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Re: [DNSOP] [v6ops] New Version Notification for draft-v6ops-xie-network-happyeyeballs-00.txt

Gert Doering <gert@space.net> Wed, 26 September 2018 06:36 UTC

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Date: Wed, 26 Sep 2018 08:36:09 +0200
From: Gert Doering <gert@space.net>
To: George Michaelson <ggm@algebras.org>
Cc: dnsop WG <dnsop@ietf.org>, "<v6ops@ietf.org>" <v6ops@ietf.org>
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Subject: Re: [DNSOP] [v6ops] New Version Notification for draft-v6ops-xie-network-happyeyeballs-00.txt
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Hi,

On Wed, Sep 26, 2018 at 03:28:24PM +1000, George Michaelson wrote:
> run a race, but bias the race towards the one you like? okaaaay.. But
> once we're beyond a world where the V6 needs the bias, for anyone
> stuck on the vestigial 4-is-better space, this means they incurred
> *additional* connection penalty. wheres the control knob?

We need a bias for one or the other protocol.  Otherwise you'll end up
flipflopping between v4 and v6 for subsequent connections if both are
equal (because the networks in beween just run v4 and v6 over the same
links, same devices, same peerings, ...) - and that is a major annoyance
when trying to troubleshoot things.  Like, web server access that 
"sometimes works and on reload brings an error" (because apache ACLs
are not in sync for v4 vs. v6).

In the long run, we want a single protocol, whichever it is.  Dual-stack
is dual-work.

Gert Doering
        -- NetMaster
-- 
have you enabled IPv6 on something today...?

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