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Re: [v6ops] New draft at dnsop a bis for DNS IPv6 Transport Operational Guidelines

Owen DeLong <owen@delong.com> Sat, 11 November 2023 04:45 UTC

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From: Owen DeLong <owen@delong.com>
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Date: Fri, 10 Nov 2023 20:45:31 -0800
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Cc: Gert Doering <gert@space.net>, list <v6ops@ietf.org>
To: Geoff Huston <gih@apnic.net>
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Subject: Re: [v6ops] New draft at dnsop a bis for DNS IPv6 Transport Operational Guidelines
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> 
> Failure takes time. If a server is serving large responses over IPv6 it may take longer and may take some time to conclude that a response cannot reach the querier over IPv6. To recommend that this extended time SHOULD be the default seems to me to lack adequate operational motivation and lack some cohesion elsewhere in this space to shave off delay elements. TLS 1.3, QUIC, etc.. It we are all for a slower DNS then lets be upfront with that desire! ( :-) )
> 

In fairness, isn’t working around this sort of thing a big part of Happy Eyeballs (for better or worse)?

Owen

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