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rfc:rfc298

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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