bug#71462: Default ntp service configuration not working on IPv6 network

[Guillaume Le Vaillant]

Leo Famulari <leo@famulari.name> skribis:

> On Mon, Jun 10, 2024 at 08:30:32AM +0000, Guillaume Le Vaillant wrote:
>> On an IPv6-only network, the default configuration for ntp-service-type
>> doesn't work, because the default pool used (<0.guix.pool.ntp.org>)
>> doesn't have IPv6 addresses.
>> 
>> In fact, the <1.guix.pool.ntp.org> and <3.guix.pool.ntp.org> pools don't
>> have IPv6 addresses either. Only the <2.guix.pool.ntp.org> pool works
>> with IPv6.
>> 
>> Would it be possible to add IPv6 support to pools 0, 1 and 3?
>
> It's not something that we, as Guix, can do.
>
> The NTP pool is run by a separate organization, and the question of
> which DNS names should return AAAA (IPv6) records is open:
>
> https://community.ntppool.org/t/the-time-has-come-we-must-enable-ipv6-entirely/1968
>
> However, the reason they give us 4 different addresses is so that we can
> spread the load around. Our NTP services should choose randomly at
> run-time. Or we could just make number 2 the default, and then we'll
> have IPv6 support. Or something more complicated...

Thanks for the info. I'm now using pool 2 as the default on my IPv6-only
machines, and it works well.

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