[dns-operations] PMTUD of .org servers

Mark Andrews marka at isc.org
Sat Jun 20 23:42:47 UTC 2009

In message <87ws776l4l.fsf at mid.deneb.enyo.de>, Florian Weimer writes:
> * Mark Andrews:
> > 4.5.2. Both requestors and responders are advised to take account of the
> >        path's discovered MTU (if already known) when considering message
> >        sizes.
> >
> > This does not come even close to requiring PMTUD for DNS.
> I really don't know what this is supposed to mean, then.  Anyway, I
> suppose it will be gone in 2671bis.

There was a assertion made that that paragraph required PMTUD to be
performed.  I was refuting that assertion.

Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka at isc.org

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