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Updates:

RFC0330

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RFC0342







Network Working Group                            Ellen Westheimer
NIC #9925                                        BBN
RFC #332                                         25 April 1972
Categories:  F, G.3
Updates:  RFC #330
Obsoletes:  None

                          NETWORK HOST STATUS

     This RFC reports on the status of most Network Hosts from April
10 to April 21.  During this interval the IBM 360/44 at the University
of Southern California (Network Address 23) was connected to the
Network; also, a Terminal IMP was installed in Omaha, Nebraska at
Global Weather Central (Network Address 152) on April 18.

     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
         Address              Site                Computer
         -------              ----                --------
           134               MIT-AI               PDP-10
            13               Case                 PDP-10

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, and BBN*).  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:
         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.
________________

is frequently not connected to the Network, but being used to refine
and debug the Terminal IMP programs.



                                                                [Page 1]

                                                             "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 April)
   2     SRI(NIC)     PDP-10        Server                   John Melvin
  66     SRI(AI)      PDP-10        Server                   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(TENEXA)  PDP-10        Server                   Dan Murphy
 133     BBN(TENEXB)  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-360/155   Server                   Bob Long
   9     HARVARD      PDP-10        Server                   Bob Sundberg
 *73     HARVARD      PDP-1         Server                   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         ILLIAC        Server                   John McConnell
                      (B6500)
  16     AMES         IBM-360/67    "Soon"                   Wayne Hathaway

 *19     NBS          PDP-11        User Only                Robert Rosenthal

         USC          IBM-360/44    "Soon"

                      (Prototype)
_____________________

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





                                                                [Page 2]

SITE
 NO.   SITE                          DATE AND TIME (EASTERN)
----   ----                          -----------------------
                    4/10  4/11  4/12  4/13  4/14  4/17  4/18  4/19  4/20  4/21
                    1400  1700  1630  1400  1630  1330  1400  1630  1700  1300
  1    UCLA-NMC       O     O     T     O     O     D     O     O     T     O
 65    UCLA-CCN       O     O     O     O     O     D     O     O     D     D
  2    SRI-ARC        H     D     D     D     D     O     D     O     O     D
 66    SRI-AI         O     D     D     D     O     O     O     D     O     D
  3    UCSB-MOD75     O     O     O     O     O     O     O     O     O     O
  4    UTAH-10        O     O     T     D     O     O     D     D     O     O
 69    BBN-TENEX      O     O     O     D     O     O     D     T     O     O
133    BBN-TENEXB    #D    #D    #D    #D    #D    #D    #D    #D    #D    #D
  6    MIT-MULTICS    D     O     O     O     O     O     R     O     O     D
 70    MIT-DMCG       F     O     O     F     O     T     F     O     O     F
 71    RAND-CSG       O     D     O     T     O     O     O     H     D     O
  8    SDC-ADEPT     #D     D     H    #D    #D    #D    #D    #D     D    #D
  9    HARVARD-10     O     O     O     O     O     D     O     O     D     T
 10    L.L.-360       H     H     H     H     T     D     D     H     D     D
 74    L.L.-TX-2      O     O    #D     O     O     O     O     O     O     O
 11    STANFORD-AI    D     D     D     D     D     D     D     D     D     D
 14    CMU-10         D     H     O     D     D     D     O     D     O     O
 15    AMES-ILLIAC    O     T     T     T     T     D     T     T     T     T
 16    AMES-67        D     D     D     D     D     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 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.)
_______________

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.



                                                                [Page 3]

       [ This RFC was put into machine readable form for entry ]
       [ into the online RFC archives by BBN Corp. under the   ]
       [ direction of Alex McKenzie.                   12/96   ]
















































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