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Re: [Add] I-D Action: draft-btw-add-home-00.txt

Ian Maddison <ian@mad.paris> Tue, 10 March 2020 11:08 UTC

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Date: Tue, 10 Mar 2020 12:08:12 +0100
From: Ian Maddison <ian@mad.paris>
To: Vittorio Bertola <vittorio.bertola=40open-xchange.com@dmarc.ietf.org>, ADD Mailing list <add@ietf.org>
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Subject: Re: [Add] I-D Action: draft-btw-add-home-00.txt
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Hi Vittorio,

On Tue, 10 Mar 2020, at 11:18, Vittorio Bertola wrote:
> 
> On the other hand, if the consent is tied to the degree of channel security that is offered, then indeed the switch of channel might affect the user's desire to consent. Still, if we can assume that DoT/DoH towards the same operator always offers more security than Do53, and that the user has already consented to Do53, then we can also assume that the user will be happy with DoT/DoH as well. 

That sounds fine until you consider the probable DNS performance degradation of DoT/DoH compared to Do53. Perhaps users prefer to give prior consent to anything that affects their performance. Apologies if this isn't currently in scope, but nonetheless I feel it would be wise to also consider DNS performance aspects here.

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