158) is a prototype and as such਀椀猀 昀爀攀焀甀攀渀琀氀礀 渀漀琀 挀漀渀渀攀挀琀攀搀 琀漀 琀栀攀 一攀琀眀漀爀欀Ⰰ 戀甀琀 戀攀椀渀最 甀猀攀搀 琀漀 爀攀昀椀渀攀 and debug the Terminal IMP programs.਀ ਀ [Page 1]਀ ਀                                                             ∀匀吀䄀吀唀匀 伀刀 SITE PREDICTIONS"਀䄀䐀䐀刀䔀匀匀  匀䤀吀䔀         䌀伀䴀倀唀吀䔀刀      匀吀䄀吀唀匀 伀刀 倀刀䔀䐀䤀䌀吀䤀伀一     伀䈀吀䄀䤀一䔀䐀 䘀刀伀䴀 ------- ---- -------- -------------------- -------------਀ 1 UCLA SIGMA-7 Server # Limited Jon Postel਀  㘀㔀     唀䌀䰀䄀         䤀䈀䴀ⴀ㌀㘀　⼀㤀㄀    一䔀吀刀䨀匀 渀漀眀               䈀漀戀 䈀爀愀搀攀渀 (Telnet in April)਀   ㈀     匀刀䤀⠀一䤀䌀⤀     倀䐀倀ⴀ㄀　        匀攀爀瘀攀爀                   䨀漀栀渀 䴀攀氀瘀椀渀 66 SRI(AI) PDP-10 Server Len Chaiten਀   ㌀     唀䌀匀䈀         䤀䈀䴀ⴀ㌀㘀　⼀㜀㔀    匀攀爀瘀攀爀                   䨀椀洀 圀栀椀琀攀 4 UTAH PDP-10 Server Barry Wessler਀  ⨀㔀     䈀䈀一⠀一䌀䌀⤀     䐀䐀倀ⴀ㔀㄀㘀       一攀瘀攀爀                    䄀氀攀砀 䴀挀䬀攀渀稀椀攀 69 BBN(TENEXA) PDP-10 Server Dan Murphy਀ ㄀㌀㌀     䈀䈀一⠀吀䔀一䔀堀䈀⤀  倀䐀倀ⴀ㄀　        匀攀爀瘀攀爀 ⠀䔀砀瀀攀爀⸀⤀          䐀愀渀 䴀甀爀瀀栀礀 6 MIT(Multics) H-645 Server Mike Padlipsky਀  㜀　     䴀䤀吀⠀䐀䴀⤀      倀䐀倀ⴀ㄀　        匀攀爀瘀攀爀                   䈀漀戀 䈀爀攀猀猀氀攀爀 *134 MIT(AI) PDP-10 User Now Jeff Rubin਀  ⨀㜀     刀䄀一䐀         䤀䈀䴀ⴀ㌀㘀　⼀㘀㔀    唀猀攀爀 伀渀氀礀                䔀爀椀挀 䠀愀爀猀氀攀洀 71 RAND PDP-10 Server Eric Harslem਀  ⨀㠀     匀䐀䌀          䤀䈀䴀ⴀ㌀㘀　⼀㄀㔀㔀   匀攀爀瘀攀爀                   䈀漀戀 䰀漀渀最 9 HARVARD PDP-10 Server Bob Sundberg਀ ⨀㜀㌀     䠀䄀刀嘀䄀刀䐀      倀䐀倀ⴀ㄀         匀攀爀瘀攀爀                   䈀漀戀 匀甀渀搀戀攀爀最 10 LINCOLN IBM-360/67 "Soon" Joel Winett਀  㜀㐀     䰀䤀一䌀伀䰀一      吀堀ⴀ㈀          匀攀爀瘀攀爀                   圀椀氀氀 䬀愀渀琀爀漀眀椀琀稀 11 STANFORD PDP-10 "Soon" Andy Moorer਀ ⨀㄀㈀     䤀䰀䰀䤀一伀䤀匀     倀䐀倀ⴀ㄀㄀        唀猀攀爀 伀渀氀礀                䨀漀栀渀 䌀爀愀瘀椀琀猀 *13 CASE PDP-10 June Charles Rose਀  ㄀㐀     䌀䄀刀一䔀䜀䤀䔀     倀䐀倀ⴀ㄀　        ∀匀漀漀渀∀                   䠀愀氀 嘀愀渀娀漀攀爀攀渀 *15 AMES ILLIAC Server John McConnell਀                      ⠀䈀㘀㔀　　⤀ 16 AMES IBM-360/67 "Soon" Wayne Hathaway਀⨀㄀㐀㐀     䄀䴀䔀匀         吀䤀倀           唀猀攀爀 伀渀氀礀 *145 MITRE TIP User Only਀ ⨀㄀㤀     一䈀匀          倀䐀倀ⴀ㄀㄀        唀猀攀爀 伀渀氀礀                刀漀戀攀爀琀 刀漀猀攀渀琀栀愀氀 *147 NBS TIP User Only਀⨀㄀㐀㠀     䔀吀䄀䌀         吀䤀倀           唀猀攀爀 伀渀氀礀 USC IBM-360/44 "Soon"਀⨀㄀㔀㄀     唀匀䌀          吀䤀倀           唀猀攀爀 伀渀氀礀 *152 GWC TIP User Only਀⨀㄀㔀㠀     䈀䈀一          吀䤀倀           唀猀攀爀 伀渀氀礀 (Prototype)਀开开开开开开开开开开开开开开开开开开开开开 *Host not included in daily testing.਀⌀吀栀攀 一䴀䌀 椀猀 愀 爀攀猀攀愀爀挀栀 猀椀琀攀 愀渀搀 眀漀甀氀搀 氀椀欀攀 琀漀 栀愀瘀攀 瀀爀椀漀爀 愀爀爀愀渀最攀洀攀渀琀 with each user.਀ ਀ ਀ [Page 2]਀ ਀匀䤀吀䔀 NO. SITE DATE AND TIME (EASTERN)਀ⴀⴀⴀⴀ   ⴀⴀⴀⴀ                          ⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀ 4/10 4/11 4/12 4/13 4/14 4/17 4/18 4/19 4/20 4/21਀                    ㄀㐀　　  ㄀㜀　　  ㄀㘀㌀　  ㄀㐀　　  ㄀㘀㌀　  ㄀㌀㌀　  ㄀㐀　　  ㄀㘀㌀　  ㄀㜀　　  ㄀㌀　　 1 UCLA-NMC O O T O O D O O T O਀ 㘀㔀    唀䌀䰀䄀ⴀ䌀䌀一       伀     伀     伀     伀     伀     䐀     伀     伀     䐀     䐀 2 SRI-ARC H D D D D O D O O D਀ 㘀㘀    匀刀䤀ⴀ䄀䤀         伀     䐀     䐀     䐀     伀     伀     伀     䐀     伀     䐀 3 UCSB-MOD75 O O O O O O O O O O਀  㐀    唀吀䄀䠀ⴀ㄀　        伀     伀     吀     䐀     伀     伀     䐀     䐀     伀     伀 69 BBN-TENEX O O O D O O D T O O਀㄀㌀㌀    䈀䈀一ⴀ吀䔀一䔀堀䈀    ⌀䐀    ⌀䐀    ⌀䐀    ⌀䐀    ⌀䐀    ⌀䐀    ⌀䐀    ⌀䐀    ⌀䐀    ⌀䐀 6 MIT-MULTICS D O O O O O R O O D਀ 㜀　    䴀䤀吀ⴀ䐀䴀䌀䜀       䘀     伀     伀     䘀     伀     吀     䘀     伀     伀     䘀 71 RAND-CSG O D O T O O O H D O਀  㠀    匀䐀䌀ⴀ䄀䐀䔀倀吀     ⌀䐀     䐀     䠀    ⌀䐀    ⌀䐀    ⌀䐀    ⌀䐀    ⌀䐀     䐀    ⌀䐀 9 HARVARD-10 O O O O O D O O D T਀ ㄀　    䰀⸀䰀⸀ⴀ㌀㘀　       䠀     䠀     䠀     䠀     吀     䐀     䐀     䠀     䐀     䐀 74 L.L.-TX-2 O O #D O O O O O O O਀ ㄀㄀    匀吀䄀一䘀伀刀䐀ⴀ䄀䤀    䐀     䐀     䐀     䐀     䐀     䐀     䐀     䐀     䐀     䐀 14 CMU-10 D H O D D D O D O O਀ ㄀㔀    䄀䴀䔀匀ⴀ䤀䰀䰀䤀䄀䌀    伀     吀     吀     吀     吀     䐀     吀     吀     吀     吀 16 AMES-67 D D D D D D D D D D਀ where਀䐀 㴀 䐀攀愀搀 ⠀䐀攀猀琀椀渀愀琀椀漀渀 䠀漀猀琀 攀椀琀栀攀爀 搀攀愀搀 漀爀 椀渀愀挀挀攀猀猀椀戀氀攀 嬀搀甀攀 琀漀 渀攀琀眀漀爀欀 partitioning or local IMP failure] from the BBN Terminal Imp.)਀ F = Full (Destination Host opened a connection, informed user that all਀    一攀琀眀漀爀欀 瀀漀爀琀猀 眀攀爀攀 椀渀 甀猀攀Ⰰ 愀渀搀 椀洀洀攀搀椀愀琀攀氀礀 挀氀漀猀攀搀 琀栀攀 挀漀渀渀攀挀琀椀漀渀⸀⤀ ਀䠀 㴀 ㄀⼀㈀ 伀瀀攀渀 ⠀䐀攀猀琀椀渀愀琀椀漀渀 䠀漀猀琀 漀瀀攀渀攀搀 愀 挀漀渀渀攀挀琀椀漀渀 戀甀琀 琀栀攀渀 攀椀琀栀攀爀 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਀    挀漀渀渀攀挀琀椀漀渀 眀椀琀栀椀渀 㘀　 猀攀挀漀渀搀猀⸀⤀ _______________਀⨀吀栀攀 漀渀氀礀 猀攀爀瘀椀挀攀 挀甀爀爀攀渀琀氀礀 漀昀昀攀爀攀搀 戀礀 琀栀攀 唀䌀䰀䄀 䤀䈀䴀ⴀ㌀㘀　⼀㤀㄀ 椀猀 愀 Network Job Service (NETRJS), however, the BBN Terminal IMP is not਀攀焀甀椀瀀瀀攀搀 琀漀 琀攀猀琀 一䔀吀刀䨀匀⸀  圀攀 愀爀攀 愀猀猀甀洀椀渀最 琀栀愀琀 椀渀椀琀椀愀氀 挀漀渀渀攀挀琀椀漀渀 琀漀 the NETRJS logger indicates that NETRJS is also functioning.਀⌀吀栀攀猀攀 猀椀琀攀猀 愀搀瘀攀爀琀椀猀攀 琀栀愀琀 琀栀攀礀 洀愀礀 渀漀琀 栀愀瘀攀 琀栀攀椀爀 猀礀猀琀攀洀 愀瘀愀椀氀愀戀氀攀 at these times.਀ ਀ [Page 3]਀ ਀       嬀 吀栀椀猀 刀䘀䌀 眀愀猀 瀀甀琀 椀渀琀漀 洀愀挀栀椀渀攀 爀攀愀搀愀戀氀攀 昀漀爀洀 昀漀爀 攀渀琀爀礀 崀 [ into the online RFC archives by BBN Corp. under the ]਀       嬀 搀椀爀攀挀琀椀漀渀 漀昀 䄀氀攀砀 䴀挀䬀攀渀稀椀攀⸀                   ㄀㈀⼀㤀㘀   崀 ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ [Page 4]਀ ------------------------------------------------------------------------਀ Network Working Group Ellen Westheimer਀一䤀䌀 ⌀㤀㤀㈀㌀                                        䈀䈀一 RFC #330 13 April 1972਀䌀愀琀攀最漀爀椀攀猀㨀  䘀Ⰰ 䜀⸀㌀ Updates: RFC #326਀伀戀猀漀氀攀琀攀猀㨀  一漀渀攀 ਀                          一䔀吀圀伀刀䬀 䠀伀匀吀 匀吀䄀吀唀匀 ਀吀栀椀猀 刀䘀䌀 爀攀瀀漀爀琀猀 漀渀 琀栀攀 猀琀愀琀甀猀 漀昀 洀漀猀琀 一攀琀眀漀爀欀 䠀漀猀琀猀 昀爀漀洀 䴀愀爀挀栀 ㈀㜀 琀漀 April 7. During this interval the PDP-10 at Ames which acts as a਀昀爀漀渀琀ⴀ攀渀搀 琀漀 琀栀攀 䤀氀氀椀愀挀 ⠀一攀琀眀漀爀欀 愀搀搀爀攀猀猀 ㄀㔀⤀ 戀攀挀愀洀攀 愀 猀攀爀瘀攀爀⸀ However, this Host will not be available to general use for several਀洀漀渀琀栀猀⸀  䄀氀猀漀 愀 吀攀爀洀椀渀愀氀 䤀䴀倀 眀愀猀 椀渀猀琀愀氀氀攀搀 愀琀 琀栀攀 唀渀椀瘀攀爀猀椀琀礀 漀昀 Southern California (Network Address 23) on March 29.਀ Several Hosts are currently excluded from the daily testing. These਀䠀漀猀琀 昀愀氀氀 椀渀琀漀 琀眀漀 挀愀琀攀最漀爀椀攀猀㨀 ਀㄀⤀ 䠀漀猀琀猀 眀栀椀挀栀 愀爀攀 渀漀琀 攀砀瀀攀挀琀攀搀 琀漀 戀攀 昀甀渀挀琀椀漀渀椀渀最 漀渀 琀栀攀 一攀琀眀漀爀欀 愀猀 servers (available for use from other sites) on a regular basis for at਀氀攀愀猀琀 琀眀漀 眀攀攀欀猀⸀  䤀渀挀氀甀搀攀搀 栀攀爀攀 愀爀攀㨀 Network਀         䄀搀搀爀攀猀猀              匀椀琀攀                䌀漀洀瀀甀琀攀爀 ------- ---- --------਀           ㄀㌀㐀               䴀䤀吀ⴀ䄀䤀               倀䐀倀ⴀ㄀　 13 Case PDP-10਀ 2) Hosts which are currently intended to be users only. Included here਀愀爀攀 琀栀攀 吀攀爀洀椀渀愀氀 䤀䴀倀猀Ⰰ 眀栀椀挀栀 愀爀攀 瀀爀攀猀攀渀琀氀礀 椀渀 琀栀攀 一攀琀眀漀爀欀 ⠀䄀䴀䔀匀Ⰰ MITRE, NBS, ETAC, USC, and BBN*). This category also includes the਀一攀琀眀漀爀欀 䌀漀渀琀爀漀氀 䌀攀渀琀攀爀 挀漀洀瀀甀琀攀爀 ⠀一攀琀眀漀爀欀 䄀搀搀爀攀猀猀 㔀⤀ 眀栀椀挀栀 椀猀 甀猀攀搀 solely for gathering statistics from the Network. Finally, included਀愀洀漀渀最 琀栀攀猀攀 䠀漀猀琀猀 愀爀攀 琀栀攀 昀漀氀氀漀眀椀渀最㨀 Network਀         䄀搀搀爀攀猀猀              匀椀琀攀                䌀漀洀瀀甀琀攀爀 ------- ---- --------਀             㜀              刀愀渀搀                  䤀䈀䴀ⴀ㌀㘀　⼀㘀㔀 73 Harvard PDP-1਀            ㄀㈀              䤀氀氀椀渀漀椀猀              倀䐀倀ⴀ㄀㄀ 19 NBS PDP-11਀ The tables on the next two pages summarize the Host status for this਀瀀攀爀椀漀搀⸀ _______________਀⨀吀栀攀 䈀䈀一 吀攀爀洀椀渀愀氀 䤀䴀倀 ⠀一攀琀眀漀爀欀 䄀搀搀爀攀猀猀 ㄀㔀㠀⤀ 椀猀 愀 瀀爀漀琀漀琀礀瀀攀 愀渀搀 愀猀 such is frequently not connected to the Network, but being used to਀爀攀昀椀渀攀 愀渀搀 搀攀戀甀最 琀栀攀 吀攀爀洀椀渀愀氀 䤀䴀倀 瀀爀漀最爀愀洀猀⸀ ਀ ਀                                                                嬀倀愀最攀 ㄀崀 ਀ SITE਀ 一伀⸀   匀䤀吀䔀                         䐀䄀吀䔀 䄀一䐀 吀䤀䴀䔀 ⠀䔀䄀匀吀䔀刀一⤀ ---- ---- -----------------------਀                    ㌀⼀㈀㜀  ㌀⼀㈀㠀  ㌀⼀㈀㤀  ㌀⼀㌀　  ㌀⼀㌀㄀  㐀⼀㌀   㐀⼀㐀   㐀⼀㔀   㐀⼀㘀   㐀⼀㜀 1430 1400 1600 1500 1300 1700 1200 1730 1630 1330਀  ㄀    唀䌀䰀䄀ⴀ一䴀䌀       伀     䠀     伀     伀     伀     伀    ⌀䐀     伀     伀     伀 65 UCLA-CCN O O O O O O D O O O਀  ㈀    匀刀䤀ⴀ䄀刀䌀        伀     䐀     䐀     伀     伀     伀     伀     伀     伀     伀 66 SRI-AI O D #D D D D O D D D਀  ㌀    唀䌀匀䈀ⴀ䴀伀䐀㜀㔀     伀     伀     伀     伀     伀     伀     伀     伀     吀     伀 4 UTAH-10 O O O O O O O D O O਀ 㘀㤀    䈀䈀一ⴀ吀䔀一䔀堀      伀     伀     伀     伀     伀     伀     伀     伀     伀     伀 133 BBN-TENEXB #D #D #D #D #D #T #T #D #D #T਀  㘀    䴀䤀吀ⴀ䴀甀氀琀椀挀猀    䐀     䠀     吀     䐀     䐀     伀     䐀     伀     伀     伀 70 MIT-DMCG O O O O O H T T T O਀ 㜀㄀    刀䄀一䐀ⴀ䌀匀䜀       伀     䐀     伀     伀     伀     伀     伀     伀     伀     伀 8 SDC-ADEPT #D #D #D #D #D D #D D #D #D਀  㤀    䠀䄀刀嘀䄀刀䐀ⴀ㄀　     䐀     䐀     伀     伀     伀     伀    ⌀䐀     伀     伀     伀 10 L.L.-360 T H H H H D H H H H਀ 㜀㐀    䰀⸀䰀⸀ⴀ吀堀ⴀ㈀      伀     伀     伀     䐀     伀     伀     伀    ⌀䐀     伀     伀 11 STANFORD-AI D D D D D D D D D D਀ ㄀㐀    䌀䴀唀ⴀ㄀　         䠀     䠀     䐀     䐀     䐀     䐀     䐀     䠀     䠀     䠀 15 AMES-Illiac D D D H O H D H D O਀ ㄀㘀    䄀䴀䔀匀ⴀ㘀㜀        䐀     䐀     䐀     䐀     䐀     䐀     䐀     䐀     䐀     䐀 ਀眀栀攀爀攀 D = Dead (Destination Host either dead or inaccessible [due to network਀    瀀愀爀琀椀琀椀漀渀椀渀最 漀爀 氀漀挀愀氀 䤀䴀倀 昀愀椀氀甀爀攀崀 昀爀漀洀 琀栀攀 䈀䈀一 吀攀爀洀椀渀愀氀 䤀䴀倀⸀⤀ ਀䠀 㴀 ㄀⼀㈀ 伀瀀攀渀 ⠀䐀攀猀琀椀渀愀琀椀漀渀 䠀漀猀琀 漀瀀攀渀攀搀 愀 挀漀渀渀攀挀琀椀漀渀 戀甀琀 琀栀攀渀 攀椀琀栀攀爀 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਀    挀漀渀渀攀挀琀椀漀渀 眀椀琀栀椀渀 㘀　 猀攀挀漀渀搀猀⸀⤀ ________________਀⨀吀栀攀 漀渀氀礀 猀攀爀瘀椀挀攀 挀甀爀爀攀渀琀氀礀 漀昀昀攀爀攀搀 戀礀 琀栀攀 唀䌀䰀䄀 䤀䈀䴀ⴀ㌀㘀　⼀㤀㄀ 椀猀 愀 一攀琀眀漀爀欀 Job Service (NETRJS), however, the BBN Terminal IMP is not equipped to਀ 琀攀猀琀 一䔀吀刀䨀匀⸀  圀攀 愀爀攀 愀猀猀甀洀椀渀最 琀栀愀琀 椀渀椀琀椀愀氀 挀漀渀渀攀挀琀椀漀渀 琀漀 琀栀攀 一䔀吀刀䨀匀 logger indicates that NETRJS is also functioning.਀⌀吀栀攀猀攀 猀椀琀攀猀 愀搀瘀攀爀琀椀猀攀 琀栀愀琀 琀栀攀礀 洀愀礀 渀漀琀 栀愀瘀攀 琀栀攀椀爀 猀礀猀琀攀洀 愀瘀愀椀氀愀戀氀攀 愀琀 these times.਀ ਀ ਀ ਀                                                                嬀倀愀最攀 ㈀崀 ਀ "STATUS OR਀匀䤀吀䔀                                                          倀刀䔀䐀䤀䌀吀䤀伀一匀∀ ADDRESS SITE COMPUTER STATUS OR PREDICTION OBTAINED FROM਀ⴀⴀⴀⴀⴀⴀⴀ  ⴀⴀⴀⴀ         ⴀⴀⴀⴀⴀⴀⴀⴀ       ⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀ     ⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀ ਀   ㄀     唀䌀䰀䄀         匀䤀䜀䴀䄀ⴀ㜀        匀攀爀瘀攀爀 ⌀ 䰀椀洀椀琀攀搀         䨀漀渀 倀漀猀琀攀氀 65 UCLA IBM-360/91 NETRJS now Bob Braden਀                                     ⠀吀攀氀渀攀琀 椀渀 䄀瀀爀椀氀 2 SRI(NIC) PDP-10 Server John Melvin਀  㘀㘀     匀刀䤀⠀䄀䤀⤀      倀䐀倀ⴀ㄀　         匀攀爀瘀攀爀                   䰀攀渀 䌀栀愀椀琀攀渀 3 UCSB IBM-360/75 Server Jim White਀   㐀     唀吀䄀䠀         倀䐀倀ⴀ㄀　         匀攀爀瘀攀爀                   䈀愀爀爀礀 圀攀猀猀氀攀爀 *5 BBN(NCC) DDP-516 Never Alex McKenzie਀  㘀㤀     䈀䈀一⠀吀䔀一䔀堀ⴀ䄀⤀ 倀䐀倀ⴀ㄀　         匀攀爀瘀攀爀                   䐀愀渀 䴀甀爀瀀栀礀 133 BBN(TENEX-B) PDP-10 Server(Exper.) Dan Murphy਀   㘀     䴀䤀吀⠀䴀甀氀琀椀挀猀⤀ 䠀ⴀ㘀㐀㔀          匀攀爀瘀攀爀                   䴀椀欀攀 倀愀搀氀椀瀀猀欀礀 70 MIT(DM) PDP-10 Server Bob Bressler਀⨀㄀㌀㐀     䴀䤀吀⠀䄀䤀⤀      倀䐀倀ⴀ㄀　         唀猀攀爀 一漀眀                 䨀攀昀昀 刀甀戀椀渀 *7 RAND IBM-360/65 User Only Eric Harslem਀  㜀㄀     刀䄀一䐀         倀䐀倀ⴀ㄀　         匀攀爀瘀攀爀                   䔀爀椀挀 䠀愀爀猀氀攀洀 *8 SDC IBM-360/155 Server Bob Long਀   㤀     䠀䄀刀嘀䄀刀䐀      倀䐀倀ⴀ㄀　         匀攀爀瘀攀爀                   䈀漀戀 匀甀渀搀戀攀爀最 *73 HARVARD PDP-1 User Only Bob Sundberg਀  ㄀　     䰀䤀一䌀伀䰀一      䤀䈀䴀ⴀ㌀㘀　⼀㘀㜀     ∀匀漀漀渀∀                   䨀漀攀氀 圀椀渀攀琀琀 74 LINCOLN TX-2 Server Will Kantrowitz਀  ㄀㄀     匀吀䄀一䘀伀刀䐀     倀䐀倀ⴀ㄀　         ∀匀漀漀渀∀                   䄀渀搀礀 䴀漀漀爀攀爀 *12 ILLINOIS PDP-11 User Only John Cravits਀ ⨀㄀㌀     䌀䄀匀䔀         倀䐀倀ⴀ㄀　         䨀甀渀攀                     䌀栀愀爀氀攀猀 刀漀猀攀 14 CARNEGIE PDP-10 "Soon" Hal VanZoeren਀ ⨀㄀㔀     䄀䴀䔀匀         䤀䰀䰀䤀䄀䌀         匀攀爀瘀攀爀                   䨀漀栀渀 䴀挀䌀漀渀渀攀氀氀 (B6500)਀  ㄀㘀     䄀䴀䔀匀         䤀䈀䴀ⴀ㌀㘀　⼀㘀㜀     ∀匀漀漀渀∀                   圀愀礀渀攀 䠀愀琀栀愀眀愀礀 *144 AMES TIP User Only਀⨀㄀㐀㔀     䴀䤀吀刀䔀        吀䤀倀            唀猀攀爀 伀渀氀礀 *19 NBS PDP-11 User Only Robert Rosenthal਀⨀㄀㐀㜀     一䈀匀          吀䤀倀            唀猀攀爀 伀渀氀礀 *148 ETAC TIP User Only਀ ⨀㈀㌀     唀匀䌀          吀䤀倀            唀猀攀爀 伀渀氀礀 *158 BBN TIP User Only਀                      ⠀倀爀漀琀漀琀礀瀀攀⤀ _______________਀⨀䠀漀猀琀 渀漀琀 椀渀挀氀甀搀攀搀 椀渀 搀愀椀氀礀 琀攀猀琀椀渀最⸀ #The NMC is a research site and would like਀ 琀漀 栀愀瘀攀 瀀爀椀漀爀 愀爀爀愀渀最攀洀攀渀琀 眀椀琀栀 攀愀挀栀 甀猀攀爀⸀ ਀       嬀 吀栀椀猀 刀䘀䌀 眀愀猀 瀀甀琀 椀渀琀漀 洀愀挀栀椀渀攀 爀攀愀搀愀戀氀攀 昀漀爀洀 昀漀爀 攀渀琀爀礀 崀 [ into the online RFC archives by BBN Corp. under the ]਀       嬀 搀椀爀攀挀琀椀漀渀 漀昀 䄀氀攀砀 䴀挀䬀攀渀稀椀攀⸀                   ㄀㈀⼀㤀㘀   崀 ਀ ਀                                                                嬀倀愀最攀 ㌀崀 ਀ⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀ ਀一攀琀眀漀爀欀 圀漀爀欀椀渀最 䜀爀漀甀瀀                             䔀氀氀攀渀 圀攀猀琀栀攀椀洀攀爀 NIC # 9633 BBN਀刀䘀䌀 ⌀ ㌀㈀㘀                                         ㌀ 䄀瀀爀椀氀 ㄀㤀㜀㈀ Categories: F, G.3਀唀瀀搀愀琀攀猀㨀  刀䘀䌀 ⌀㌀㄀㤀 Obsoletes: None਀ NETWORK HOST STATUS਀ This RFC reports on the status of most Network Hosts from਀䴀愀爀挀栀 ㄀㌀ 琀漀 䴀愀爀挀栀 ㈀㐀⸀  䐀甀爀椀渀最 琀栀椀猀 瀀攀爀椀漀搀 琀栀攀 匀刀䤀ⴀ䄀䤀 挀漀洀瀀甀琀攀爀 became a server.਀ Several Hosts are currently excluded from the daily testing.਀吀栀攀猀攀 䠀漀猀琀猀 昀愀氀氀 椀渀琀漀 琀眀漀 挀愀琀攀最漀爀椀攀猀㨀 ਀㄀⤀ 䠀漀猀琀猀 眀栀椀挀栀 愀爀攀 渀漀琀 攀砀瀀攀挀琀攀搀 琀漀 戀攀 昀甀渀挀琀椀漀渀椀渀最 漀渀 琀栀攀 一攀琀眀漀爀欀 愀猀 servers (available for use from other sites) on a regular basis for at਀氀攀愀猀琀 琀眀漀 眀攀攀欀猀⸀  䤀渀挀氀甀搀攀搀 栀攀爀攀 愀爀攀㨀 ਀         一攀琀眀漀爀欀 Address Site Computer਀         ⴀⴀⴀⴀⴀⴀⴀ                ⴀⴀⴀⴀ            ⴀⴀⴀⴀⴀⴀⴀⴀ 134 MIT-AI PDP-10਀            ㄀㌀                  䌀愀猀攀            倀䐀倀ⴀ㄀　 ਀㈀⤀ 䠀漀猀琀猀 眀栀椀挀栀 愀爀攀 挀甀爀爀攀渀琀氀礀 椀渀琀攀渀搀攀搀 琀漀 戀攀 甀猀攀爀猀 漀渀氀礀⸀  䤀渀挀氀甀搀攀搀 栀攀爀攀 are the Terminal IMPs, which are presently in the Network (AMES,਀䴀䤀吀刀䔀Ⰰ 一䈀匀Ⰰ 䔀吀䄀䌀Ⰰ 愀渀搀 䈀䈀一⨀⤀⸀  吀栀椀猀 挀愀琀攀最漀爀礀 愀氀猀漀 椀渀挀氀甀搀攀猀 琀栀攀 一攀琀眀漀爀欀 Control Center computer (Network Address 5) which is used solely for਀最愀琀栀攀爀椀渀最 猀琀愀琀椀猀琀椀挀猀 昀爀漀洀 琀栀攀 一攀琀眀漀爀欀⸀  䘀椀渀愀氀氀礀Ⰰ 椀渀挀氀甀搀攀搀 愀洀漀渀最 琀栀攀猀攀 Hosts are the following:਀ Network਀         䄀搀搀爀攀猀猀                匀椀琀攀            䌀漀洀瀀甀琀攀爀 ------- ---- --------਀             㜀                  刀愀渀搀            䤀䈀䴀ⴀ㌀㘀　⼀㘀㔀 73 Harvard PDP-1਀            ㄀㈀                  䤀氀氀椀渀漀椀猀        倀䐀倀ⴀ㄀㄀ 19 NBS PDP-11਀ The tables on the next two pages summarize the Host status for਀琀栀椀猀 瀀攀爀椀漀搀⸀ ________________਀⨀吀栀攀 䈀䈀一 吀攀爀洀椀渀愀氀 䤀䴀倀 ⠀一攀琀眀漀爀欀 䄀搀搀爀攀猀猀 ㄀㔀㠀⤀ 椀猀 愀 瀀爀漀琀漀琀礀瀀攀 愀渀搀 as such is frequently not connected to the Network, but being਀甀猀攀搀 琀漀 爀攀昀椀渀攀 愀渀搀 搀攀戀甀最 琀栀攀 吀攀爀洀椀渀愀氀 䤀䴀倀 瀀爀漀最爀愀洀猀⸀ ਀ ਀ [Page 1]਀ ਀                                                               ∀匀吀䄀吀唀匀 伀刀 SITE PREDICTIONS"਀䄀䐀䐀刀䔀匀匀  匀䤀吀䔀          䌀伀䴀倀唀吀䔀刀        匀吀䄀吀唀匀 伀刀 倀刀䔀䐀䤀䌀吀䤀伀一    伀䈀吀䄀䤀一䔀䐀 䘀刀伀䴀 ------- ---- -------- -------------------- -------------਀ 1 UCLA SIGMA-7 Server #Limited Jon Postel਀   㘀㔀    唀䌀䰀䄀          䤀䈀䴀ⴀ㌀㘀　⼀㤀㄀      一䔀吀刀䨀匀 渀漀眀              䈀漀戀 䈀爀愀搀攀渀 (Telnet in April)਀    ㈀    匀刀䤀⠀一䤀䌀⤀      倀䐀倀ⴀ㄀　          匀攀爀瘀攀爀                  䨀漀栀渀 䴀攀氀瘀椀渀 66 SRI(AI) PDP-10 Server Len Chaiten਀    ㌀    唀䌀匀䈀          䤀䈀䴀ⴀ㌀㘀　⼀㜀㔀      匀攀爀瘀攀爀                  䨀椀洀 圀栀椀琀攀 4 UTAH PDP-10 Server Barry Wessler਀   ⨀㔀    䈀䈀一⠀一䌀䌀⤀      䐀䐀倀ⴀ㔀㄀㘀         一攀瘀攀爀                   䄀氀攀砀 䴀挀䬀攀渀稀椀攀 69 BBN(TENEX-A) PDP-10 Server Dan Murphy਀ ⨀㄀㌀㌀    䈀䈀一⠀吀䔀一䔀堀ⴀ䈀⤀  倀䐀倀ⴀ㄀　          匀攀爀瘀攀爀 ⠀䔀砀瀀攀爀⸀⤀         䐀愀渀 䴀甀爀瀀栀礀 *158 BBN TIP User Only਀                       ⠀倀爀漀琀漀琀礀瀀攀⤀ 6 MIT(Multics) H-645 Server Mike Padlipsky਀   㜀　    䴀䤀吀⠀䐀䴀⤀       倀䐀倀ⴀ㄀　          匀攀瘀攀爀                   䈀漀戀 䈀爀攀猀猀氀攀爀 *134 MIT(AI) PDP-10 User Now Jeff Rubin਀   ⨀㜀    刀䄀一䐀          䤀䈀䴀ⴀ㌀㘀　⼀㘀㔀      唀猀攀爀 伀渀氀礀               䔀爀椀挀 䠀愀爀猀氀攀洀 71 RAND PDP-10 Server Eric Harslem਀   ⨀㠀    匀䐀䌀           䤀䈀䴀ⴀ㌀㘀　⼀㄀㔀㔀     匀攀爀瘀攀爀                  䈀漀戀 䰀漀渀最 9 HARVARD PDP-10 Server Bob Sundberg਀  ⨀㜀㌀    䠀䄀刀嘀䄀刀䐀       倀䐀倀ⴀ㄀           唀猀攀爀 伀渀氀礀               䈀漀戀 匀甀渀搀戀攀爀最 10 LINCOLN IBM-360/67 "Soon" Joel Winett਀   㜀㐀    䰀䤀一䌀伀䰀一       吀堀ⴀ㈀            匀攀爀瘀攀爀                  圀椀氀氀 䬀愀渀琀爀漀眀椀琀稀 11 STANFORD PDP-10 "Soon" Andy Moorer਀  ⨀㄀㈀    䤀䰀䰀䤀一伀䤀匀      倀䐀倀ⴀ㄀㄀          唀猀攀爀 伀渀氀礀               䨀漀栀渀 䌀爀愀瘀椀琀猀 *13 CASE PDP-10 June Charles Rose਀   ㄀㐀    䌀䄀刀一䔀䜀䤀䔀      倀䐀倀ⴀ㄀　          ∀匀漀漀渀∀                  䠀愀氀 嘀愀渀娀漀攀爀攀渀 *15 AMES/(PAOLI) ILLIAC "Soon" John McConnell਀                       ⠀䈀㘀㔀　　⤀ 16 AMES IBM-360/67 "Soon" Wayne Hathaway਀ ⨀㄀㐀㐀    䄀䴀䔀匀          吀䤀倀             唀猀攀爀 伀渀氀礀 *145 MITRE TIP User Only਀  ⨀㄀㤀    一䈀匀           倀䐀倀ⴀ㄀㄀          唀猀攀爀 伀渀氀礀               刀漀戀攀爀琀 刀漀猀攀渀琀栀愀氀 *147 NBS TIP User Only਀ ⨀㄀㐀㠀    䔀吀䄀䌀          吀䤀倀             唀猀攀爀 伀渀氀礀 ਀开开开开开开开开开开开开开开开开开 *Host not included in daily testing਀ #The NMC is a research site and would like਀ 琀漀 栀愀瘀攀 瀀爀椀漀爀 愀爀爀愀渀最攀洀攀渀琀 眀椀琀栀 攀愀挀栀 甀猀攀爀⸀ ਀ ਀ ਀ [Page 2]਀ ਀匀䤀吀䔀 NO. SITE DATE AND TIME (EASTERN)਀ⴀⴀⴀⴀ  ⴀⴀⴀⴀ                        ⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀ ਀                   ㌀⼀㄀㌀  ㌀⼀㄀㐀  ㌀⼀㄀㔀  ㌀⼀㄀㘀  ㌀⼀㄀㜀  ㌀⼀㈀　  ㌀⼀㈀㄀  ㌀⼀㈀㈀  ㌀⼀㈀㌀  ㌀⼀㈀㐀 1530 1400 1530 1430 1730 1400 1300 1700 1700 1300਀  ㄀   唀䌀䰀䄀ⴀ一䴀䌀       伀     伀     伀     伀     䐀     伀     伀     伀     伀     伀 65 UCLA-CNN O O O O O O O O O D਀  ㈀   匀刀䤀ⴀ䄀刀䌀       ⌀䐀     䐀     伀     伀     伀     䐀     䐀     䐀     䐀     吀 66 SRI-AI D D D D O D D D D D਀  ㌀   唀䌀匀䈀ⴀ䴀伀䐀㜀㔀     伀     伀     伀     伀     伀     伀     伀     伀     伀     䐀 4 UTAH-10 O D O O O O O O O O਀ 㘀㤀   䈀䈀一ⴀ吀䔀一䔀堀      伀     伀     伀     伀     䐀     䐀     䐀     伀     伀     伀 133 BBN-TENEXB #D #D #D #D #D #D #D #D #D #D਀  㘀   䴀䤀吀ⴀ䴀甀氀琀椀挀猀    䐀     吀     䐀     䐀     䐀     䠀     䐀     伀     伀     伀 70 MIT-DMCG H O O O T O H O O H਀ 㜀㄀   刀䄀一䐀ⴀ䌀匀䜀       䠀     䠀     伀     伀     伀     伀     伀     伀     䐀     吀 8 SDC-ADEPT #D #D #D #D H #D #D #D D #D਀  㤀   䠀䄀刀嘀䄀刀䐀ⴀ㄀　     伀     伀     伀     伀     伀     伀     䐀     伀     伀     伀 10 L.L.-360 H H H H H H H H D H਀ 㜀㐀   䰀⸀䰀⸀ⴀ 吀堀ⴀ㈀     伀     伀    ⌀䐀     伀     伀     伀     伀     伀     伀     伀 11 STANFORD-AI D D H D D D D D D D਀ ㄀㐀   䌀䴀唀ⴀ㄀　         䐀     䐀     䐀     䠀     䠀     䐀     䠀     䐀     伀     䠀 15 AMES-Illiac D D D D D D D D D D਀ ㄀㘀   䄀䴀䔀匀ⴀ㘀㜀        䐀     䐀     䐀     䐀     䐀     䐀     䐀     䐀     䐀     䐀 ਀眀栀攀爀攀 D = Dead (Destination Host either dead or inaccessible [due to network਀     瀀愀爀琀椀琀椀漀渀椀渀最 漀爀 氀漀挀愀氀 䤀䴀倀 昀愀椀氀甀爀攀崀 昀爀漀洀 琀栀攀 䈀䈀一 吀攀爀洀椀渀愀氀 䤀䴀倀⸀⤀ ਀䠀 㴀  ㄀⼀㈀ 伀瀀攀渀 ⠀䐀攀猀琀椀渀愀琀椀漀渀 䠀漀猀琀 漀瀀攀渀攀搀 愀 挀漀渀渀攀挀琀椀漀渀 戀甀琀 琀栀攀渀 攀椀琀栀攀爀 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਀     挀漀渀渀攀挀琀椀漀渀 眀椀琀栀椀渀 㘀　 猀攀挀漀渀搀猀⸀⤀ ________________਀⨀吀栀攀 漀渀氀礀 猀攀爀瘀椀挀攀 挀甀爀爀攀渀琀氀礀 漀昀昀攀爀攀搀 戀礀 琀栀攀 唀䌀䰀䄀 䤀䈀䴀ⴀ㌀㘀　⼀㤀㄀ 椀猀 愀 一攀琀眀漀爀欀 Job Service (NETRJS), however, the BBN Terminal IMP is not equipped to਀ 琀攀猀琀 一䔀吀刀䨀匀⸀  圀攀 愀爀攀 愀猀猀甀洀椀渀最 琀栀愀琀 椀渀椀琀椀愀氀 挀漀渀渀攀挀琀椀漀渀 琀漀 琀栀攀 一䔀吀刀䨀匀 logger indicates that NETRJS is also functioning.਀ #These sites advertise that they may not have their system available at਀ 琀栀攀猀攀 琀椀洀攀猀⸀ ਀ ਀ [Page 3]਀ ਀       嬀 吀栀椀猀 刀䘀䌀 眀愀猀 瀀甀琀 椀渀琀漀 洀愀挀栀椀渀攀 爀攀愀搀愀戀氀攀 昀漀爀洀 昀漀爀 攀渀琀爀礀 崀 [ into the online RFC archives by BBN Corp. under the ]਀       嬀 搀椀爀攀挀琀椀漀渀 漀昀 䄀氀攀砀 䴀挀䬀攀渀稀椀攀⸀                   ㄀㈀⼀㤀㘀   崀 ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ [Page 4]਀ ------------------------------------------------------------------------਀ Network Working Group Ellen Westheimer਀刀攀焀甀攀猀琀 昀漀爀 䌀漀洀洀攀渀琀猀㨀 ㌀㄀㤀                                            䈀䈀一 NIC: 9349 March 21, 1972਀唀瀀搀愀琀攀猀㨀 刀䘀䌀 ㌀㄀㔀 ਀                          一䔀吀圀伀刀䬀 䠀伀匀吀 匀吀䄀吀唀匀 ਀   吀栀椀猀 刀䘀䌀 爀攀瀀漀爀琀猀 漀渀 琀栀攀 猀琀愀琀甀猀 漀昀 洀漀猀琀 一攀琀眀漀爀欀 䠀漀猀琀猀 昀爀漀洀 䘀攀戀爀甀愀爀礀 ㈀㠀 to March 10. The ETAC Terminal IMP (Network address 148) was਀   椀渀猀琀愀氀氀攀搀 搀甀爀椀渀最 琀栀椀猀 瀀攀爀椀漀搀⸀ ਀   匀攀瘀攀爀愀氀 䠀漀猀琀猀 愀爀攀 挀甀爀爀攀渀琀氀礀 攀砀挀氀甀搀攀搀 昀爀漀洀 琀栀攀 搀愀椀氀礀 琀攀猀琀椀渀最⸀  吀栀攀猀攀 Hosts fall into two categories:਀ 1) Hosts which are not expected to be functioning on the Network਀         愀猀 猀攀爀瘀攀爀猀 ⠀愀瘀愀椀氀愀戀氀攀 昀漀爀 甀猀攀 昀爀漀洀 漀琀栀攀爀 猀椀琀攀猀⤀ 漀渀 愀 爀攀最甀氀愀爀 basis for at least two weeks. Included here are:਀ Network਀         䄀搀搀爀攀猀猀          匀椀琀攀            䌀漀洀瀀甀琀攀爀 ------- ---- --------਀         ㄀㌀㐀              䴀䤀吀ⴀ䄀䤀          倀䐀倀ⴀ㄀　 13 Case PDP-10਀          ㄀㔀              䄀洀攀猀⼀⠀倀愀漀氀椀⤀    䤀䰀䰀䤀䄀䌀⼀⠀䈀㘀㔀　　⤀ ਀      ㈀⤀ 䠀漀猀琀猀 眀栀椀挀栀 愀爀攀 挀甀爀爀攀渀琀氀礀 椀渀琀攀渀搀攀搀 琀漀 戀攀 甀猀攀爀猀 漀渀氀礀⸀  䤀渀挀氀甀搀攀搀 here are the Terminal IMP's which are presently in the Network਀         ⠀䄀䴀䔀匀Ⰰ 䴀䤀吀刀䔀Ⰰ 一䈀匀 愀渀搀 䈀䈀一⤀⸀  嬀吀栀攀 䈀䈀一 吀攀爀洀椀渀愀氀 䤀䴀倀 ⠀一攀琀眀漀爀欀 Address 158) is a prototype and as such is frequently not਀         挀漀渀渀攀挀琀攀搀 琀漀 琀栀攀 一攀琀眀漀爀欀Ⰰ 戀甀琀 戀攀椀渀最 甀猀攀搀 琀漀 爀攀昀椀渀攀 愀渀搀 搀攀戀甀最 the Terminal IMP programs.] This category also includes the਀         一攀琀眀漀爀欀 䌀漀渀琀爀漀氀 䌀攀渀琀攀爀 挀漀洀瀀甀琀攀爀 ⠀一攀琀眀漀爀欀 䄀搀搀爀攀猀猀 㔀⤀ 眀栀椀挀栀 椀猀 used solely for gathering statistics from the Network.਀         䘀椀渀愀氀氀礀Ⰰ 椀渀挀氀甀搀攀搀 愀洀漀渀最 琀栀攀猀攀 䠀漀猀琀猀 愀爀攀 琀栀攀 昀漀氀氀漀眀椀渀最㨀 ਀         一攀琀眀漀爀欀 Address Site Computer਀         ⴀⴀⴀⴀⴀⴀⴀ          ⴀⴀⴀⴀ            ⴀⴀⴀⴀⴀⴀⴀⴀ 7 Rand IBM-360/65਀         㜀㌀               䠀愀爀瘀愀爀搀         倀䐀倀ⴀ㄀ 12 Illinois PDP-11਀         ㄀㤀               一䈀匀             倀䐀倀ⴀ㄀㄀ ਀   吀栀攀 琀愀戀氀攀猀 漀渀 琀栀攀 渀攀砀琀 琀眀漀 瀀愀最攀猀 猀甀洀洀愀爀椀稀攀 琀栀攀 䠀漀猀琀 猀琀愀琀甀猀 昀漀爀 琀栀椀猀 period.਀ ਀ ਀ ਀圀攀猀琀栀攀椀洀攀爀                                                      嬀倀愀最攀 ㄀崀 ਀ RFC 319 Network Host Status March 1972਀ ਀                                                          ∀匀吀䄀吀唀匀 伀刀 SITE PREDICTIONS"਀䄀䐀䐀刀䔀匀匀  匀䤀吀䔀          䌀伀䴀倀唀吀䔀刀    匀吀䄀吀唀匀 伀刀 倀刀䔀䐀䤀䌀吀䤀伀一  伀䈀吀䄀䤀一䔀䐀 䘀刀伀䴀 ------- ---- -------- ------------------- --------------਀   ㄀     唀䌀䰀䄀          匀䤀䜀䴀䄀ⴀ㜀      匀攀爀瘀攀爀 ⌀䰀椀洀椀琀攀搀     䨀漀渀 倀漀猀琀攀氀 65 UCLA IBM-360/91 NETRJS now Bob Braden਀                                    ⠀吀攀氀渀攀琀 椀渀 䄀瀀爀椀氀⤀ 2 SRI(NIC) PDP-10 Server John Melvin਀  㘀㘀     匀刀䤀⠀䄀䤀⤀       倀䐀倀ⴀ㄀　       ∀匀漀漀渀∀              䰀攀渀 䌀栀愀椀琀攀渀 3 UCSB IBM-360/75 Server Jim White਀   㐀     唀吀䄀䠀          倀䐀倀ⴀ㄀　       匀攀爀瘀攀爀              䈀愀爀爀礀 圀攀猀猀氀攀爀 *5 BBN(NCC) DDP-516 Never Alex McKenzie਀  㘀㤀     䈀䈀一⠀吀䔀一䔀堀ⴀ䄀⤀  倀䐀倀ⴀ㄀　       匀攀爀瘀攀爀              䐀愀渀 䴀甀爀瀀栀礀 *133 BBN(TENEX-B) PDP-10 Server(Exper.) Dan Murphy਀⨀㄀㔀㠀     䈀䈀一           吀䤀倀          唀猀攀爀 伀渀氀礀 (Prototype)਀  㘀      䴀䤀吀⠀䴀甀氀琀椀挀猀⤀  䠀ⴀ㘀㐀㔀        匀攀爀瘀攀爀              䴀椀欀攀 倀愀搀氀椀瀀猀欀礀 70 MIT(DM) PDP-10 Server Bob Bressler਀⨀㄀㌀㐀     䴀䤀吀⠀䄀䤀⤀       倀䐀倀ⴀ㄀　       唀猀攀爀 一漀眀            䨀攀昀昀 刀甀戀椀渀 *7 RAND IBM-360/65 User only Eric Harslem਀  㜀㄀     刀䄀一䐀          倀䐀倀ⴀ㄀　       匀攀爀瘀攀爀              䔀爀椀挀 䠀愀爀猀氀攀洀 *8 SDC IBM-370/155 Server Bob Long਀   㤀     䠀䄀刀嘀䄀刀䐀       倀䐀倀ⴀ㄀　       匀攀爀瘀攀爀              䈀漀戀 匀甀渀搀戀攀爀最 *73 HARVARD PDP-1 User Only Bob Sundberg਀  ㄀　     䰀䤀一䌀伀䰀一       䤀䈀䴀ⴀ㌀㘀　⼀㘀㜀   ∀匀漀漀渀∀              䨀漀攀氀 圀椀渀攀琀琀 74 LINCOLN TX-2 Server Will Kantrowitz਀  ㄀㄀     匀吀䄀一䘀伀刀䐀      倀䐀倀ⴀ㄀　       ∀匀漀漀渀∀              䄀渀搀礀 䴀漀漀爀攀爀 *12 ILLINOIS PDP-11 User Only John Cravits਀ ⨀㄀㌀     䌀䄀匀䔀          倀䐀倀ⴀ㄀　       䨀甀渀攀                䌀栀愀爀氀攀猀 刀漀猀攀 14 CARNEGIE PDP-10 "Soon" Hal VanZoeren਀ ⨀㄀㔀     䄀䴀䔀匀⼀⠀倀䄀伀䰀䤀⤀  䤀䰀䰀䤀䄀䌀       匀攀瀀琀攀洀戀攀爀           䨀漀栀渀 䴀挀䌀漀渀渀攀氀氀 (B6500)਀  ㄀㘀     䄀䴀䔀匀          䤀䈀䴀ⴀ㌀㘀　⼀㘀㜀   ∀匀漀漀渀∀              圀愀礀渀攀 䠀愀琀栀愀眀愀礀 *144 AMES TIP User Only਀⨀㄀㐀㔀     䴀䤀吀刀䔀         吀䤀倀          唀猀攀爀 伀渀氀礀 *19 NBS PDP-11 User Only Robert Rosenthal਀⨀㄀㐀㜀     一䈀匀           吀䤀倀          唀猀攀爀 伀渀氀礀 *148 ETAC TIP User Only਀ _________________਀   ⨀䠀漀猀琀 渀漀琀 椀渀挀氀甀搀攀搀 椀渀 搀愀椀氀礀 琀攀猀琀椀渀最⸀ ਀   ⌀吀栀攀 一䴀䌀 椀猀 愀 爀攀猀攀愀爀挀栀 猀椀琀攀 愀渀搀 眀漀甀氀搀 氀椀欀攀 琀漀 栀愀瘀攀 瀀爀椀漀爀 愀爀爀愀渀最攀洀攀渀琀 with each user.਀ ਀ ਀ ਀ Westheimer [Page 2]਀ ਀刀䘀䌀 ㌀㄀㤀                   一攀琀眀漀爀欀 䠀漀猀琀 匀琀愀琀甀猀                 䴀愀爀挀栀 ㄀㤀㜀㈀ ਀ SITE਀    一伀⸀    匀䤀吀䔀                   䐀䄀吀䔀 䄀一䐀 吀䤀䴀䔀 ⠀䔀䄀匀吀䔀刀一⤀ ---- ---- -----------------------਀                                 ㈀⼀㈀㠀  ㈀⼀㈀㤀   ㌀⼀㄀   ㌀⼀㈀   ㌀⼀㌀ 1200 1330 1100 1320 1700਀     ㄀     唀䌀䰀䄀ⴀ一䴀䌀               伀     伀    ⌀䐀     伀     　 65 UCLA-CCN O O #D O O਀     ㈀     匀刀䤀ⴀ䄀刀䌀                伀     伀    ⌀䐀     吀     䐀 66 SRI-AI D D D D D਀     ㌀     唀䌀匀䈀ⴀ䴀伀䐀㜀㔀             伀     伀     伀     伀     伀 4 UTAH-10 O O #D O O਀    㘀㤀     䈀䈀一ⴀ吀䔀一䔀堀              伀     伀     伀     伀     伀 133 BBN-TENEXB #D #D O #D #T਀     㘀     䴀䤀吀ⴀ䴀甀氀琀椀挀猀            伀     伀     伀     伀     伀 70 MIT-DMCG O H D O O਀    㜀㄀     刀䄀一䐀ⴀ䌀匀䜀               伀     吀     伀     伀     䐀 8 SDC-ADEPT #D #D #D #D #D਀     㤀     䠀䄀刀嘀䄀刀䐀ⴀ㄀　             伀    ⌀䐀     吀     伀     伀 10 L.L.-67 H H T H H਀    㜀㐀     䰀⸀䰀⸀ⴀ吀堀ⴀ㈀              伀     伀    ⌀䐀     吀     伀 11 SU-AI D D D D D਀    ㄀㐀     䌀䴀唀ⴀ㄀　                 䠀     䐀     䐀     䠀     䐀 16 AMES-67 D D D D D਀ ਀   匀䤀吀䔀 NO. SITE DATE AND TIME (EASTERN)਀   ⴀⴀⴀⴀ    ⴀⴀⴀⴀ                   ⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀ 3/6 3/7 3/8 3/9 3/10਀                                ㄀㔀㌀　  ㄀㘀　　  ㄀㐀㌀　  ㄀㐀　　  ㄀㜀　　 1 UCLA-NMC O O O O #D਀    㘀㔀     唀䌀䰀䄀ⴀ䌀䌀一               䐀     伀     伀     伀     伀 2 SRI-ARC O O H D O਀    㘀㘀     匀刀䤀ⴀ䄀䤀                 䐀     䐀     䐀     䐀     䐀 3 UCSB-MOD75 O O O O O਀     㐀     唀吀䄀䠀ⴀ㄀　                伀     伀     伀     伀     伀 69 BBN-TENEX D O O O O਀   ㄀㌀㌀     䈀䈀一ⴀ吀䔀一䔀堀䈀            ⌀䐀    ⌀䐀    ⌀䐀    ⌀䐀    ⌀䐀 6 MIT-Multics O O D D O਀    㜀　     䴀䤀吀ⴀ䐀䴀䌀䜀               䐀     䐀     伀     伀     伀 71 RAND-CSG D D O O O਀     㠀     匀䐀䌀ⴀ䄀䐀䔀倀吀             ⌀䐀    ⌀䐀    ⌀䐀    ⌀䐀     䐀 9 HARVARD-10 O O O O O਀    ㄀　     䰀⸀䰀⸀ⴀ㘀㜀                䠀     䐀     䠀     䠀     䠀 74 L.L.-TX-2 O O #D O O਀    ㄀㄀     匀唀ⴀ䄀䤀                  䐀     䐀     䐀     䐀     䐀 14 CMU-10 D D D D D਀    ㄀㘀     䄀䴀䔀匀ⴀ㘀㜀                䐀     䐀     䐀     䐀     䐀 ਀ ਀圀攀猀琀栀攀椀洀攀爀                                                      嬀倀愀最攀 ㌀崀 ਀ RFC 319 Network Host Status March 1972਀ ਀   眀栀攀爀攀 ਀      䐀 㴀 䐀攀愀搀 ⠀䐀攀猀琀椀渀愀琀椀漀渀 䠀漀猀琀 攀椀琀栀攀爀 搀攀愀搀 漀爀 椀渀愀挀挀攀猀猀椀戀氀攀 嬀搀甀攀 琀漀 network partitioning or local IMP failure] from the BBN Terminal਀      䤀䴀倀⸀⤀ ਀      䠀 㴀 ㄀⼀㈀ 伀瀀攀渀 ⠀䐀攀猀琀椀渀愀琀椀漀渀 䠀漀猀琀 漀瀀攀渀攀搀 愀 挀漀渀渀攀挀琀椀漀渀 戀甀琀 琀栀攀渀 攀椀琀栀攀爀 immediately closed it, or did not respond any further.)਀ O = Open (Destination Host opened a connection and was accessible਀      琀漀 甀猀攀爀猀⸀⤀ ਀      刀 㴀 刀攀昀甀猀攀搀 ⠀䐀攀猀琀椀渀愀琀椀漀渀 䠀漀猀琀 爀攀琀甀爀渀攀搀 愀 䌀䰀匀 琀漀 琀栀攀 椀渀椀琀椀愀氀 刀䘀䌀⸀⤀ ਀      吀 㴀 吀椀洀攀搀 漀甀琀 ⠀䐀攀猀琀椀渀愀琀椀漀渀 䠀漀猀琀 搀椀搀 渀漀琀 挀漀洀瀀氀攀琀攀 琀栀攀 䤀䌀倀 愀渀搀 漀瀀攀渀 a connection within 60 seconds.)਀ The only service currently offered by the UCLA IBM-360/91 is a਀   一攀琀眀漀爀欀 䨀漀戀 匀攀爀瘀椀挀攀 ⠀一䔀吀刀䨀匀⤀Ⰰ 栀漀眀攀瘀攀爀Ⰰ 琀栀攀 䈀䈀一 吀攀爀洀椀渀愀氀 䤀䴀倀 椀猀 渀漀琀 equipped to test NETRJS. We are assuming that initial connection to਀   琀栀攀 一䔀吀刀䨀匀 氀漀最最攀爀 椀渀搀椀挀愀琀攀猀 琀栀愀琀 一䔀吀刀䨀匀 椀猀 愀氀猀漀 昀甀渀挀琀椀漀渀椀渀最⸀ ਀      开开开开开开开开开开开开 #These sites advertise that they may not have their system਀      愀瘀愀椀氀愀戀氀攀 愀琀 琀栀攀猀攀 琀椀洀攀猀⸀ ਀ ਀ ਀ ਀ ਀ ਀        嬀吀栀椀猀 刀䘀䌀 眀愀猀 瀀甀琀 椀渀琀漀 洀愀挀栀椀渀攀 爀攀愀搀愀戀氀攀 昀漀爀洀 昀漀爀 攀渀琀爀礀崀 [into the online RFC archives by Hilhne Morin, Viaginie, 12/99]਀ ਀ ਀ ਀ ਀ ਀ ਀ Westheimer [Page 4]਀ ------------------------------------------------------------------------਀ Network Working Group E. Westheimer਀刀攀焀甀攀猀琀 昀漀爀 䌀漀洀洀攀渀琀猀㨀 ㌀　㘀                                            䈀䈀一 NIC: 9257 February 15, 1972਀伀戀猀漀氀攀琀攀猀㨀 一漀渀攀 ਀ NETWORK HOST STATUS਀ This RFC reports on the status of most Network Hosts from January 31਀   琀漀 䘀攀戀爀甀愀爀礀 ㄀㄀⸀ ਀   匀攀瘀攀爀愀氀 䠀漀猀琀猀 愀爀攀 挀甀爀爀攀渀琀氀礀 攀砀挀氀甀搀攀搀 昀爀漀洀 琀栀攀 搀愀椀氀礀 琀攀猀琀椀渀最⸀  吀栀攀猀攀 Hosts fall into two categories:਀ 1) Hosts which are not expected to be functioning on the Network਀          愀猀 猀攀爀瘀攀爀猀 ⠀愀瘀愀椀氀愀戀氀攀 昀漀爀 甀猀攀 昀爀漀洀 漀琀栀攀爀 猀椀琀攀猀⤀ 漀渀 愀 爀攀最甀氀愀爀 basis for at least two weeks. Included here are:਀ NETWORK SITE COMPUTER਀          䄀䐀䐀刀䔀匀匀 ਀          ㄀㌀㌀                  䈀䈀一                 倀䐀倀ⴀ㄀　  ⠀䈀⤀ 13 Case PDP-10਀          ㄀㔀                   䄀洀攀猀⼀⠀倀愀漀氀椀⤀        䤀䰀䰀䤀䄀䌀⼀⠀䈀㘀㔀　　⤀ ਀      ㈀⤀  䠀漀猀琀猀 眀栀椀挀栀 愀爀攀 挀甀爀爀攀渀琀氀礀 椀渀琀攀渀搀攀搀 琀漀 戀攀 甀猀攀爀猀 漀渀氀礀⸀  䤀渀挀氀甀搀攀搀 here are the Terminal IMPs, which are presently in the Network਀          ⠀䄀䴀䔀匀Ⰰ 䴀䤀吀刀䔀Ⰰ 一䈀匀 愀渀搀 䈀䈀一⨀⤀⸀  吀栀椀猀 挀愀琀攀最漀爀礀 愀氀猀漀 椀渀挀氀甀搀攀猀 琀栀攀 Network Control Center computer (Network Address 5) which is਀          甀猀攀搀 猀漀氀攀氀礀 昀漀爀 最愀琀栀攀爀椀渀最 猀琀愀琀椀猀琀椀挀猀 昀爀漀洀 琀栀攀 一攀琀眀漀爀欀⸀ Finally, included among these Hosts are the following:਀ NETWORK SITE COMPUTER਀          䄀䐀䐀刀䔀匀匀 ਀          㜀                    刀愀渀搀                䤀䈀䴀ⴀ㌀㘀　⼀㘀㔀 73 Harvard PDP-1਀          ㄀㈀                   䤀氀氀椀渀漀椀猀            倀䐀倀ⴀ㄀㄀ 19 NBS PDP-11਀ The tables on the next two pages summarize the Host status for this਀   瀀攀爀椀漀搀⸀ ਀   开开开开开开开开 *The BBN Terminal IMP (Network Address 158) is a prototype and as਀   猀甀挀栀 椀猀 昀爀攀焀甀攀渀琀氀礀 渀漀琀 挀漀渀渀攀挀琀攀搀 琀漀 琀栀攀 一攀琀眀漀爀欀Ⰰ 戀甀琀 戀攀椀渀最 甀猀攀搀 琀漀 refine and debug the Terminal IMP programs.਀ ਀ ਀圀攀猀琀栀攀椀洀攀爀                                                      嬀倀愀最攀 ㄀崀 ਀ RFC 306 Network Host Status February 1972਀ ਀                                                           ∀匀吀䄀吀唀匀 伀刀 SITE SITE COMPUTER STATUS OR PREDICTIONS"਀   䄀䐀䐀刀䔀匀匀                             倀刀䔀䐀䤀䌀吀䤀伀一          伀䈀吀䄀䤀一䔀䐀 䘀刀伀䴀 ਀      ㄀     唀䌀䰀䄀         匀䤀䜀䴀䄀ⴀ㜀       匀攀爀瘀攀爀 ⌀ 䰀椀洀椀琀攀搀   䨀漀渀 倀漀猀琀攀氀 65 UCLA IBM-360/91 NETRJS now Bob Braden਀                                       ⠀吀攀氀渀攀琀 椀渀 䄀瀀爀椀氀⤀ 2 SRI(NIC) PDP-10 Server John Melvin਀     㘀㘀     匀刀䤀⠀䄀䤀⤀      倀䐀倀ⴀ㄀　        匀伀伀一               䰀攀渀 䌀栀愀椀琀攀渀 3 UCSB IBM-360/75 Server Jim White਀      㐀     唀吀䄀䠀         倀䐀倀ⴀ㄀　        匀攀爀瘀攀爀             䈀愀爀爀礀 圀攀猀猀氀攀爀 *5 BBN(NCC) DDP-516 Never Alex McKenzie਀     㘀㤀     䈀䈀一⠀吀䔀一䔀堀ⴀ䄀⤀ 倀䐀倀ⴀ㄀　        匀攀爀瘀攀爀             䐀愀渀 䴀甀爀瀀栀礀 *133 BBN(TENEX-B) PDP-10 Server(Exper.) Dan Murphy਀      㘀     䴀䤀吀⠀䴀甀氀琀椀挀猀⤀ 䠀ⴀ㘀㐀㔀         匀攀爀瘀攀爀             䴀椀欀攀 倀愀搀氀椀瀀猀欀礀 70 MIT(DM) PDP-10 Server Bob Bressler਀     ⨀㜀     刀䄀一䐀         䤀䈀䴀ⴀ㌀㘀　⼀㘀㔀    唀猀攀爀 漀渀氀礀          䔀爀椀挀 䠀愀爀猀氀攀洀 71 RAND PDP-10 Server Eric Harslem਀     ⨀㠀     匀䐀䌀          䤀䈀䴀ⴀ㌀㜀　⼀㄀㔀㔀   匀攀爀瘀攀爀             䈀漀戀 䰀漀渀最 9 HARVARD PDP-10 Server Bob Sundberg਀    ⨀㜀㌀     䠀䄀刀嘀䄀刀䐀      倀䐀倀ⴀ㄀         唀猀攀爀 漀渀氀礀          䈀漀戀 匀甀渀搀戀攀爀最 10 LINCOLN IBM-360/67 SOON Joel Winnet਀     㜀㐀     䰀䤀一䌀伀䰀一      吀堀ⴀ㈀          匀攀爀瘀攀爀             圀椀氀氀 䬀愀渀琀爀漀眀椀琀稀 11 STANFORD PDP-10 SOON Andy Moorer਀    ⨀㄀㈀     䤀䰀䰀䤀一伀䤀匀     倀䐀倀ⴀ㄀㄀        唀猀攀爀 漀渀氀礀          䨀漀栀渀 䌀爀愀瘀椀琀猀 *13 CASE PDP-10 March Charles Rose਀     ㄀㐀     䌀䄀刀一䔀䜀䤀䔀     倀䐀倀ⴀ㄀　        匀伀伀一               䠀愀氀 嘀愀渀娀漀攀爀攀渀 15 AMES/(PAOLI) ILLIAC September John McConnell਀                           ⠀䈀㘀㔀　　⤀ 16 AMES IBM-360/67 SOON Wayne Hathaway਀   ⨀㄀㐀㐀     䄀䴀䔀匀         吀䤀倀           唀猀攀爀 漀渀氀礀 *145 MITRE TIP User only਀    ⨀㄀㤀     一䈀匀          倀䐀倀ⴀ㄀㄀        唀猀攀爀 漀渀氀礀          刀漀戀攀爀琀 刀漀猀攀渀琀栀愀氀 *147 NBS TIP User only਀   ⨀㄀㔀㠀     䈀䈀一          吀䤀倀           唀猀攀爀 漀渀氀礀 (Prototype)਀ ________਀   ⨀ 䠀漀猀琀 渀漀琀 椀渀挀氀甀搀攀搀 椀渀 搀愀椀氀礀 琀攀猀琀椀渀最⸀ ਀   ⌀ 吀栀攀 一䴀䌀 椀猀 愀 爀攀猀攀愀爀挀栀 猀椀琀攀 愀渀搀 眀漀甀氀搀 氀椀欀攀 琀漀 栀愀瘀攀 瀀爀椀漀爀 愀爀爀愀渀最攀洀攀渀琀 with each user.਀ ਀ ਀ ਀ ਀ Westheimer [Page 2]਀ ਀刀䘀䌀 ㌀　㘀                   一攀琀眀漀爀欀 䠀漀猀琀 匀琀愀琀甀猀              䘀攀戀爀甀愀爀礀 ㄀㤀㜀㈀ ਀ SITE SITE DATE AND TIME (EASTERN)਀一伀⸀                ㄀⼀㌀㄀  ㈀⼀㄀  ㈀⼀㈀  ㈀⼀㌀  ㈀⼀㐀  ㈀⼀㜀  ㈀⼀㠀  ㈀⼀㤀  ㈀⼀㄀　  ㈀⼀㄀㄀ 1430 1530 1430 1630 1530 1830 1500 1730 1000 1230਀ 1 UCLA-NMC H O O O O O O O O #D਀㘀㔀   唀䌀䰀䄀ⴀ䌀䌀一       伀     伀    伀    伀    䐀    伀    伀    伀     䐀    ⌀䐀 2 SRI-ARC O O D O O O O T H O਀㘀㘀   匀刀䤀ⴀ䄀䤀         䐀     䐀    䐀    䐀    䐀    䐀    䐀    䐀     䐀    䐀 3 UCSB-MOD75 O O H O H D O O O O਀㐀    唀吀䄀䠀ⴀ㄀　        䐀     伀    吀    伀    䐀    䐀    䐀    伀     䐀    䐀 69 BBN-TENEX T O O O O D O O O O਀㘀    䴀䤀吀ⴀ䴀甀氀琀椀挀猀    伀     伀    䐀    伀    伀    䐀    刀    䐀     伀    伀 MIT-DMCG H D D D D D H D O O਀㜀㄀   刀䄀一䐀ⴀ䌀匀䜀       吀     吀    吀    䐀    䐀    䐀    䐀    䐀     吀    吀 8 SDC-ADEPT #D #D #D #D #D D #D D #D #D਀㤀    䠀䄀刀嘀䄀刀䐀        伀     伀    伀    伀    ⌀䐀   ⌀吀   伀    伀     䐀    ⌀䐀 10 L.L.-67 T H H D H D H H H H਀㜀㐀   䰀⸀䰀⸀ⴀ吀堀ⴀ㈀      䐀     䐀    䐀    吀    吀    ⌀䐀   伀    ⌀䐀    䐀    ⌀吀 11 SU-AI D D D D D D D D D D਀㄀㐀   䌀䴀唀ⴀ㄀　         䐀     䠀    䠀    䠀    䠀    䐀    䐀    䐀     䐀    䠀 16 AMES-67 D D D D D D D D D D਀ where਀ D = Dead (Destination Host either dead or inaccessible [due to਀       渀攀琀眀漀爀欀 瀀愀爀琀椀琀椀漀渀椀渀最 漀爀 氀漀挀愀氀 䤀䴀倀 昀愀椀氀甀爀攀崀 昀爀漀洀 琀栀攀 䈀䈀一 吀攀爀洀椀渀愀氀 IMP.)਀ H = 1/2 Open (Destination Host opened a connection but then either਀       椀洀洀攀搀椀愀琀攀氀礀 挀氀漀猀攀搀 椀琀Ⰰ 漀爀 搀椀搀 渀漀琀 爀攀猀瀀漀渀搀 愀渀礀 昀甀爀琀栀攀爀⸀⤀ ਀   伀 㴀 伀瀀攀渀 ⠀䐀攀猀琀椀渀愀琀椀漀渀 䠀漀猀琀 漀瀀攀渀攀搀 愀 挀漀渀渀攀挀琀椀漀渀 愀渀搀 眀愀猀 愀挀挀攀猀猀椀戀氀攀 琀漀 users.)਀ R = Refused (Destination Host returned a CLS to the initial RFC.)਀ T = Time out (Destination Host did not complete the ICP and open a਀       挀漀渀渀攀挀琀椀漀渀 眀椀琀栀椀渀 㘀　 猀攀挀漀渀搀猀⸀⤀ ਀ ਀   开开开开开开开开 * The only service currently offered by the UCLA IBM-360/91 is a਀   一攀琀眀漀爀欀 䨀漀戀 匀攀爀瘀椀挀攀 ⠀一䔀吀刀䨀匀⤀Ⰰ 栀漀眀攀瘀攀爀Ⰰ 琀栀攀 䈀䈀一 吀攀爀洀椀渀愀氀 䤀䴀倀 椀猀 渀漀琀 equipped to test NETRJS. We are assuming that initial connection to਀   琀栀攀 一䔀吀刀䨀匀 氀漀最最攀爀 椀渀搀椀挀愀琀攀猀 琀栀愀琀 一䔀吀刀䨀匀 椀猀 愀氀猀漀 昀甀渀挀琀椀漀渀椀渀最⸀ ਀ ਀ ਀圀攀猀琀栀攀椀洀攀爀                                                      嬀倀愀最攀 ㌀崀 ਀ RFC 306 Network Host Status February 1972਀ ਀   ⌀ 吀栀攀猀攀 猀椀琀攀猀 愀搀瘀攀爀琀椀猀攀 琀栀愀琀 琀栀攀礀 洀愀礀 渀漀琀 栀愀瘀攀 琀栀攀椀爀 猀礀猀琀攀洀 愀瘀愀椀氀愀戀氀攀 at these times.਀ ਀ ਀ ਀ ਀ ਀ [This RFC was put into machine readable form for entry]਀     嬀椀渀琀漀 琀栀攀 漀渀氀椀渀攀 刀䘀䌀 愀爀挀栀椀瘀攀猀 戀礀 䠀⠀溛攀 䴀漀爀椀渀Ⰰ 嘀椀愀最꤀斛 ㄀　⼀㤀㤀崀 ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ Westheimer [Page 4]਀ ------------------------------------------------------------------------਀ Network Working Group E. Westheimer਀刀攀焀甀攀猀琀 昀漀爀 䌀漀洀洀攀渀琀猀㨀 ㈀㤀㠀                                ㄀ 䘀攀戀爀甀愀爀礀 ㄀㤀㜀㈀ NIC: 8486਀ NETWORK HOST STATUS਀ ਀   吀栀椀猀 刀䘀䌀 爀攀瀀漀爀琀猀 漀渀 琀栀攀 猀琀愀琀甀猀 漀昀 洀漀猀琀 一攀琀眀漀爀欀 䠀漀猀琀猀 昀爀漀洀 䨀愀渀甀愀爀礀 ㄀㜀 to January 28.਀ Several Hosts are currently excluded from the daily testing. These਀   䠀漀猀琀猀 昀愀氀氀 椀渀琀漀 琀眀漀 挀愀琀攀最漀爀椀攀猀㨀 ਀   ㄀⤀ 䠀漀猀琀猀 眀栀椀挀栀 愀爀攀 渀漀琀 攀砀瀀攀挀琀攀搀 琀漀 戀攀 昀甀渀挀琀椀漀渀椀渀最 漀渀 琀栀攀 一攀琀眀漀爀欀 愀猀 servers (available for use from other sites) on a regular basis਀      昀漀爀 愀琀 氀攀愀猀琀 琀眀漀 眀攀攀欀猀⸀  䤀渀挀氀甀搀攀搀 栀攀爀攀 愀爀攀㨀 ਀         一䔀吀圀伀刀䬀             匀䤀吀䔀           䌀伀䴀倀唀吀䔀刀 ADDRESS਀ 133 BBN PDP-10(B)਀         ㄀㌀                  䌀愀猀攀           倀䐀倀ⴀ㄀　 15 Ames/(Paoli) ILLIAC/(B6500)਀ 2) Hosts which are currently intended to be users only. Included਀      栀攀爀攀 愀爀攀 琀栀攀 吀攀爀洀椀渀愀氀 䤀䴀倀猀Ⰰ 眀栀椀挀栀 愀爀攀 瀀爀攀猀攀渀琀氀礀 椀渀 琀栀攀 一攀琀眀漀爀欀 (AMES, MITRE, NBS and BBN*). This category also includes the਀      一攀琀眀漀爀欀 䌀漀渀琀爀漀氀 䌀攀渀琀攀爀 ⠀一攀琀眀漀爀欀 䄀搀搀爀攀猀猀 㔀⤀ 眀栀椀挀栀 椀猀 甀猀攀搀 猀漀氀攀氀礀 for gathering statistics from the Network. Finally, included਀      愀洀漀渀最 琀栀攀猀攀 䠀漀猀琀猀 愀爀攀 琀栀攀 昀漀氀氀漀眀椀渀最㨀 ਀         一䔀吀圀伀刀䬀             匀䤀吀䔀           䌀伀䴀倀唀吀䔀刀 ADDRESS਀ 7 Rand IBM-360/65਀         㜀㌀                  䠀愀爀瘀愀爀搀        倀䐀倀ⴀ㄀ 12 Illinois PDP-11਀         ㄀㤀                  一䈀匀            倀䐀倀ⴀ㄀㄀ ਀   一伀吀䔀㨀  䐀甀爀椀渀最 琀栀椀猀 椀渀琀攀爀瘀愀氀 戀漀琀栀 琀栀攀 唀吀䄀䠀 倀䐀倀ⴀ㄀　 愀渀搀 琀栀攀 刀䄀一䐀 倀䐀倀ⴀ㄀　 became Network servers.਀ The tables on the next two pages summarize the Host status for this਀   瀀攀爀椀漀搀⸀ ਀   ⨀ 吀栀攀 䈀䈀一 吀攀爀洀椀渀愀氀 䤀䴀倀 ⠀一攀琀眀漀爀欀 䄀搀搀爀攀猀猀 ㄀㔀㠀⤀ 椀猀 愀 瀀爀漀琀漀琀礀瀀攀 愀渀搀 愀猀 such is frequently not connected to the Network, but being used to਀   爀攀昀椀渀攀 愀渀搀 搀攀戀甀最 琀栀攀 吀攀爀洀椀渀愀氀 䤀䴀倀 瀀爀漀最爀愀洀猀⸀ ਀ ਀圀攀猀琀栀攀椀洀攀爀                                                      嬀倀愀最攀 ㄀崀 ਀ RFC 298 NETWORK HOST STATUS February 1972਀ ਀䄀䐀䐀刀䔀匀匀  匀䤀吀䔀           䌀伀䴀倀唀吀䔀刀          䐀䄀吀䔀 䄀一䐀 吀䤀䴀䔀 ⠀䔀䄀匀吀䔀刀一⤀ 1/17 1/18 1/19 1/20 1/21਀                                        ㄀㠀　　  ㄀㜀㌀　  ㄀　　　  ㄀㔀　　  ㄀㜀㌀　 ਀  ㄀      唀䌀䰀䄀⠀一䴀䌀⤀      匀䤀䜀䴀䄀ⴀ㜀         ⌀䠀     伀    ⌀䐀     伀     伀 65 UCLA(CCN) IBM-360/91 O O #D O O਀  ㈀      匀刀䤀⠀一䤀䌀⤀       倀䐀倀ⴀ㄀　           伀     伀     伀     伀     伀 66 SRI(AI) PDP-10 D D D D D਀  ㌀      唀䌀匀䈀           䤀䈀䴀ⴀ㌀㘀　⼀㜀㔀       伀     伀     伀     䐀     伀 4 UTAH PDP-10 T T #T O O਀ 㘀㤀      䈀䈀一⠀㄀　堀ⴀ䄀⤀     倀䐀倀ⴀ㄀　           伀     伀     䐀     伀     䐀 6 MIT(Multics) H-645 O T O D O਀ 㜀　      䴀䤀吀⠀䐀䴀⤀        倀䐀倀ⴀ㄀　           䐀     䐀     伀     伀     䐀 71 RAND PDP-10 D D O D D਀  㠀      匀䐀䌀            䤀䈀䴀ⴀ㌀㘀　⼀㄀㔀㔀     ⌀䐀    ⌀䐀    ⌀䐀    ⌀䐀    ⌀䐀 9 HARVARD PDP-10 O #D O #D #D਀ ㄀　      䰀䤀一䌀伀䰀一 䰀䄀䈀匀   䤀䈀䴀ⴀ㌀㘀　⼀㘀㜀       䐀     䠀     吀     䠀     䠀 74 LINCOLN LABS TX2 #D #T #D R O਀ ㄀㄀      匀吀䄀一䘀伀刀䐀       倀䐀倀ⴀ㄀　           䐀     䐀     䐀     䐀     䐀 14 CARNEGIE PDP-10 H H H H H਀ ㄀㘀      䄀䴀䔀匀           䤀䈀䴀ⴀ㌀㘀　⼀㘀㜀       䐀     䐀     䐀     䐀     䐀 ਀ ADDRESS SITE COMPUTER DATE AND TIME (EASTERN)਀                                        ㄀⼀㈀㐀  ㄀⼀㈀㔀  ㄀⼀㈀㘀  ㄀⼀㈀㜀  ㄀⼀㈀㠀 1430 1630 1730 1300 1530਀ 1 UCLA(NMC) SIGMA-7 O O O O T਀ 㘀㔀      唀䌀䰀䄀⠀䌀䌀一⤀      䤀䈀䴀ⴀ㌀㘀　⼀㤀㄀       伀     伀     伀     伀     伀 2 SRI(NIC) PDP-10 O O T O O਀ 㘀㘀      匀刀䤀⠀䄀䤀⤀        倀䐀倀ⴀ㄀　           䐀     䐀     䐀     䐀     䐀 3 UCSB IBM-360/75 O O D O O਀  㐀      唀吀䄀䠀           倀䐀倀ⴀ㄀　           伀     伀     伀     伀     伀 69 BBN(10X-A) PDP-10 O D O H O਀  㘀      䴀䤀吀⠀䴀甀氀琀椀挀猀⤀   䠀ⴀ㘀㐀㔀            刀     伀     䐀     伀     䐀 70 MIT(DM) PDP-10 O D T O H਀ 㜀㄀      刀䄀一䐀           倀䐀倀ⴀ㄀　           吀     䐀     䐀     伀     䐀 8 SDC IBM-360/155 #D #D #D #D #D਀  㤀      䠀䄀刀嘀䄀刀䐀        倀䐀倀ⴀ㄀　          ⌀刀    ⌀刀     伀     伀     伀 10 LINCOLN LABS IBM-360/67 H D H T H਀ 㜀㐀      䰀䤀一䌀伀䰀一 䰀䄀䈀匀   吀堀㈀              伀     伀     伀     伀     吀 11 STANFORD PDP-10 D D D D D਀ ㄀㐀      䌀䄀刀一䔀䜀䤀䔀       倀䐀倀ⴀ㄀　           䐀     䠀     䠀     䐀     䠀 16 AMES IBM-360/67 D D D D D਀ ਀ ਀ ਀ Westheimer [Page 2]਀ ਀刀䘀䌀 ㈀㤀㠀                   一䔀吀圀伀刀䬀 䠀伀匀吀 匀吀䄀吀唀匀              䘀攀戀爀甀愀爀礀 ㄀㤀㜀㈀ ਀ where਀ D = Dead (Destination Host either dead or inaccessible [due to਀      渀攀琀眀漀爀欀 瀀愀爀琀椀琀椀漀渀椀渀最 漀爀 氀漀挀愀氀 䤀䴀倀 昀愀椀氀甀爀攀崀 昀爀漀洀 琀栀攀 䈀䈀一 吀攀爀洀椀渀愀氀 IMP.)਀ H = 1/2 Open (Destination Host opened a connection but then either਀      椀洀洀攀搀椀愀琀攀氀礀 挀氀漀猀攀搀 椀琀Ⰰ 漀爀 搀椀搀 渀漀琀 爀攀猀瀀漀渀搀 愀渀礀 昀甀爀琀栀攀爀⸀⤀ ਀      伀 㴀 伀瀀攀渀 ⠀䐀攀猀琀椀渀愀琀椀漀渀 䠀漀猀琀 漀瀀攀渀攀搀 愀 挀漀渀渀攀挀琀椀漀渀 愀渀搀 眀愀猀 愀挀挀攀猀猀椀戀氀攀 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਀      愀 挀漀渀渀攀挀琀椀漀渀 眀椀琀栀椀渀 㘀　 猀攀挀漀渀搀⤀ ਀      ⨀ 吀栀攀 漀渀氀礀 猀攀爀瘀椀挀攀 挀甀爀爀攀渀琀氀礀 漀昀昀攀爀攀搀 戀礀 琀栀攀 唀䌀䰀䄀 䤀䈀䴀ⴀ㌀㘀　⼀㤀㄀ 椀猀 愀 Network Job Service (NETRJS), however, the BBN Terminal IMP is not਀      攀焀甀椀瀀瀀攀搀 琀漀 琀攀猀琀 一䔀吀刀䨀匀⸀  圀攀 愀爀攀 愀猀猀甀洀椀渀最 琀栀愀琀 椀渀椀琀椀愀氀 挀漀渀渀攀挀琀椀漀渀 to the NETRJS logger indicated the NETRJS is also functioning.਀ #These sites advertise that they may not have their system਀      愀瘀愀椀氀愀戀氀攀 愀琀 琀栀攀猀攀 琀椀洀攀猀 ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀ ਀圀攀猀琀栀攀椀洀攀爀                                                      嬀倀愀最攀 ㌀崀 ਀ RFC 298 NETWORK HOST STATUS February 1972਀ ਀                                                            匀吀䄀吀唀匀 伀刀 SITE SITE COMPUTER STATUS OR PREDICTIONS਀   䄀䐀䐀刀䔀匀匀                               倀刀䔀䐀䤀䌀吀䤀伀一         伀䈀吀䄀䤀一䔀䐀 䘀刀伀䴀 ਀      ㄀       唀䌀䰀䄀         匀䤀䜀䴀䄀ⴀ㜀      匀攀爀瘀攀爀⠀⌀䰀椀洀椀琀攀搀⤀    䨀漀栀渀 倀漀猀琀攀氀 65 UCLA IBM-360/91 Remote Job Service Bob Braden਀                                        ⠀吀攀氀渀攀琀 椀渀 䄀瀀爀椀氀⤀ 2 SRI(NIC) PDP-10 Server John Melvin਀     㘀㘀       匀刀䤀⠀䄀䤀⤀      倀䐀倀ⴀ㄀　       ∀匀漀漀渀∀              䰀攀渀 䌀栀愀椀琀攀渀 3 UCSB IBM-360/75 Server Jim White਀      㐀       唀吀䄀䠀         倀䐀倀ⴀ㄀　       匀攀爀瘀攀爀              䈀愀爀爀礀 圀攀猀猀氀攀爀 *5 BBN(NCC) DDP-516 Never Alex McKenzie਀     㘀㤀       䈀䈀一⠀吀䔀一䔀堀ⴀ䄀⤀ 倀䐀倀ⴀ㄀　       匀攀爀瘀攀爀              䐀愀渀 䴀甀爀瀀栀礀 *133 BBN(TENEX-B) PDP-10 Server(Exper.) Dan Murphy਀      㘀       䴀䤀吀⠀䴀甀氀琀椀挀猀⤀ 䠀ⴀ㘀㐀㔀        匀攀爀瘀攀爀              䴀椀欀攀 倀愀搀氀椀瀀猀欀礀 70 MIT(DM) PDP-10 Server Bob Bressler਀     ⨀㜀       刀䄀一䐀         䤀䈀䴀ⴀ㌀㘀　⼀㘀㔀   唀猀攀爀 漀渀氀礀           䔀爀椀挀 䠀愀爀猀氀攀洀 71 RAND PDP-10 Server Eric Harslem਀     ⨀㠀       匀䐀䌀          䤀䈀䴀ⴀ㌀　　⼀㄀㔀㔀  匀攀爀瘀攀爀              䈀漀戀 䰀漀渀最 9 HARVARD PDP-10 Server Bob Sundberg਀    ⨀㜀㌀       䠀䄀刀嘀䄀刀䐀      倀䐀倀ⴀ㄀        唀猀攀爀 漀渀氀礀           䈀漀戀 匀甀渀搀戀攀爀最 10 LINCOLN IBM-30/67 "Soon" Joel Winnet਀     㜀㐀       䰀䤀一䌀伀䰀一      吀堀ⴀ㈀         匀攀爀瘀攀爀              圀椀氀氀 䬀愀渀琀爀漀眀椀琀稀 11 STANFORD PDP-10 "Soon" Andy Moorer਀    ⨀㄀㈀       䤀䰀䰀䤀一伀䤀匀     倀䐀倀ⴀ㄀㄀       唀猀攀爀 漀渀氀礀           䨀漀栀渀 䌀爀愀瘀椀琀猀 *13 CASE PDP-10 March Charles Rose਀     ㄀㐀       䌀䄀刀一䔀䜀䤀䔀     倀䐀倀ⴀ㄀　       ∀匀漀漀渀∀              䠀愀氀 嘀愀渀娀漀攀爀攀渀 *15 AMES/(PAOLI) ILLIAC/B6500 September John McConnell਀     ㄀㘀       䄀䴀䔀匀         䤀䈀䴀ⴀ㌀㘀　⼀㘀㜀   ∀匀漀漀渀∀              圀愀礀渀攀 䠀愀琀栀愀眀愀礀 *144 AMES TIP User only਀   ⨀㄀㐀㔀       䴀䤀吀刀䔀        吀䤀倀          唀猀攀爀 漀渀氀礀 *19 NBS PDP-11 User only Robert਀                                                                 刀漀猀攀渀琀栀愀氀 *147 NBS TIP User only਀   ⨀㄀㔀㠀       䈀䈀一          吀䤀倀          唀猀攀爀 漀渀氀礀 (Prototype)਀ * Host not included in daily testing.਀ #The NMC is a research site and would like to have prior arrangement਀   眀椀琀栀 攀愀挀栀 甀猀攀爀⸀ ਀ [This RFC was put into machine readable form for entry]਀     嬀椀渀琀漀 琀栀攀 漀渀氀椀渀攀 刀䘀䌀 愀爀挀栀椀瘀攀猀 戀礀 䬀攀氀氀礀 吀愀爀搀椀昀Ⰰ 嘀椀愀 䜀攀渀椀攀 ㄀　⼀㄀㤀㤀㤀崀 ਀ ਀ ਀ Westheimer [Page 4]਀ ------------------------------------------------------------------------਀ Network Working Group Ellen Westheimer਀刀䘀䌀 ⌀㈀㤀㌀                                        䈀䈀一 NIC #8303 18 January 1972਀䌀愀琀攀最漀爀椀攀猀㨀  䘀Ⰰ 䜀⸀㌀ Updates: RFC 288਀伀戀猀漀氀攀琀攀猀㨀 一漀渀攀 ਀                          一䔀吀圀伀刀䬀 䠀伀匀吀 匀吀䄀吀唀匀 ਀     吀栀椀猀 刀䘀䌀 爀攀瀀漀爀琀猀 漀渀 琀栀攀 猀琀愀琀甀猀 漀昀 洀漀猀琀 一攀琀眀漀爀欀 䠀漀猀琀猀 昀爀漀洀 䨀愀渀甀愀爀礀 3 to January 15.਀ Several Hosts are currently excluded from the daily testing.਀吀栀攀猀攀 䠀漀猀琀猀 昀愀氀氀 椀渀琀漀 琀眀漀 挀愀琀攀最漀爀椀攀猀㨀 ਀㄀⤀ 䠀漀猀琀猀 眀栀椀挀栀 愀爀攀 渀漀琀 攀砀瀀攀挀琀攀搀 琀漀 戀攀 昀甀渀挀琀椀漀渀椀渀最 漀渀 琀栀攀 一攀琀眀漀爀欀 愀猀 servers (available for use from other sites) on a regular basis for at਀氀攀愀猀琀 琀眀漀 眀攀攀欀猀⸀  䤀渀挀氀甀搀攀搀 栀攀爀攀 愀爀攀㨀 ਀       一攀琀眀漀爀欀 Address Site Computer਀       ⴀⴀⴀⴀⴀⴀⴀ                ⴀⴀⴀⴀ            ⴀⴀⴀⴀⴀⴀⴀⴀ 133 BBN PDP-10 (B)਀           㠀⨀                 匀䐀䌀             䤀䈀䴀ⴀ㌀㜀　⼀㄀㔀㔀 13 Case PDP-10਀          ㄀㔀                  䄀洀攀猀⼀⠀倀愀漀氀椀⤀    䤀䰀䰀䤀䄀䌀ⴀ⠀䈀㘀㔀　　⤀ ਀㈀⤀ 䠀漀猀琀猀 眀栀椀挀栀 愀爀攀 挀甀爀爀攀渀琀氀礀 椀渀琀攀渀搀攀搀 琀漀 戀攀 甀猀攀爀猀 漀渀氀礀⸀  䤀渀挀氀甀搀攀搀 栀攀爀攀 are the Terminal IMPs, which are presently in the Network (AMES,਀䴀䤀吀刀䔀Ⰰ 一䈀匀 愀渀搀 䈀䈀一⨀⨀⤀⸀  吀栀椀猀 挀愀琀攀最漀爀礀 愀氀猀漀 椀渀挀氀甀搀攀猀 琀栀攀 一攀琀眀漀爀欀 Control Center Computer (Network Address 5) which is used solely for਀最愀琀栀攀爀椀渀最 猀琀愀琀椀猀琀椀挀猀 昀爀漀洀 琀栀攀 一攀琀眀漀爀欀⸀  䘀椀渀愀氀氀礀Ⰰ 椀渀挀氀甀搀攀搀 愀洀漀渀最 琀栀攀猀攀 Hosts are the following:਀ Network਀       䄀搀搀爀攀猀猀                匀椀琀攀            䌀漀洀瀀甀琀攀爀 ------- ---- --------਀          㜀                  刀愀渀搀            䤀䈀䴀ⴀ㌀㘀　⼀㘀㔀 73 Harvard PDP-1਀         ㄀㈀                  䤀氀氀椀渀漀椀猀        倀䐀倀ⴀ㄀㄀ 19 NBS PDP-11਀ The tables on the next two pages summarize the Host status for਀琀栀椀猀 瀀攀爀椀漀搀⸀ ______________਀ ਀ ਀ ਀                                                                嬀倀愀最攀 ㄀崀 ਀ *The SDC site is currently replacing their IBM 360/67 by an IBM਀㌀㜀　⼀㄀㔀㔀⸀  吀栀椀猀 猀椀琀攀 琀栀攀爀攀昀漀爀攀 椀猀 琀攀洀瀀漀爀愀爀椀氀礀 眀椀琀栀漀甀琀 愀渀礀 瀀攀爀洀愀渀攀渀琀 Host on the network, and for this reason was not included in the daily਀琀攀猀琀椀渀最 昀漀爀 琀栀攀 瀀爀攀挀攀搀椀渀最 琀眀漀 眀攀攀欀猀⸀ **The BBN Terminal IMP (Network Address 158) is a prototype and as਀猀甀挀栀 椀猀 昀爀攀焀甀攀渀琀氀礀 渀漀琀 挀漀渀渀攀挀琀攀搀 琀漀 琀栀攀 一攀琀眀漀爀欀Ⰰ 戀甀琀 戀攀椀渀最 甀猀攀搀 琀漀 refine and debug the Terminal IMP programs.਀ < In the original, the tables on this and the following page were typed >਀㰀 椀渀 ∀氀愀渀搀猀挀愀瀀攀∀ 昀漀爀洀愀琀⸀  䘀漀爀 琀栀椀猀 漀渀氀椀渀攀 瘀攀爀猀椀漀渀 琀栀攀 琀愀戀氀攀猀 愀爀攀        㸀 < compressed horizontally to fit on a "portrait"-oriented page >਀ "STATUS OR਀一䔀吀圀伀刀䬀                                                       倀刀䔀䐀䤀䌀吀䤀伀一∀ ADDRESS SITE COMPUTER STATUS OR PREDICTION OBTAINED FROM਀ⴀⴀⴀⴀⴀⴀⴀ  ⴀⴀⴀⴀ          ⴀⴀⴀⴀⴀⴀⴀⴀ      ⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀ     ⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀ ਀   ㄀     唀䌀䰀䄀          匀䤀䜀䴀䄀ⴀ㜀       匀攀爀瘀攀爀                   䨀漀渀 倀漀猀琀攀氀 65 UCLA IBM-360/91 Remote Job Service now, Bob Braden਀                                      吀攀氀渀攀琀 椀渀 䄀瀀爀椀氀 2 SRI(NIC) PDP-10 Server John Melvin਀  㘀㘀     匀刀䤀⠀䄀䤀⤀       倀䐀倀ⴀ㄀　        ∀匀漀漀渀∀                   䰀攀渀 䌀栀愀椀琀攀渀 3 UCSB IBM-360/75 Server Jim White਀  ⨀㔀     䈀䈀一⠀一䌀䌀⤀      䐀䐀倀ⴀ㔀㄀㘀       一攀瘀攀爀                    䈀愀爀爀礀 圀攀猀猀氀攀爀 69 BBN(TENEX-A) PDP-10 Server Alex McKenzie਀⨀㄀㌀㌀     䈀䈀一⠀吀䔀一䔀堀ⴀ䈀⤀  倀䐀倀ⴀ㄀　        匀攀爀瘀攀爀⠀䔀砀瀀攀爀⸀⤀           䐀愀渀 䴀甀爀瀀栀礀 6 MIT(Multics) H-645 Server Mike Padlipsky਀  㜀　     䴀䤀吀⠀䐀䴀⤀       倀䐀倀ⴀ㄀　        匀攀爀瘀攀爀                   䈀漀戀 䈀爀攀猀猀氀攀爀 *7 RAND IBM-360/65 User Only Eric Harslem਀  㜀㄀     刀䄀一䐀          倀䐀倀ⴀ㄀　        ∀匀漀漀渀∀                   䔀爀椀挀 䠀愀爀猀氀攀洀 *8 SDC IBM-360/67 Server Bob Long਀   㤀     䠀䄀刀嘀䄀刀䐀       倀䐀倀ⴀ㄀　        匀攀爀瘀攀爀                   䈀漀戀 匀甀渀搀戀攀爀最 *73 HARVARD PDP-1 User Only Bob Sundberg਀  ㄀　     䰀䤀一䌀伀䰀一       䤀䈀䴀ⴀ㌀㘀　⼀㘀㜀    ∀匀漀漀渀∀                   䨀漀攀氀 圀椀渀攀琀琀 74 LINCOLN TX2 Server Will Kantrowitz਀  ㄀㄀     匀吀䄀一䘀伀刀䐀      倀䐀倀ⴀ㄀　        ∀匀漀漀渀∀                   䄀渀搀礀 䴀漀漀爀攀爀 *12 ILLINOIS PDP-11 User Only John Cravits਀ ⨀㄀㌀     䌀䄀匀䔀          倀䐀倀ⴀ㄀　        䴀愀爀挀栀                    䌀栀愀爀氀攀猀 刀漀猀攀 14 CARNEGIE PDP-10 "Soon" Hal VanZoeren਀ ⨀㄀㔀     䄀䴀䔀匀⼀⠀倀䄀伀䰀䤀⤀  䤀䰀䰀䤀䄀䌀⼀⠀䈀㘀㔀　　⤀ 匀攀瀀琀攀洀戀攀爀               䨀漀栀渀 䴀挀䌀漀渀渀攀氀氀 16 AMES IBM-360/67 "Soon" Wayne Hathaway਀⨀㄀㐀㐀     䄀䴀䔀匀          吀䤀倀            唀猀攀爀 伀渀氀礀 *145 MITRE TIP User Only਀ ⨀㄀㤀     一䈀匀           倀䐀倀ⴀ㄀㄀         唀猀攀爀 伀渀氀礀               刀漀戀攀爀琀 刀漀猀攀渀琀栀愀氀 *147 NBS TIP User Only਀⨀㄀㔀㠀     䈀䈀一           吀䤀倀⠀倀爀漀琀漀琀礀瀀攀⤀ 唀猀攀爀 伀渀氀礀 ਀⨀ 䠀漀猀琀 渀漀琀 椀渀挀氀甀搀攀搀 椀渀 搀愀椀氀礀 琀攀猀琀椀渀最 ਀ ਀                                                                嬀倀愀最攀 ㈀崀 ਀ NET਀䄀䐀䐀刀 匀䤀吀䔀     䌀伀䴀倀唀吀䔀刀             䐀䄀吀䔀 䄀一䐀 吀䤀䴀䔀 ⠀䔀䄀匀吀䔀刀一⤀ ---- ---- -------- -----------------------਀ 1/3 1/4 1/5 1/6 1/7 1/10 1/11 1/12 1/14 1/15਀                          ㄀㜀　　 ㄀㌀㌀　 ㄀㈀　　 ㄀㠀　　 　㤀　　 ㄀㜀㌀　 ㄀　㌀　 ㄀　㌀　 ㄀㠀　　 ㄀　　　 1 UCLA(NMC) SIGMA-7 O O #D O O O O #D O O਀㘀㔀  唀䌀䰀䄀⠀䌀䌀一⤀ 䤀䈀䴀ⴀ㌀㘀　⼀㤀㄀    伀    伀    伀    䐀   ⌀䐀    伀    伀    伀    伀    䐀 2 SRI(NIC) PDP-10 O #D O O D O O O T O਀㘀㘀  匀刀䤀⠀䄀䤀⤀   倀䐀倀ⴀ㄀　        䐀    䐀    䐀    䐀    䐀    䐀    䐀    䐀    䐀    䐀 3 UCSB IBM-360/75 D D #D O O D D #D D D਀ 㐀  唀吀䄀䠀      倀䐀倀ⴀ㄀　        䐀    䐀   ⌀䐀    伀    伀    䐀    䐀   ⌀䐀    䐀    䐀 69 BBN(10X-A)PDP-10 O O H O O O O O D T਀ 㘀  䴀䤀吀⠀䴀甀氀琀椀挀猀⤀䠀ⴀ㘀㐀㔀       伀    䐀    䐀    䐀    伀    伀    伀    䐀    吀    伀 70 MIT(DM) PDP-10 O O O T O O D D O T਀㜀㄀  刀䄀一䐀      倀䐀倀ⴀ㄀　        吀    䐀    䐀    吀    䐀    䐀    䐀    䐀    䐀    䐀 9 HARVARD PDP-10 #T #D O #D D #D O T #D O਀㄀　  䰀䰀        䤀䈀䴀ⴀ㌀㘀　⼀㘀㜀    䐀    吀    䠀    䐀    䐀    䐀    䠀    䐀    䐀    䠀 74 LL TX-2 H H #D T D O H #D O O਀㄀㄀  匀吀䄀一䘀伀刀䐀  倀䐀倀ⴀ㄀　        䐀    䐀    䐀    䐀    䐀    䐀    䐀    䐀    䐀    䐀 14 CARNEGIE PDP-10 D T D D D D D D D H਀㄀㘀  䄀䴀䔀匀      䤀䈀䴀ⴀ㌀㘀　⼀㘀㜀    䐀    䐀    䐀    䐀    䐀    䐀    䐀    䐀    䐀    䠀 ਀眀栀攀爀攀 D = Dead (Destination Host either dead or inaccessible [due to network਀     瀀愀爀琀椀琀椀漀渀椀渀最 漀爀 氀漀挀愀氀 䤀䴀倀 昀愀椀氀甀爀攀崀 昀爀漀洀 琀栀攀 䈀䈀一 吀攀爀洀椀渀愀氀 䤀䴀倀⸀⤀ ਀䠀 㴀  ㄀⼀㈀ 伀瀀攀渀 ⠀䐀攀猀琀椀渀愀琀椀漀渀 䠀漀猀琀 漀瀀攀渀攀搀 愀 挀漀渀渀攀挀琀椀漀渀 戀甀琀 琀栀攀渀 攀椀琀栀攀爀 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਀    挀漀渀渀攀挀琀椀漀渀 眀椀琀栀椀渀 㘀　 猀攀挀漀渀搀猀⸀ ਀⨀吀栀攀 漀渀氀礀 猀攀爀瘀椀挀攀 挀甀爀爀攀渀琀氀礀 漀昀昀攀爀攀搀 戀礀 琀栀攀 唀䌀䰀䄀 䤀䈀䴀ⴀ㌀㘀　⼀㤀㄀ 椀猀 愀 一攀琀眀漀爀欀 䨀漀戀 Service (NETRJS), however, the BBN Terminal IMP is not equipped to test਀一䔀吀刀䨀匀⸀  圀攀 愀爀攀 愀猀猀甀洀椀渀最 琀栀愀琀 椀渀椀琀椀愀氀 挀漀渀渀攀挀琀椀漀渀 琀漀 琀栀攀 一䔀吀刀䨀匀 氀漀最最攀爀 indicates that NETRJS is also functioning.਀ #These sites advertise that they may not have their system available at these਀琀椀洀攀猀⸀ ਀       嬀 吀栀椀猀 刀䘀䌀 眀愀猀 瀀甀琀 椀渀琀漀 洀愀挀栀椀渀攀 爀攀愀搀愀戀氀攀 昀漀爀洀 昀漀爀 攀渀琀爀礀 崀 [ into the online RFC archives by BBN Corp. under the ]਀       嬀 搀椀爀攀挀琀椀漀渀 漀昀 䄀氀攀砀 䴀挀䬀攀渀稀椀攀⸀                   ㄀㈀⼀㤀㘀   崀 ਀ ਀                                                                嬀倀愀最攀 ㌀崀 ਀ [Page 4]਀ ---------------------------------------------------------------------------਀ Network Working Group E. Westheimer਀刀攀焀甀攀猀琀 昀漀爀 䌀漀洀洀攀渀琀猀㨀 ㈀㠀㠀                                            䈀䈀一 NIC: 8274 January 6, 1972਀伀戀猀漀氀攀琀攀猀㨀 一漀渀攀 Updates: 287਀ ਀                          一䔀吀圀伀刀䬀 䠀伀匀吀 匀吀䄀吀唀匀 ਀   吀栀椀猀 刀䘀䌀 爀攀瀀漀爀琀猀 漀渀 琀栀攀 猀琀愀琀甀猀 漀昀 洀漀猀琀 一攀琀眀漀爀欀 䠀漀猀琀猀 昀爀漀洀 䐀攀挀攀洀戀攀爀 ㈀　 to December 30. (On December 24 and December 31 BBN celebrated਀   䌀栀爀椀猀琀洀愀猀 愀渀搀 一攀眀 夀攀愀爀✀猀 䐀愀礀 爀攀猀瀀攀挀琀椀瘀攀氀礀⸀⤀ ਀   䐀甀爀椀渀最 琀栀攀猀攀 琀眀漀 眀攀攀欀猀 琀栀攀 䰀椀渀挀漀氀渀 䰀愀戀猀 吀堀㈀ ⠀一攀琀眀漀爀欀 䄀搀搀爀攀猀猀 ㄀㄀㈀⤀ became a server.਀ Several Hosts are currently excluded from the daily testing. These਀   䠀漀猀琀猀 昀愀氀氀 椀渀琀漀 琀眀漀 挀愀琀攀最漀爀椀攀猀㨀 ਀      ㄀⤀  䠀漀猀琀猀 眀栀椀挀栀 愀爀攀 渀漀琀 攀砀瀀攀挀琀攀搀 琀漀 戀攀 昀甀渀挀琀椀漀渀椀渀最 漀渀 琀栀攀 一攀琀眀漀爀欀 as servers (available for use from other sites) on a regular basis਀      昀漀爀 愀琀 氀攀愀猀琀 琀眀漀 眀攀攀欀猀⸀  䤀渀挀氀甀搀攀搀 栀攀爀攀 愀爀攀㨀 ਀      一䔀吀圀伀刀䬀            匀䤀吀䔀            䌀伀䴀倀唀吀䔀刀 ADDRESS਀ 133 BBN PDP-10 (B)਀      ㄀㔀                 䌀愀猀攀            倀䐀倀ⴀ㄀　 13 Ames/(Paoli) ILLIAC/(B6500)਀ 2) Hosts which are currently intended to be users only. Included਀      栀攀爀攀 愀爀攀 琀栀攀 吀攀爀洀椀渀愀氀 䤀䴀倀猀Ⰰ 眀栀椀挀栀 愀爀攀 瀀爀攀猀攀渀琀氀礀 椀渀 琀栀攀 一攀琀眀漀爀欀 (AMES, MITRE, NBS and BBN*). This category also includes the਀      一攀琀眀漀爀欀 䌀漀渀琀爀漀氀 䌀攀渀琀攀爀 䌀漀洀瀀甀琀攀爀 ⠀一攀琀眀漀爀欀 䄀搀搀爀攀猀猀 㔀⤀ 眀栀椀挀栀 椀猀 甀猀攀搀 solely for gathering statistics from the Network. Finally,਀      椀渀挀氀甀搀攀搀 愀洀漀渀最 琀栀攀猀攀 䠀漀猀琀猀 愀爀攀 琀栀攀 昀漀氀氀漀眀椀渀最㨀 ਀      一䔀吀圀伀刀䬀             匀䤀吀䔀           䌀伀䴀倀唀吀䔀刀 ADDRESS਀ 7 Rand IBM-360/65਀      㜀㌀                  䠀愀爀瘀愀爀搀        倀䐀倀ⴀ㄀ 12 Illinois PDP-11਀      ㄀㤀                  一䈀匀            倀䐀倀ⴀ㄀㄀ ਀ ਀ ਀ ਀圀攀猀琀栀攀椀洀攀爀                                                      嬀倀愀最攀 ㄀崀 ਀ RFC 288 Network Host Status January 1972਀ ਀   ⨀ 吀栀攀 䈀䈀一 吀攀爀洀椀渀愀氀 䤀䴀倀 ⠀一攀琀眀漀爀欀 䄀搀搀爀攀猀猀 ㄀㔀㠀⤀ 椀猀 愀 瀀爀漀琀漀琀礀瀀攀 愀渀搀 愀猀 such is frequently not connected to the Network, but being used to਀   爀攀昀椀渀攀 愀渀搀 搀攀戀甀最 琀栀攀 吀攀爀洀椀渀愀氀 䤀䴀倀 瀀爀漀最爀愀洀猀⸀ ਀   吀栀攀 琀愀戀氀攀猀 漀渀 琀栀攀 渀攀砀琀 琀眀漀 瀀愀最攀猀 猀甀洀洀愀爀椀稀攀 琀栀攀 䠀漀猀琀 猀琀愀琀甀猀 昀漀爀 琀栀椀猀 period.਀ STATUS OR਀一䔀吀圀伀刀䬀   匀䤀吀䔀         䌀伀䴀倀唀吀䔀刀      匀吀䄀吀唀匀 伀刀          倀刀䔀䐀䤀䌀吀䤀伀一匀 ADDRESS PREDICTION OBTAINED FROM਀ 1 UCLA SIGMA-7 Server John Postel਀  㘀㔀      唀䌀䰀䄀         䤀䈀䴀ⴀ㌀㘀　⼀㤀㄀    刀攀洀漀琀攀 䨀漀戀 匀攀爀瘀椀挀攀 䈀漀戀 䈀爀愀搀攀渀 (Telnet in April)਀   ㈀      匀刀䤀⠀一䤀䌀⤀     倀䐀倀ⴀ㄀　        匀攀爀瘀攀爀             䨀漀栀渀 䴀攀氀瘀椀渀 66 SRI(AI) PDP-10 SOON Len Chaiten਀   ㌀      唀䌀匀䈀         䤀䈀䴀ⴀ㌀㘀　⼀㜀㔀    匀攀爀瘀攀爀             䨀椀洀 圀栀椀琀攀 4 UTAH PDP-10 SOON Barry Wessler਀  ⨀㔀      䈀䈀一⠀一䌀䌀⤀     䐀䐀倀ⴀ㔀㄀㘀       一攀瘀攀爀              䄀氀攀砀 䴀挀䬀攀渀稀椀攀 69 BBN(TENEX-A) PDP-10 Server Dan Murphy਀⨀㄀㌀㌀      䈀䈀一⠀吀䔀一䔀堀ⴀ䈀⤀ 倀䐀倀ⴀ㄀　        匀攀爀瘀攀爀⠀䔀砀瀀攀爀⸀⤀     䐀愀渀 䴀甀爀瀀栀礀 6 MIT(Multics) H-645 Server Mike Padlipsky਀  㜀　      䴀䤀吀⠀䐀䴀⤀      倀䐀倀ⴀ㄀　        匀攀爀瘀攀爀             䈀漀戀 䈀爀攀猀猀氀攀爀 *7 RAND IBM-360/65 User only Eric Harslem਀  㜀㄀      刀䄀一䐀         倀䐀倀ⴀ㄀　        匀伀伀一               䔀爀椀挀 䠀愀爀猀氀攀洀 *8 SDC IBM-360/67 Server Bob Long਀   㤀      䠀䄀刀嘀䄀刀䐀      倀䐀倀ⴀ㄀　        匀攀爀瘀攀爀             䈀漀戀 匀甀渀搀戀攀爀最 *73 HARVARD PDP-1 User only Bob Sundberg਀  ㄀　      䰀䤀一䌀伀䰀一      䤀䈀䴀ⴀ㌀㘀　⼀㘀㜀    匀伀伀一               䨀漀攀氀 圀椀渀渀攀琀 74 LINCOLN TX-2 Server Tom Barkalow਀  ㄀㄀      匀吀䄀一䘀伀刀䐀     倀䐀倀ⴀ㄀　        匀伀伀一               䄀渀搀礀 䴀漀漀爀攀爀 *12 ILLINOIS PDP-11 User only John Cravits਀ ⨀㄀㌀      䌀䄀匀䔀         倀䐀倀ⴀ㄀　        䴀愀爀挀栀              䌀栀愀爀氀攀猀 刀漀猀攀 14 CARNEGIE PDP-10 SOON Hal VanZoeren਀   㔀      䄀䴀䔀匀⼀⠀倀䄀伀䰀䤀⤀ 䤀䰀䰀䤀䄀䌀        匀攀瀀琀攀洀戀攀爀          䨀漀栀渀 䴀挀䌀漀渀渀攀氀氀 (B6500)਀  ㄀㘀      䄀䴀䔀匀         䤀䈀䴀ⴀ㌀㘀　⼀㘀㜀    匀伀伀一               圀愀礀渀攀 䠀愀琀栀愀眀愀礀 *144 AMES TIP User only਀⨀㄀㐀㔀      䴀䤀吀刀䔀        吀䤀倀           唀猀攀爀 漀渀氀礀 *19 NBS PDP-11 User only Robert Rosenthal਀⨀㄀㐀㜀      一䈀匀          吀䤀倀           唀猀攀爀 漀渀氀礀 *158 BBN TIP User only਀                       ⠀倀爀漀琀漀琀礀瀀攀⤀ ਀⨀ 䠀漀猀琀 渀漀琀 椀渀挀氀甀搀攀搀 椀渀 搀愀椀氀礀 琀攀猀琀椀渀最⸀ ਀ ਀ ਀ Westheimer [Page 2]਀ ਀刀䘀䌀 ㈀㠀㠀                   一攀琀眀漀爀欀 䠀漀猀琀 匀琀愀琀甀猀               䨀愀渀甀愀爀礀 ㄀㤀㜀㈀ ਀ ADDRESS SITE COMPUTER DATE AND TIME (EASTERN)਀   一䔀吀圀伀刀䬀                               ㄀㈀⼀㈀　 ㄀㈀⼀㈀㄀  ㄀㈀⼀㈀㈀ ㄀㈀⼀㈀㌀ 1700 1200 1400 1700਀ 1 UCLA SIGMA-7 O #D O O਀   㘀㔀⨀       唀䌀䰀䄀          䤀䈀䴀ⴀ㌀㘀　⼀㤀㄀       伀     伀     䐀      䐀 2 SRI(NIC) PDP-10 D O D D਀   㘀㘀        匀刀䤀⠀䄀䤀⤀       倀䐀倀ⴀ㄀　           䐀     䐀     䐀      䐀 3 UCSB IBM-360/75 T D D T਀    㐀        唀吀䄀䠀          倀䐀倀ⴀ㄀　           伀     伀     䐀      䐀 69 BBN PDP-10 H O D O਀    㘀        䴀䤀吀⠀䴀甀氀琀椀挀猀⤀  䠀ⴀ㘀㐀㔀            䐀     䐀     䐀      吀 70 MIT(DM) PDP-10 O O H O਀   㜀㄀        刀䄀一䐀          倀䐀倀ⴀ㄀　           䐀     䐀     䐀      䐀 8 SDC IBM-360/67 #D #D #D #D਀    㤀        䠀䄀刀嘀䄀刀䐀       倀䐀倀ⴀ㄀　           䐀     吀     䐀      䐀 10 LINCOLN LAB IBM-360/67 H H H D਀   㜀㐀        䰀䤀一䌀伀䰀一 䰀䄀䈀   吀堀㈀              䠀     䠀    ⌀䐀      吀 11 STANFORD PDP-10 D D D D਀   ㄀㐀        䌀䄀刀一䔀䜀䤀䔀      倀䐀倀ⴀ㄀　           䐀     䐀     䐀      䐀 16 AMES IBM-360/67 D D D D਀ ਀   䄀䐀䐀刀䔀匀匀   匀䤀吀䔀          䌀伀䴀倀唀吀䔀刀      䐀䄀吀䔀 䄀一䐀 吀䤀䴀䔀 ⠀䔀䄀匀吀䔀刀一⤀ NETWORK 12/27 12/28 12/29 12/30਀                                         ㄀㜀㌀　  ㄀㌀　　  ㄀㘀　　  ㄀㐀　　 ਀    ㄀        唀䌀䰀䄀          匀䤀䜀䴀䄀ⴀ㜀          吀    ⌀䐀     伀     伀 65* UCLA IBM-360/91 O O O O਀    ㈀        匀刀䤀⠀一䤀䌀⤀      倀䐀倀ⴀ㄀　           䐀     䐀     䐀     䐀 66 SRI(AI) PDP-10 D D D O਀    ㌀        唀䌀匀䈀          䤀䈀䴀ⴀ㌀㘀　⼀㜀㔀       䐀     䐀     䐀     䐀 4 UTAH PDP-10 D D D D਀   㘀㤀        䈀䈀一           倀䐀倀ⴀ㄀　           伀     伀     伀     䠀 6 MIT(Multics) H-645 O O O O਀   㜀　        䴀䤀吀⠀䐀䴀⤀       倀䐀倀ⴀ㄀　           伀     䐀     伀     䐀 71 RAND PDP-10 D D D D਀    㠀        匀䐀䌀           䤀䈀䴀ⴀ㌀㘀　⼀㘀㜀       䠀    ⌀䐀    ⌀䐀    ⌀䐀 9 HARVARD PDP-10 T T D T਀   ㄀　        䰀䤀一䌀伀䰀一 䰀䄀䈀   䤀䈀䴀ⴀ㌀㘀　⼀㘀㜀       䐀     䠀     吀     吀 74 LINCOLN LAB TX2 D D #D H਀   ㄀㄀        匀吀䄀一䘀伀刀䐀      倀䐀倀ⴀ㄀　           䐀     䐀     䐀     䐀 14 CARNEGIE PDP-10 D D D D਀   ㄀㘀        䄀䴀䔀匀          䤀䈀䴀ⴀ㌀㘀　⼀㘀㜀       䐀     䐀     䐀     䐀 ਀ ਀ ਀ ਀圀攀猀琀栀攀椀洀攀爀                                                      嬀倀愀最攀 ㌀崀 ਀ RFC 288 Network Host Status January 1972਀ ਀   眀栀攀爀攀 ਀      䐀 㴀 䐀攀愀搀 ⠀䐀攀猀琀椀渀愀琀椀漀渀 䠀漀猀琀 攀椀琀栀攀爀 搀攀愀搀 漀爀 椀渀愀挀挀攀猀猀椀戀氀攀 嬀搀甀攀 琀漀 network partitioning or local IMP failure] from the BBN Terminal਀      䤀䴀倀⸀⤀ ਀      䠀 㴀 ㄀⼀㈀ 伀瀀攀渀 ⠀䐀攀猀琀椀渀愀琀椀漀渀 䠀漀猀琀 漀瀀攀渀攀搀 愀 挀漀渀渀攀挀琀椀漀渀 戀甀琀 琀栀攀渀 攀椀琀栀攀爀 immediately closed it, or did not respond any further.)਀ O = Open (Destination Host opened a connection and was accessible਀      琀漀 甀猀攀爀猀⸀⤀ ਀      刀 㴀 刀攀昀甀猀攀搀 ⠀䐀攀猀琀椀渀愀琀椀漀渀 䠀漀猀琀 爀攀琀甀爀渀攀搀 愀 䌀䰀匀 琀漀 琀栀攀 椀渀椀琀椀愀氀 刀䘀䌀⸀⤀ ਀      吀 㴀 吀椀洀攀搀 漀甀琀 ⠀䐀攀猀琀椀渀愀琀椀漀渀 䠀漀猀琀 搀椀搀 渀漀琀 挀漀洀瀀氀攀琀攀 琀栀攀 䤀䌀倀 愀渀搀 漀瀀攀渀 a connection within 60 second)਀ * The only service currently offered by the UCLA IBM-360/91 is a਀      一攀琀眀漀爀欀 䨀漀戀 匀攀爀瘀椀挀攀 ⠀一䔀吀刀䨀匀⤀Ⰰ 栀漀眀攀瘀攀爀Ⰰ 琀栀攀 䈀䈀一 吀攀爀洀椀渀愀氀 䤀䴀倀 椀猀 渀漀琀 equipped to test NETRJS. We are assuming that initial connection਀      琀漀 琀栀攀 一䔀吀刀䨀匀 氀漀最最攀爀 椀渀搀椀挀愀琀攀搀 琀栀攀 一䔀吀刀䨀匀 椀猀 愀氀猀漀 昀甀渀挀琀椀漀渀椀渀最⸀ ਀      ⌀ 吀栀攀猀攀 猀椀琀攀猀 愀搀瘀攀爀琀椀猀攀 琀栀愀琀 琀栀攀礀 洀愀礀 渀漀琀 栀愀瘀攀 琀栀攀椀爀 猀礀猀琀攀洀 available at these times.਀ ਀ ਀ ਀ ਀ ਀ [This RFC was put into machine readable form for entry]਀     嬀椀渀琀漀 琀栀攀 漀渀氀椀渀攀 刀䘀䌀 愀爀挀栀椀瘀攀猀 戀礀 䬀攀氀氀礀 吀愀爀搀椀昀Ⰰ 嘀椀愀最꤀斛 ㄀　⼀㤀㤀崀 ਀ ਀ ਀ ਀ ਀ ਀ ਀ Westheimer [Page 4]