Re: [Ntp] Antw: Re: Antw: Re: Antw: [EXT] A different NTPv5 design

Miroslav Lichvar <mlichvar@redhat.com> Thu, 30 April 2020 13:00 UTC

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Date: Thu, 30 Apr 2020 15:00:04 +0200
From: Miroslav Lichvar <mlichvar@redhat.com>
To: Ulrich Windl <Ulrich.Windl@rz.uni-regensburg.de>
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Subject: Re: [Ntp] Antw: Re: Antw: Re: Antw: [EXT] A different NTPv5 design
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On Thu, Apr 30, 2020 at 02:34:42PM +0200, Ulrich Windl wrote:
> > There was a time (before RFC 5905) when ntpd announced it whole month
> > before. That lead to the leap indicator getting stuck as there was no
> > period where it should be unset. I'd rather not risk that happening
> > again.
> 
> I was talking about an extension field that ol versions don't know of AND I
> was proposing to add the time when the leap event is to occur...

If a timestamp of the leap second is provided in an extension field,
it would better have its own leap indicator, so it can be set as soon
as the Bulletin C is published. The leap indicator in the header
should be useful without this extension field.

-- 
Miroslav Lichvar