Re: [DNSOP] [homenet] Fwd: WGLC on "redact" and "homenet-dot"

Brian Dickson <brian.peter.dickson@gmail.com> Thu, 15 December 2016 03:30 UTC

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From: Brian Dickson <brian.peter.dickson@gmail.com>
Date: Wed, 14 Dec 2016 19:30:20 -0800
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To: Ted Lemon <mellon@fugue.com>
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Cc: "dnsop@ietf.org WG" <dnsop@ietf.org>, John Levine <johnl@taugh.com>, HOMENET <homenet@ietf.org>, Michael StJohns <msj@nthpermutation.com>
Subject: Re: [DNSOP] [homenet] Fwd: WGLC on "redact" and "homenet-dot"
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On Wed, Dec 14, 2016 at 6:37 PM, Ted Lemon <mellon@fugue.com> wrote:

> Brian, there's no need for the complexity you are describing.   The
> unsecured delegation of .homenet would just point to AS112.   Any trust
> anchor bootstrapping would not involve the root at all.
>

Is the intent just to have a global NXDOMAIN, provided with no DNSSEC?

That works at preventing homenet from working unless every resolver inside
the home network is homenet-aware.
(And yes, I realize as currently specified in RFC 7778, that is a
requirement.)

However, I don't believe that is only (or optimal) path for the homenet.

Their stated goal is that they want everything to work, plug-and-play.

What I'm proposing will (I believe) actually produce a working network as
long as a single resolver is homenet-aware.
It automatically gets non-homenet-aware resolvers to point at homenet-aware
resolvers (ie homenet routers), as long as the default address for homenet
routers' DNS service, is the same as the value assigned in the AS112-like
delegation.

I.e. it turns a broken hybrid of "today" networks plus a "homenet", into a
fully functional homenet with a minimum of
deployments/upgrades/replacements. It also minimizes the "broken Christmas
light" aka "missing terminator" class of problem, if any host is running
its own recursive resolver (which would then fail to properly integrate
into the homenet.)

(Also, I think having things with built-in firmware-based crappy resolvers
actually work without any patching, would be nice.)

I agree that an unsigned delegation is sufficient for non-hybrid
homenet-aware gear to provide hosts a correct homenet experience.

Brian