On Fri, Jul 20, 2018, 12:05 PM Stephen Scott <[email protected]> wrote:
> I would agree and I am not a fan of leap second smearing. > A.) For an application that depends on an accurate frequency reference > smearing over 24 hours represents about a 11 ppm frequency shift. This > exceeds the tolerance specified for some audio/video applications. > B.) It is not standardized, so maybe it is a smear of maybe its not. > > There is a lack of standards and that is probably the biggest source of > most leap second problems. > > I have been searching for standards, documentation on how leap seconds > must be applied in local jurisdictions. > > I find it strange that for time in local time zones the time points are > shifted by the UTC offset for all 86400 seconds of the day. > But that the one leap second is treated differently and is not shifted by > the UTC offset. > The consequence is that the leap second is being incorporated at critical > times of the day in many time zones. > > While there is no perfect answer, it seems that Microsoft Azure servers > got it right for the last one, incorporating the leap second just before > midnight local time. > Unless you are at UTC+0, I don't see how this can be right... Leap seconds happen during the day for most time zones... Warner > Control, on Time and in Sync > Stephen Scott > > > > On 2018-07-20 08:03, Nero Imhard wrote: > > [email protected] schreef op 2018-07-20 11:35: > > The question of what happens if you try to run a leapsec-aware > kernel downstream of a smearing NTP server is an interesting one. > My preferred answer is "Don't do that." > > > If that translates to "don't smear ntp" I could not agree more. > Smearing is catering to those who won't clean up their act, > causing trouble for those who try to do the right thing. > > N > > > _______________________________________________ > LEAPSECS mailing > [email protected]https://pairlist6.pair.net/mailman/listinfo/leapsecs > > > > > <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient> > Virus-free. > www.avast.com > <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient> > <#m_-5058450252262385288_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2> > _______________________________________________ > LEAPSECS mailing list > [email protected] > https://pairlist6.pair.net/mailman/listinfo/leapsecs >
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