Re: Quic: the elephant in the room

"Salz, Rich" <rsalz@akamai.com> Mon, 12 April 2021 12:54 UTC

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From: "Salz, Rich" <rsalz@akamai.com>
To: Nico Williams <nico@cryptonector.com>
CC: IETF Discussion Mailing List <ietf@ietf.org>
Subject: Re: Quic: the elephant in the room
Thread-Topic: Quic: the elephant in the room
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Date: Mon, 12 Apr 2021 12:54:20 +0000
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    > Thanks for the explanation.  I don't know enough DNSSEC to know if
    > that's actually deployable, but okay

>    You can tune down TTLs before the change, etc.

The TTL is already a small number of seconds so that in the standard DNS case, they can switch within five seconds.

Sounds to me that, as I thought, they will have to sign a TLSA record every five seconds.  No?