Network host status
RFC 367

Document Type RFC - Unknown (July 1972; No errata)
Obsoleted by RFC 370
Obsoletes RFC 366
Last updated 2013-03-02
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Network Working Group                                   Ellen Westheimer
Request for Comments: 367                                            BBN
NIC #11014                                                  19 July 1972
Category: F, G.3
Updates: 366
Obsoletes: None

                          NETWORK HOST STATUS

   This RFC reports on the status of most Network Hosts from July 3 to
   July 14.

   No testing was done on July 4 as BBN took a holiday to celebrate
   Independence Day.  No testing was done on July 11 and 12 as I was on

   Several Hosts are currently excluded from the daily testing as they
   are presently intended to be users only.  Included here are the
   Terminal IMPs, which are presently in the Network (AMES, MITRE, RADC,
   NBS, ETAC, USC, GWC, NOAA, SAAC, ARPA, 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:

   Address           Site            Computer
   -------           ----            --------
   7                 Rand            IBM-360/65
   73                Harvard         PDP-1
   138               Lincoln         TSP
   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

   *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 367                   NETWORK HOST STATUS                  July 1972

   NO.   SITE            DATE AND TIME (EASTERN)
                         7/3   7/5   7/6   7/7   7/12   7/13   7/14
                         1730  1200  1700  1630  1600   1700   1400
   1     UCLA-NMC         O      H     H     O     O      O      O
   65    UCLA-CCN*        D     #D     O     O     O      O      O
   2     SRI-ARC          O      D     D     O     O      O      O
   66    SRI-AI           D     #D     O     O     O      D      O
   3     UCSB-MOD75       D      O     O     O     O      O      D
   4     UTAH-10          D      O     O     O     O      O      D
   69    BBN-TENEX        H      O     O     O     O      O      F
   133   BBN-TENEXB      #D     #D    #D    #D    #D     #D     #D
   6     MIT-MULTICS      O      O     O     O     O      O      O
   70    MIT-DMCG         O      O     O     O     O      F      H
   134   MIT-AI           O      O     O     O     O      O      O
   194   MIT-ML           H      O     O     O     O      O      O
   71    RAND-CSG         D      O     O     O     O      O      O
   8     SDC-ADEPT        D     #D     D     D    #D      D     #D
   9     HARVARD-10       O     #D    #D     O     O     #D      O
   10    L.L.-360         D      H     H     H     H      D      H
   74    L.L.-TX-2       #D      O     O     O     O      O      D
   11    STANFORD-AI      O      O     R     O     O      O      O
   13    CASE             D      D     D     D     D      D      D
   14    CMU-10           O      D     O     D     D      O      D
   15    AMES-ILLIAC      D      D     D     D     O      O      D
   16    AMES-67          D      D     D     D     D      D      D

 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
 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.

Westheimer                                                      [Page 2]
RFC 367                   NETWORK HOST STATUS                  July 1972

                                                      STATUS OR
SITE                                STATUS            PREDICTIONS
-------  ----          --------     ----------------  ---------------
         UCLA          SIGMA-7      Server #Limited   Jon Postel
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