On 9 Feb, 10:46, "David J Taylor" <david-tay...@blueyonder.delete-this- bit.and-this-part.co.uk.invalid> 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? > > > Chris > > Chris, > > Most likely asymmetrical paths, yes. To answer your implied question, it > is most /unlikely/ that the USA National Time is 17 milliseconds away from > Japan National Time, if that's what you were thinking. National time > differences are likely to be microseconds or less, I believe. > > Cheers, > David
I wouldn't have thought so either and given that they all trace back to GPS it isn't likely either but it made me consider the natioanal security / financial implications of setting your national clock 10ms ahead of where everyone else thinks it is. Chris. _______________________________________________ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions
