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Re: Quic: the elephant in the room

Michael Thomas <mike@mtcc.com> Mon, 12 April 2021 15:16 UTC

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Subject: Re: Quic: the elephant in the room
To: ietf@ietf.org
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From: Michael Thomas <mike@mtcc.com>
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Date: Mon, 12 Apr 2021 08:16:22 -0700
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On 4/12/21 5:54 AM, Salz, Rich wrote:
>      > 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?
>

Are you issuing new certificates every 5 seconds? If not, no.

Mike

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