Re: [Doh] [Ext] DNS Camel thoughts: TC and message size

"John Dickinson" <jad@sinodun.com> Fri, 08 June 2018 10:30 UTC

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From: "John Dickinson" <jad@sinodun.com>
To: "DoH WG" <doh@ietf.org>
Cc: "Patrick McManus" <pmcmanus@mozilla.com>, "bert hubert" <bert.hubert@powerdns.com>, "Dave Lawrence" <tale@dd.org>, "Mukund Sivaraman" <muks@mukund.org>
Date: Fri, 08 Jun 2018 11:33:35 +0100
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Subject: Re: [Doh] [Ext] DNS Camel thoughts: TC and message size
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On 8 Jun 2018, at 11:11, Mukund Sivaraman wrote:

> On Fri, Jun 08, 2018 at 11:34:19AM +0200, Patrick McManus wrote:
>> I'm not on board with limiting a 2018 protocol to 64KB variants because
>> some parser of some some format might have a bug.
>
> It's not "some parser".. for a long time implementations have assumed
> 64kB for message formats and these are implicit assumptions. It isn't
> reasonable to alter this now. RFC 1035 is from 1987 and these implicit
> assumptions have remained so for the last 30 years.
>
> It is ok if you want to prepare different rules in 2018, but please
> don't call it DNS.

+1, I totally agree.

John Dickinson

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