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Re: [v6ops] reclassify 464XLAT as standard instead of info

Gert Doering <gert@space.net> Fri, 22 September 2017 12:46 UTC

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Date: Fri, 22 Sep 2017 14:46:41 +0200
From: Gert Doering <gert@space.net>
To: Philip Homburg <pch-v6ops-7@u-1.phicoh.com>
Cc: v6ops@ietf.org, Gert Doering <gert@space.net>
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Subject: Re: [v6ops] reclassify 464XLAT as standard instead of info
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Hi,

On Fri, Sep 22, 2017 at 02:44:50PM +0200, Philip Homburg wrote:
> >Yeah, but you can't have the cake and eat it.  Either we go v6-only
> >everywhere, or we keep running IPv4 everywhere until everybody else
> >is done, or we introduce v4/v6 NATs, or we add a CLAT to every single
> >operating system out there.
> 
> You left out the option where the CPE or other first hop router offers native
> IPv4 to the host (probably involving some kind of IPv4 NAT, but that is
> more or less standard these days) and tunnels the complete IPv4 packet to
> the network's IPv4 gateway.
> 
> This avoid all of the NAT64/DNS64 problems.

And why is that a desirable end goal, cement IPv4 in everybody's home
networks?

Either the goal is "get rid on IPv4 on as many cables as we can" or we
can just give up and interconnect IPv4 clouds over NAT gateways, using 
whatever underlay in between - MPLS, IPv6, IPv4, it will not matter.

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

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