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Re: [Ntp] Leap smearing

Martin Burnicki <martin.burnicki@meinberg.de> Thu, 10 December 2020 13:42 UTC

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To: Hal Murray <hmurray@megapathdsl.net>, Doug Arnold <doug.arnold@meinberg-usa.com>
Cc: ntp@ietf.org
References: <20201210010030.3282040605C@ip-64-139-1-69.sjc.megapath.net>
From: Martin Burnicki <martin.burnicki@meinberg.de>
Organization: Meinberg Funkuhren GmbH & Co. KG, Bad Pyrmont, Germany
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Date: Thu, 10 Dec 2020 14:42:42 +0100
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Subject: Re: [Ntp] Leap smearing
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Hal Murray wrote:
> doug.arnold@meinberg-usa.com said:
>> The leap smear function co uld be a cosine function, to match the frequency
>> at the start and end of the lea p smear interval.
> 
> We could do lots of things, but in this case, the guys who want leap smearing 
> have already decided on those details and we should copy whatever they do.
> 
> I think it's linear over 24 hours.  Does anybody have a good reference?

The Google page at

https://developers.google.com/time/smear

also lists some other smearing approaches at the bottom of the page.


Martin
-- 
Martin Burnicki

Senior Software Engineer

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