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Re: [dns-privacy] Possible use case: Opportunistic encryption for recursive to authoritative

John Levine <johnl@taugh.com> Sat, 08 August 2020 02:04 UTC

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From: John Levine <johnl@taugh.com>
To: dns-privacy@ietf.org
Cc: sayrer@gmail.com
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Subject: Re: [dns-privacy] Possible use case: Opportunistic encryption for recursive to authoritative
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In article <CAChr6SwGjo889gkMK0aE-76NTSrP799jMm8RBQaDRKo+XvWQ-w@mail.gmail.com> you write:
>Assuming this traffic is encrypted, which I am in favor of, the CPU load on
>the authoritative server will increase after an outage or network problem.
>
>Is this already factored in?

How is that diffferent from now? If a DNS server is offline and comes
back online, it will see a bunch of queries. Or maybe not, if thrre
are other servers sharing the load, and depending on whether caches
remember authoritative servers that didn't answer and avoide
re-querying them for a while.

R's,
John

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