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Re: [DNSOP] opportunistic refresh and Happy Eyeballs

"Paul Hoffman" <paul.hoffman@vpnc.org> Tue, 15 August 2017 16:33 UTC

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From: Paul Hoffman <paul.hoffman@vpnc.org>
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Date: Tue, 15 Aug 2017 09:33:37 -0700
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Subject: Re: [DNSOP] opportunistic refresh and Happy Eyeballs
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On 15 Aug 2017, at 4:29, Ted Lemon wrote:

> If it's a commonly-used name, isn't this a one-time event, though?   
> The happy eyeballs client asks for A and AAAA, gets A because it was 
> in the cache, but AAAA also winds up in the cache, and then because 
> it's a commonly used name, neither record ever goes stale again.

+1 to this question. Happy eyeballs might tend to v4 for the first 
lookup, but then hopefully not after that.

This WG has already spent years trying to rearchitect the A/AAAA lookup.

--Paul Hoffman

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