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Re: [DNSOP] Second Working Group Last Call for draft-ietf-dnsop-extended-error

Wes Hardaker <wjhns1@hardakers.net> Wed, 13 November 2019 22:50 UTC

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From: Wes Hardaker <wjhns1@hardakers.net>
To: Viktor Dukhovni <ietf-dane@dukhovni.org>
Cc: dnsop@ietf.org
References: <CADyWQ+FG7qzPnLkUH7mSBca=1NfXy6YduHD4UdmcfXFjD8xC6g@mail.gmail.com> <CA+9_gVuwAEthi9HU2wdw+Vf+STCwvXr4wOB4PRD_Hej6JPPbuQ@mail.gmail.com> <yblr241z4s8.fsf@w7.hardakers.net> <CA+9_gVvqqKwrkM7WYuEGGzfy+DSm3TzwmCDXA+AyyQ3c0Hr8wg@mail.gmail.com> <yblzhgzhd8b.fsf@w7.hardakers.net> <94DB2B7E-31E5-4D52-A8AA-F2354209F250@dukhovni.org>
Date: Wed, 13 Nov 2019 14:50:55 -0800
In-Reply-To: <94DB2B7E-31E5-4D52-A8AA-F2354209F250@dukhovni.org> (Viktor Dukhovni's message of "Wed, 13 Nov 2019 15:55:10 -0500")
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Subject: Re: [DNSOP] Second Working Group Last Call for draft-ietf-dnsop-extended-error
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Viktor Dukhovni <ietf-dane@dukhovni.org> writes:

> > On Nov 13, 2019, at 12:56 PM, Wes Hardaker <wjhns1@hardakers.net> wrote:
> > 
> > I added this text to the next version:
> > 
> >      <t>When the response grows beyond the requestor's UDP payload
> >      size <xref target="RFC6891" />, servers SHOULD truncate messages
> >      by dropping EDE options before dropping other data from
> >      packets.  Implementations SHOULD set the truncation bit when
> >      dropping EDE options.</t>
> 
> Are you sure that setting TC=1 when EDE doesn't fit is the right
> trade-off?  I'm somewhat skeptical...

Well, that's what the other specs say.  We could break from that, you're
right, and it's a discussion I was going to mention in Singapore for
that matter.
-- 
Wes Hardaker
USC/ISI

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