Re: [DNSOP] [Doh] [EXTERNAL] Re: New I-D: draft-reid-doh-operator

Tony Finch <dot@dotat.at> Mon, 25 March 2019 15:04 UTC

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Date: Mon, 25 Mar 2019 15:04:41 +0000
From: Tony Finch <dot@dotat.at>
To: Ted Lemon <mellon@fugue.com>
cc: "doh@ietf.org" <doh@ietf.org>, "dnsop@ietf.org" <dnsop@ietf.org>
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Subject: Re: [DNSOP] [Doh] [EXTERNAL] Re: New I-D: draft-reid-doh-operator
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Ted Lemon <mellon@fugue.com>; wrote:

> This is equally an argument for doing DNS over DTLS. This would give
> similar performance to DoH over QUIC.

If I understand it correctly, DTLS leaves MTU and fragmentation up to the
application protocol. The DNS has horrible packet size problems, so it
needs a lot more help than DTLS provides. QUIC is much better.

Tony.
-- 
f.anthony.n.finch  <dot@dotat.at>;  http://dotat.at/
The Minch: Westerly 4 or 5, backing southwesterly 5 or 6, occasionally 7 later
in north. Rough in far north and in far south, otherwise slight or moderate.
Occasional drizzle. Good, occasionally poor.