[Ntp] Antw: [EXT] Re: NTPv5 draft suggestion to move timescale offset into extension fields.

Ulrich Windl <Ulrich.Windl@rz.uni-regensburg.de> Mon, 07 November 2022 14:59 UTC

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Date: Mon, 07 Nov 2022 15:59:45 +0100
From: Ulrich Windl <Ulrich.Windl@rz.uni-regensburg.de>
To: mlichvar@redhat.com, david@venhoek.nl
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Subject: [Ntp] Antw: [EXT] Re: NTPv5 draft suggestion to move timescale offset into extension fields.
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>>> David Venhoek <david@venhoek.nl> schrieb am 07.11.2022 um 15:28 in Nachricht
<CAPz_-SVkFZaycpimBGy-pZRgwxo9pdnrmh7QDd-=+qvXfdFKRw@mail.gmail.com>:
> In response to ulrich, NTPv4 has a similar restriction where normal
> clients should not synchronize to strata higher than 15. However, that
> was not yet part of the NTPv5 draft, the comment here was merely to
> suggest that clients should not synchronize to servers with strata
> higher than that, even though we can now represent (just like in
> NTPv4). I am not really sure what you mean with the mapping part of
> your comment, if I missed something important there could you please
> elaborate?

I meant (if I understood the NTPv4 correctly):
If any stratum > 15 is mapped to zero before transmission, what sense will it make to have higher values, unless adjusting that value of ">15" (MAXSTRAT) at the same time.

[...]

Regards,
Ulrich