Re: [Ntp] Antw: Re: Antwort: Re: Antw: [EXT] Re: Temperature Compensation for NTP?

Magnus Danielson <magnus@rubidium.se> Wed, 09 December 2020 14:37 UTC

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To: Ulrich Windl <Ulrich.Windl@rz.uni-regensburg.de>, "ntp@ietf.org" <ntp@ietf.org>
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From: Magnus Danielson <magnus@rubidium.se>
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Date: Wed, 09 Dec 2020 15:37:40 +0100
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Subject: Re: [Ntp] Antw: Re: Antwort: Re: Antw: [EXT] Re: Temperature Compensation for NTP?
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Ulrich,

On 2020-12-09 14:45, Ulrich Windl wrote:
>>>> Magnus Danielson <magnus@rubidium.se> schrieb am 09.12.2020 um 14:25 in
> Nachricht <db435749-0a2d-63a9-777e-2657c7b99eed@rubidium.se>:
>> Hi,
>>
>> In a similar notion, I do not see temperature compensations to be
>> anything but local clock maintenance. This can be done in so many ways
>> that I do not think it will be useful to clutter core mechanism
>> descriptions with it. There can be hardward compensations already in the
>> use of temperature compensated oscillators (TCXO) or oven stablized
>> oscillators (OCXO) or even atomic reference based. You can also do
>> software based compensation from trivial simple to advanced self-tuning.
>> That would still not relate to the core mechanisms of NTP. You may
>> benefit from feeling the correct time from NTP as you do such training,
>> but just like the oscillator offset file, it's a local issue, until it
>> isn't because it failed, and I've seen such cases with NTPv4.
> OK, convinced ;-)

Great! :-)

Cheers,
Magnus