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Re: [Ntp] Antw: [EXT] Re: CLOCK_TAI (was NTPv5: big picture)

Martin Burnicki <martin.burnicki@meinberg.de> Fri, 08 January 2021 15:22 UTC

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To: Doug Arnold <doug.arnold@meinberg-usa.com>, Ulrich Windl <Ulrich.Windl@rz.uni-regensburg.de>, "mlichvar@redhat.com" <mlichvar@redhat.com>, "emmanuel.fuste@thalesgroup.com" <emmanuel.fuste@thalesgroup.com>
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From: Martin Burnicki <martin.burnicki@meinberg.de>
Organization: Meinberg Funkuhren GmbH & Co. KG, Bad Pyrmont, Germany
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Date: Fri, 08 Jan 2021 16:22:28 +0100
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Subject: Re: [Ntp] Antw: [EXT] Re: CLOCK_TAI (was NTPv5: big picture)
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Doug Arnold wrote:
> I think that the point of a leap smear is that no special handling of leap seconds is needed by the client.  It is introduced gradually over a number of polling periods.

That's exactly the point. You want to hide the leap second from the
client to avoid that *applications* run into problems when the kernel
just steps the time back by 1 second.

Martin
-- 
Martin Burnicki

Senior Software Engineer

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