[ntp:questions] National time standard differences

David Lord snews at lordynet.org
Tue Feb 9 10:19:06 UTC 2010


cc wrote:
> I've setup an NTP server in the south east asia region synchonising
> with regional NTP servers as well as a couple of servers I am
> responsible for in the US.
> 
> remote        st t when poll reach   delay   offset  jitter
> ==============================================
> +Japan         1 u  454 1024  377   87.402   -0.560   0.056
> *Japan         1 u  476 1024  377   87.277   -0.810   1.542
> -NorthAmerica  2 u  427 1024  377  285.387  -17.741   5.084
> -NorthAmerica  2 u  429 1024  377  307.208  -17.061   0.083
> 
> Is the above delta seen between Japanese and North American time
> sources purely the delta between the outbound / return network path or
> something else?

I'd say it is but you don't know for certain where any
path difference is having an effect, obvious guess is
the ones with largest delay.

Is it possible (or allowed even) to run "ntpq -p Japan"
and "ntpq -p NorthAmerica" to check what their billboards
are.

David


> 
> Chris




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