RFC 353 Network host status

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Obsoleted by: 362

Network Working Group                                   Ellen Westheimer
Request for Comments: 353                                            BBN
NIC #10595                                                  12 June 1972
Categories:  F, G.3
Updates: RFC #344
Obsoletes: None


                          NETWORK HOST STATUS

   This RFC reports on the status of most Network Hosts from May 22 to
   June 2.

   No testing was done on Memorial Day, which Massachusetts celebrated
   on May 29.  No testing was done on May 31 and June 1 due to an
   attempt to install the new IMP system.

   Three new terminal IMPs were installed during this interval.  On June
   1, Terminal IMP #155 was installed at Fort Belvoir in Fairfax,
   Virginia; on June 3, Terminal IMP #154 was installed at SAAC (Seismic
   Array Analysis Center) in Alexandria, Virginia; and on June 5,
   Terminal IMP #153 was installed at NOAA (National Oceanic Analysis
   Agency) in Boulder, Colorado.

   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.  The only Host in this category is the
       PDP-10 at Case (Network address 13).

      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, ETAC, USC, GWC, NOAA, SAAC, BELVOIR, and
       BBN*).  This category also includes the Network Control Center





   ___________
   *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 353                   NETWORK HOST STATUS                  June 1972


   computer (Network address 5) which is used solely for gathering
   statistics from the Network.  Finally, included among these Hosts are
   the following:

         Network
         Address               Site                Computer
         -------               ----                --------
             7               Rand                  IBM-360/65
            73               Harvard               PDP-1
            12               Illinois              PDP-11
            19               NBS                   PDP-11
            23               USC                   IBM-360/44

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




































Westheimer                                                      [Page 2]


RFC 353                   NETWORK HOST STATUS                  June 1972


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

   1    UCLA          SIGMA-7     Server #Limited       Jon Postel
  65    UCLA          IBM-360/91  NETRJS now            Bob Braden
                                  (Telnet in June)
   2    SRI (NIC)     PDP-10      Server                Jim White
  66    SRI (AI)      PDP-10      Server                Len Chaiten
   3    UCSB          IBM-360/75  Server                Ron Stoughton
   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
 134    MIT (AI)      PDP-10      Server                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      Server                Andy Moorer
 *12    ILLINOIS      PDP-11      User Only             John Cravitz
 *13    CASE          PDP-10      June                  Charles Rose
  14    CARNEGIE      PDP-10      Server                Hal VanZoeren
  15    AMES          ILLIAC      Server                John McConnell
                      (B6500)
  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
 *23    USC           IBM-360/44  User Now              James Pepin
*151    USC           TIP         User Only
*152    GWC           TIP         User Only
*153    NOAA          TIP         User Only
*154    SAAC          TIP         User Only
*155    BELVOIR       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.



Westheimer                                                      [Page 3]


RFC 353                   NETWORK HOST STATUS                  June 1972


   NO.   SITE                   DATE AND TIME (EASTERN)
   ---   ----             5/22  5/23  5/24  5/25  5/26  5/30  6/2
                          1700  1800  1300  1300  1600  1430  1300
     1   UCLA-NMC           O     O     T     D     D     O     D
    65   UCLA-CCN*          O     O     O     O     D     O     D
     2   SRI-ARC            O     O     O     O     O     O     O
    66   SRI-AI             O     D     O     D     D     D     D
     3   UCSB-MOD75         O     O     D     O     O     O     O
     4   UTAH-10            O     O     O     O     O     D     D
    69   BBN-TENEX          D     O     O     O     O     O     O
   133   BBN-TENEXB         O     O     O     O    #T     O    #D
     6   MIT-MULTICS        D     O     O     O     O     O     O
    70   MIT-DMCG           O     H     O     O     O     O     O
   134   MIT-AI             D     T     D     D     T     H     H
    71   RAND-CSG           D     D     D     D     O     D     O
     8   SDC-ADEPT          H     D    #D    #D     H    #D    #D
     9   HARVARD-10         O     O     O     O     O     O     O
    10   L.L.-360           D     D     D     H     H     H     H
    74   L.L.-TX-2          O     O    #D     D     D     O     O
    11   STANFORD-AI        O     O     O     H     O     D     D
    14   CMU-10             D     O     D     O     O     O     O
    15   AMES-ILLIAC        T     T     T     T     T     T     T
    16   AMES-67            D     T     D     D     D     D     D

   where
   D = Dead (Destination Host either dead or inaccessible [due to
       network partitioning or local IMP failure] from the BBN Terminal
       IMP.)
   F = Full (Destination Host opened a connection, informed user that
       all Network ports were in use, and immediately closed the
       connection.)
   H = 1/2 Open (Destination Host opened a connection but then either
       immediately closed it, or did not respond any further.)
   O = Open (Destination opened a connection and was accessible to us.
   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 Bob German 10/99 ]



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RFC 353                   NETWORK HOST STATUS                  June 1972





















































Westheimer                                                      [Page 5]


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