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Updated by: 326

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
SITE                                                      PREDICTIONS"
-------  ----          --------     ------------------- --------------
   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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