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This is a modified version of the Internet RFC suitable for machine-translating. Original version is available here: RFC306

Obsoleted by: 315 UNKNOWN
Network Working Group                                      E. Westheimer
Request for Comments: 306                                            BBN
NIC: 9257                                              February 15, 1972
Obsoletes: None
NETWORK HOST STATUS

This RFC reports on the status of most Network Hosts from January 31 to February 11.

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 computer (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

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 306                   Network Host Status              February 1972
"STATUS OR
   SITE     SITE         COMPUTER      STATUS OR           PREDICTIONS"
   ADDRESS                             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 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-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 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        September          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
   *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. SITE SITE DATE AND TIME (EASTERN) NO. 1/31 2/1 2/2 2/3 2/4 2/7 2/8 2/9 2/10 2/11
Westheimer                                                      [Page 2]

RFC 306                   Network Host Status              February 1972
1430 1530 1430 1630 1530 1830 1500 1730 1000 1230
1    UCLA-NMC       H     O    O    O    O    O    O    O     O    #D
65   UCLA-CCN       O     O    O    O    D    O    O    O     D    #D
2    SRI-ARC        O     O    D    O    O    O    O    T     H    O
66   SRI-AI         D     D    D    D    D    D    D    D     D    D
3    UCSB-MOD75     O     O    H    O    H    D    O    O     O    O
4    UTAH-10        D     O    T    O    D    D    D    O     D    D
69   BBN-TENEX      T     O    O    O    O    D    O    O     O    O
6    MIT-Multics    O     O    D    O    O    D    R    D     O    O
MIT-DMCG H D D D D D H D O O
71   RAND-CSG       T     T    T    D    D    D    D    D     T    T
8    SDC-ADEPT      #D    #D   #D   #D   #D   D    #D   D     #D   #D
9    HARVARD        O     O    O    O    #D   #T   O    O     D    #D
10   L.L.-67        T     H    H    D    H    D    H    H     H    H
74   L.L.-TX-2      D     D    D    T    T    #D   O    #D    D    #T
11   SU-AI          D     D    D    D    D    D    D    D     D    D
14   CMU-10         D     H    H    H    H    D    D    D     D    H
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.)

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 = Time 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 3]

RFC 306                   Network Host Status              February 1972
[This RFC was put into machine readable form for entry]
[into the online RFC archives by H�l�ne Morin, Viag�nie 10/99]




































Westheimer [Page 4]

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