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Re: DNS64, DANE and DPRIV

Mark Andrews <marka@isc.org> Sun, 07 December 2014 00:23 UTC

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To: Randy Bush <randy@psg.com>
From: Mark Andrews <marka@isc.org>
References: <CAMm+Lwj+KjTVka1M7O+tsp76C_OCGR0bWKH_k5UrZXSYZrF+GA@mail.gmail.com> <20141206213552.2777C2508A06@rock.dv.isc.org> <m24mt8fmkk.wl%randy@psg.com> <20141206235836.92E062509740@rock.dv.isc.org> <m2tx18e3b5.wl%randy@psg.com>
Subject: Re: DNS64, DANE and DPRIV
In-reply-to: Your message of "Sun, 07 Dec 2014 09:01:02 +0900." <m2tx18e3b5.wl%randy@psg.com>
Date: Sun, 07 Dec 2014 11:23:34 +1100
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In message <m2tx18e3b5.wl%randy@psg.com>, Randy Bush writes:
> >>> DNS64 is not the only solution for a ISP to go IPv6 only.
> >> 64 was motivated by the need for a 6-only *enterprise*
> >
> > And DNS64 requires NAT in the core and a fork lift upgrade of the
> > CPE to support IPv6.
> 
> no.  let's try reading what i said again.  i requires nat at the edge of
> the V6-ONLY ENTERPRISE.  considering the enterprise is v6-only and
> trying to talk to a v4 world, address translation is inevitable.

Yet we have ISPs trying to use / contemplating using DNS64.

DS-Lite in the enterprise would require moving DL-Lite to the node
and not all nodes.  Just those that need to communicate with the
outside world.  For most of those boxes it's just a reuse of existing
stack functionality.

> randy
-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka@isc.org

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