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Network Working Group Ellen Westheimer Request for Comments: 319 BBN NIC: 9349 March 21, 1972 Updates: RFC 315

                        NETWORK HOST STATUS
 This RFC reports on the status of most Network Hosts from February 28
 to March 10.  The ETAC Terminal IMP (Network address 148) was
 installed during this period.
 Several Hosts are currently excluded from the daily testing.  These
 Hosts fall into two categories:
    1) Hosts which are not expected to be functioning on the Network
       as servers (available for use from other sites) on a regular
       basis for at least two weeks.  Included here are:
       Address          Site            Computer
       -------          ----            --------
       134              MIT-AI          PDP-10
        13              Case            PDP-10
        15              Ames/(Paoli)    ILLIAC/(B6500)
    2) Hosts which are currently intended to be users only.  Included
       here are the Terminal IMP's which are presently in the Network
       (AMES, MITRE, NBS and BBN).  [The BBN Terminal IMP (Network
       Address 158) is a prototype and as such is frequently not
       connected to the Network, but being used to refine and debug
       the Terminal IMP programs.]  This category also includes the
       Network Control Center computer (Network Address 5) which is
       used solely for gathering statistics from the Network.
       Finally, included among these Hosts are the following:
       Address          Site            Computer
       -------          ----            --------
        7               Rand            IBM-360/65
       73               Harvard         PDP-1
       12               Illinois        PDP-11
       19               NBS             PDP-11
 The tables on the next two pages summarize the Host status for this

Westheimer [Page 1] RFC 319 Network Host Status March 1972

                                                        "STATUS OR


 1     UCLA          SIGMA-7      Server #Limited     Jon Postel
65     UCLA          IBM-360/91   NETRJS now          Bob Braden
                                  (Telnet in April)
 2     SRI(NIC)      PDP-10       Server              John Melvin
66     SRI(AI)       PDP-10       "Soon"              Len Chaiten
 3     UCSB          IBM-360/75   Server              Jim White
 4     UTAH          PDP-10       Server              Barry Wessler
*5     BBN(NCC)      DDP-516      Never               Alex McKenzie
69     BBN(TENEX-A)  PDP-10       Server              Dan Murphy

*133 BBN(TENEX-B) PDP-10 Server(Exper.) Dan Murphy *158 BBN TIP User Only

6      MIT(Multics)  H-645        Server              Mike Padlipsky
70     MIT(DM)       PDP-10       Server              Bob Bressler

*134 MIT(AI) PDP-10 User Now Jeff Rubin

  • 7 RAND IBM-360/65 User only Eric Harslem

71 RAND PDP-10 Server Eric Harslem

  • 8 SDC IBM-370/155 Server Bob Long

9 HARVARD PDP-10 Server Bob Sundberg *73 HARVARD PDP-1 User Only Bob Sundberg

10     LINCOLN       IBM-360/67   "Soon"              Joel Winett
74     LINCOLN       TX-2         Server              Will Kantrowitz
11     STANFORD      PDP-10       "Soon"              Andy Moorer

*12 ILLINOIS PDP-11 User Only John Cravits *13 CASE PDP-10 June Charles Rose

14     CARNEGIE      PDP-10       "Soon"              Hal VanZoeren

*15 AMES/(PAOLI) ILLIAC September John McConnell

16     AMES          IBM-360/67   "Soon"              Wayne Hathaway

*144 AMES TIP User Only *145 MITRE TIP User Only *19 NBS PDP-11 User Only Robert Rosenthal *147 NBS TIP User Only *148 ETAC TIP User Only

 *Host not included in daily testing.
 #The NMC is a research site and would like to have prior arrangement
 with each user.

Westheimer [Page 2] RFC 319 Network Host Status March 1972

  NO.    SITE                   DATE AND TIME (EASTERN)
 ----    ----                   -----------------------
                               2/28  2/29   3/1   3/2   3/3
                              1200  1330  1100  1320  1700
   1     UCLA-NMC               O     O    #D     O     0
  65     UCLA-CCN               O     O    #D     O     O
   2     SRI-ARC                O     O    #D     T     D
  66     SRI-AI                 D     D     D     D     D
   3     UCSB-MOD75             O     O     O     O     O
   4     UTAH-10                O     O    #D     O     O
  69     BBN-TENEX              O     O     O     O     O
 133     BBN-TENEXB            #D    #D     O    #D    #T
   6     MIT-Multics            O     O     O     O     O
  70     MIT-DMCG               O     H     D     O     O
  71     RAND-CSG               O     T     O     O     D
   8     SDC-ADEPT             #D    #D    #D    #D    #D
   9     HARVARD-10             O    #D     T     O     O
  10     L.L.-67                H     H     T     H     H
  74     L.L.-TX-2              O     O    #D     T     O
  11     SU-AI                  D     D     D     D     D
  14     CMU-10                 H     D     D     H     D
  16     AMES-67                D     D     D     D     D
  NO.    SITE                   DATE AND TIME (EASTERN)
 ----    ----                   -----------------------
                               3/6   3/7   3/8   3/9  3/10
                              1530  1600  1430  1400  1700
   1     UCLA-NMC               O     O     O     O    #D
  65     UCLA-CCN               D     O     O     O     O
   2     SRI-ARC                O     O     H     D     O
  66     SRI-AI                 D     D     D     D     D
   3     UCSB-MOD75             O     O     O     O     O
   4     UTAH-10                O     O     O     O     O
  69     BBN-TENEX              D     O     O     O     O
 133     BBN-TENEXB            #D    #D    #D    #D    #D
   6     MIT-Multics            O     O     D     D     O
  70     MIT-DMCG               D     D     O     O     O
  71     RAND-CSG               D     D     O     O     O
   8     SDC-ADEPT             #D    #D    #D    #D     D
   9     HARVARD-10             O     O     O     O     O
  10     L.L.-67                H     D     H     H     H
  74     L.L.-TX-2              O     O    #D     O     O
  11     SU-AI                  D     D     D     D     D
  14     CMU-10                 D     D     D     D     D
  16     AMES-67                D     D     D     D     D

Westheimer [Page 3] RFC 319 Network Host Status March 1972

    D = Dead (Destination Host either dead or inaccessible [due to
    network partitioning or local IMP failure] from the BBN Terminal
    H = 1/2 Open (Destination Host opened a connection but then either
    immediately closed it, or did not respond any further.)
    O = Open (Destination Host opened a connection and was accessible
    to users.)
    R = Refused (Destination Host returned a CLS to the initial RFC.)
    T = Timed out (Destination Host did not complete the ICP and open
    a connection within 60 seconds.)
 The only service currently offered by the UCLA IBM-360/91 is a
 Network Job Service (NETRJS), however, the BBN Terminal IMP is not
 equipped to test NETRJS.  We are assuming that initial connection to
 the NETRJS logger indicates that NETRJS is also functioning.
    #These sites advertise that they may not have their system
    available at these times.
      [This RFC was put into machine readable form for entry]
  [into the online RFC archives by Hilhne Morin, Viaginie, 12/99]

Westheimer [Page 4]

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