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List:       dns-operations
Subject:    Re: [dns-operations] Presentation / paper on cache / TTL times?
From:       Albert Braden <abraden () about ! com>
Date:       2016-11-10 20:08:54
Message-ID: A1E97C88EB03954BAA9A257488E7432B4F7EA4D2 () S059EXCHMB01 ! staff ! iaccap ! com
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The video is here (this presentation starts around 0:30):

https://www.youtube.com/watch?v=UcAygzNSxlI

-----Original Message-----
From: dns-operations [mailto:dns-operations-bounces@dns-oarc.net] On Behalf Of Pieter \
                Lexis
Sent: Saturday, November 05, 2016 1:57 PM
To: dns-operations@dns-oarc.net
Subject: Re: [dns-operations] Presentation / paper on cache / TTL times?

Hi Warren,

On Sat, 5 Nov 2016 09:38:02 +0530
Warren Kumari <warren@kumari.net> wrote:

> A while back there was a cool presentation showing that most records
> expire from caches after something like 3 hours.
> 
> I *think* that it was at an OARC meeting, but I cannot find it at the
> moment -- anyone know what / where it was?

I _think_ you mean the presentation "Negative Caching of DNS Records" from the OARC \
Spring 2015 Workshop[1], given by Stephan Lagerholm and Joe Roselli. Slides are \
here[2]

1 - https://indico.dns-oarc.net/event/21/contribution/4
2 - https://indico.dns-oarc.net/event/21/contribution/4/material/slides/0.pdf

Cheers!

-- 
Pieter Lexis
PowerDNS.COM BV -- https://www.powerdns.com
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