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Re: [dns-privacy] [Ext] Revised opportunistic encryption draft

John R Levine <johnl@taugh.com> Fri, 30 October 2020 20:56 UTC

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Date: Fri, 30 Oct 2020 16:56:17 -0400
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From: John R Levine <johnl@taugh.com>
To: Paul Hoffman <paul.hoffman@icann.org>
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Subject: Re: [dns-privacy] [Ext] Revised opportunistic encryption draft
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>> I get the gist of it, caches consult an oracle to see whether to use
>> DoT, and you have to find your own oracle. That seems uncontroversial,
>> but I fear it is so uncontroversial that it won't be useful.
>
> And now I'm having trouble following your logic. Which oracle are you 
> talking about? The draft only talks about "check on port 853 for DoT 
> service".

I mean "oracle" as used in some kinds of mathematical proofs, a conceptual 
external black box that answers questions.  In this case the transport 
cache or perhaps whatever loads the transport cache is the oracle.

Regards,
John Levine, johnl@taugh.com, Taughannock Networks, Trumansburg NY
Please consider the environment before reading this e-mail. https://jl.ly

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