Using Go for NTPsec

[Sanjeev Gupta]

This is output from my 17 year old server, i386, 32-bit, no TXCO, cheap
hardware, sitting in an airconditioned office where staff keep fiddling
with the thermostat (the large unit is 20 years old, so you are either cold
or very cold).

root at ntpmon:~# uptime
 10:20:02 up 14 days,  9:33,  1 user,  load average: 0.04, 0.03, 0.00
root at ntpmon:~# ntpq -pnu
     remote                                   refid      st t when poll
reach   delay   offset   jitter
=======================================================================================================
*SHM(1)                                  .PPS.            0 l   93   64
 376      0ns -5.526us  5.343us
-SHM(0)                                  .GPS.            0 l   27   64
 377      0ns 74.723ms 63.766ms
-2604:a880:1:20::17:5001                 64.142.122.37    2 8    6   64
 377 190.57ms 964.59us 157.85us
-2a03:b0c0:1:d0::1f9:f001                193.62.22.74     2 8   54   64
 377 229.74ms 2.4097ms 177.81us
-2a00:d78:0:712:94:198:159:11            192.87.36.4      2 8   32   64
 377 195.16ms 13.216ms 117.49us
-2606:4700:f1::1                         10.23.8.4        3 8   53   64
 377 38.222ms -2.133ms 199.36us
+2403:5000:171:11::2                     .MRS.            1 u   36   64
 377 38.352ms 591.67us 71.542us
 2404:e800:3:300:218:186:3:36            .STEP.          16 u    - 1024
 0      0ns      0ns    477ns
+118.143.17.82                           .MRS.            1 u   59   64
 377 36.238ms -1.341ms 26.321us
-193.204.114.231                         .CTD.            1 u   54   64
 357 255.54ms 40.967ms 63.054us
 131.107.13.100                          .STEP.          16 u    - 1024
 0      0ns      0ns    477ns
root at ntpmon:~#

2604:a880:1:20::17:5001 is ntp1.glypnod.com.  2403:5000:171:11::2 is in
Hong Kong.

If I can get this on crap hardware, poorly maintained and tuned, on the
other end of the world from glypnod.com , I assume there is low-hanging
fruit still possible.  Letting Hal or Gary near it should push it to 100us,
I assume.

PS: My official reason for not using newer hardware is "I am making sure
NTPsec and gpsd do not drop support for i386". :-)

-- 
Sanjeev Gupta
+65 98551208     http://www.linkedin.com/in/ghane
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