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RFC 298








Network Working Group                                      E. Westheimer
Request for Comments: 298                                1 February 1972
NIC: 8486

                          NETWORK HOST STATUS


   This RFC reports on the status of most Network Hosts from January 17
   to January 28.

   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:

         NETWORK             SITE           COMPUTER
         ADDRESS

         133                 BBN            PDP-10(B)
         13                  Case           PDP-10
         15                  Ames/(Paoli)   ILLIAC/(B6500)

   2) Hosts which are currently intended to be users only.  Included
      here are the Terminal IMPs, which are presently in the Network
      (AMES, MITRE, NBS and BBN*).  This category also includes the
      Network Control Center (Network Address 5) which is used solely
      for gathering statistics from the Network.  Finally, included
      among these Hosts are the following:

         NETWORK             SITE           COMPUTER
         ADDRESS

         7                   Rand           IBM-360/65
         73                  Harvard        PDP-1
         12                  Illinois       PDP-11
         19                  NBS            PDP-11

   NOTE:  During this interval both the UTAH PDP-10 and the RAND PDP-10
          became Network servers.

   The tables on the next two pages summarize the Host status for this
   period.

   * 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.



Westheimer                                                      [Page 1]


RFC 298                   NETWORK HOST STATUS              February 1972


ADDRESS  SITE           COMPUTER          DATE AND TIME (EASTERN)
                                        1/17  1/18  1/19  1/20  1/21
                                        1800  1730  1000  1500  1730

  1      UCLA(NMC)      SIGMA-7         #H     O    #D     O     O
 65      UCLA(CCN)      IBM-360/91       O     O    #D     O     O
  2      SRI(NIC)       PDP-10           O     O     O     O     O
 66      SRI(AI)        PDP-10           D     D     D     D     D
  3      UCSB           IBM-360/75       O     O     O     D     O
  4      UTAH           PDP-10           T     T    #T     O     O
 69      BBN(10X-A)     PDP-10           O     O     D     O     D
  6      MIT(Multics)   H-645            O     T     O     D     O
 70      MIT(DM)        PDP-10           D     D     O     O     D
 71      RAND           PDP-10           D     D     O     D     D
  8      SDC            IBM-360/155     #D    #D    #D    #D    #D
  9      HARVARD        PDP-10           O    #D    O     #D    #D
 10      LINCOLN LABS   IBM-360/67       D     H     T     H     H
 74      LINCOLN LABS   TX2             #D    #T    #D     R     O
 11      STANFORD       PDP-10           D     D     D     D     D
 14      CARNEGIE       PDP-10           H     H     H     H     H
 16      AMES           IBM-360/67       D     D     D     D     D


ADDRESS  SITE           COMPUTER          DATE AND TIME (EASTERN)
                                        1/24  1/25  1/26  1/27  1/28
                                        1430  1630  1730  1300  1530

  1      UCLA(NMC)      SIGMA-7          O     O     O     O     T
 65      UCLA(CCN)      IBM-360/91       O     O     O     O     O
  2      SRI(NIC)       PDP-10           O     O     T     O     O
 66      SRI(AI)        PDP-10           D     D     D     D     D
  3      UCSB           IBM-360/75       O     O     D     O     O
  4      UTAH           PDP-10           O     O     O     O     O
 69      BBN(10X-A)     PDP-10           O     D     O     H     O
  6      MIT(Multics)   H-645            R     O     D     O     D
 70      MIT(DM)        PDP-10           O     D     T     O     H
 71      RAND           PDP-10           T     D     D     O     D
  8      SDC            IBM-360/155     #D    #D    #D    #D    #D
  9      HARVARD        PDP-10          #R    #R     O     O     O
 10      LINCOLN LABS   IBM-360/67       H     D     H     T     H
 74      LINCOLN LABS   TX2              O     O     O     O     T
 11      STANFORD       PDP-10           D     D     D     D     D
 14      CARNEGIE       PDP-10           D     H     H     D     H
 16      AMES           IBM-360/67       D     D     D     D     D







Westheimer                                                      [Page 2]


RFC 298                   NETWORK HOST STATUS              February 1972


    where

      D = Dead (Destination Host either dead or inaccessible [due to
      network partitioning or local IMP failure] from the BBN Terminal
      IMP.)

      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 second)

      * 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 indicated the NETRJS is also functioning.

      #These sites advertise that they may not have their system
      available at these times



























Westheimer                                                      [Page 3]


RFC 298                   NETWORK HOST STATUS              February 1972


                                                            STATUS OR
   SITE       SITE         COMPUTER      STATUS OR          PREDICTIONS
   ADDRESS                               PREDICTION         OBTAINED FROM

      1       UCLA         SIGMA-7      Server(#Limited)    John Postel
     65       UCLA         IBM-360/91   Remote Job Service  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
      6       MIT(Multics) H-645        Server              Mike Padlipsky
     70       MIT(DM)      PDP-10       Server              Bob Bressler
     *7       RAND         IBM-360/65   User only           Eric Harslem
     71       RAND         PDP-10       Server              Eric Harslem
     *8       SDC          IBM-300/155  Server              Bob Long
      9       HARVARD      PDP-10       Server              Bob Sundberg
    *73       HARVARD      PDP-1        User only           Bob Sundberg
     10       LINCOLN      IBM-30/67    "Soon"              Joel Winnet
     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       March               Charles Rose
     14       CARNEGIE     PDP-10       "Soon"              Hal VanZoeren
    *15       AMES/(PAOLI) ILLIAC/B6500 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
   *158       BBN          TIP          User only
                            (Prototype)

   * Host not included in daily testing.

   #The NMC is a research site and would like to have prior arrangement
   with each user.


          [This RFC was put into machine readable form for entry]
     [into the online RFC archives by Kelly Tardif, Via Genie 10/1999]






Westheimer                                                      [Page 4]


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