[dns-operations] FlagDay 2020 UDP Size

[jack tavares]

On Mon, Aug 3, 2020 at 12:44 PM Paul Vixie <paul at redbarn.org> wrote:

> On Monday, 3 August 2020 17:20:30 UTC jack tavares wrote:
> > I am asking for a clarification on the recommended default settings for
> > Resolvers etc.
> >
> > I understand that the default setting should be 1232.
>
> that's been proposed, and contested.


> >
> > But what is not clearly laid out, in my opinion, is if;
> > a client sends a larger EDNS buffer size, what should the resolver do?
> >
> > Currently the resolvers i work with have a max of 4096 by default, and
> will
> > respect a LOWER limit
> > from a client, but cap the response at 4k.
> >
> > Is it ok to go higher, if we set the default at 4k?
>
> see also:
>
> https://tools.ietf.org/html/draft-fujiwara-dnsop-avoid-fragmentation-02
>
> --
> Paul
>

I have gone through the archives, is there consensus on this at this time?
For both the date of Flag Day (Which appears to be 1st October 2020,
pending confirmation from google)
and for the suggested default?

Thank you


-- 
jack
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