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rfc:rfc353

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 ]

Westheimer [Page 4] RFC 353 NETWORK HOST STATUS June 1972

Westheimer [Page 5]

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