Hi,

It seems to me that the HTTPS/SVCB records describe where and how a
service is available (could be several IPv4 and IPv6 addresses as well
as several ports).  It does nothing to select how a client might
connect to the service other than by providing a hierarchy of
importance for each.   I've not completely read RFC3484 (just the
abstract and introduction) but it seems that this might describe some
selection parameters that a client might consider in addition to other
factors when deciding which of the available service addresses to
connect to.

Thank you,
Darren Ankney

On Wed, Dec 25, 2024 at 8:28 PM Peter 'PMc' Much
<p...@citylink.dinoex.sub.org> wrote:
>
> Folks,
>
>   recent messages here mentioned some HTTPS and SVCB RRs.
>
> This is completely news to me, so I gave it some read.
> Then I found that these new tools are supposed to provide (IPv4 and
> IPv6) addresses, which seems to me as rather strange from a
> logical viewpoint.
>
> Normally, the addresses to be used are provided by 'getaddrinfo',
> which in turn gets substantial information from /etc/ip6addrctl.conf
> (RFC 3484), which describes the client's physical connectivity
> (e.g. which destinations can be reached from which subnets).
>
> So I am wondering how this is supposed to interact.
>
> cheerio,
> PMc
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