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

Mark Andrews <marka@isc.org> Fri, 22 September 2017 21:38 UTC

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To: Gert Doering <gert@space.net>
Cc: Philip Homburg <pch-v6ops-7@u-1.phicoh.com>, v6ops@ietf.org
From: Mark Andrews <marka@isc.org>
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In-reply-to: Your message of "Fri, 22 Sep 2017 14:46:41 +0200." <20170922124641.GB45648@Space.Net>
Date: Sat, 23 Sep 2017 07:36:55 +1000
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Subject: Re: [v6ops] reclassify 464XLAT as standard instead of info
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In message <20170922124641.GB45648@Space.Net>, Gert Doering writes:
> 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.

DS-Lite is a CPE or node based solution like CLAT is a CPE or node
based solution.  Both can be used in either mode.

Mark

> Gert Doering
>         -- NetMaster
> --
> have you enabled IPv6 on something today...?
>
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-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka@isc.org

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