[190452] in North American Network Operators' Group
Re: IPv6 deployment excuses
daemon@ATHENA.MIT.EDU (Jared Mauch)
Mon Jul 4 22:47:47 2016
X-Original-To: nanog@nanog.org
From: Jared Mauch <jared@puck.nether.net>
In-Reply-To: <38CAAADF-ADDC-415A-9AD3-C9E55ECD8ADC@rivervalleyinternet.net>
Date: Mon, 4 Jul 2016 22:47:42 -0400
To: Matt Hoppes <mattlists@rivervalleyinternet.net>
Cc: nanog@nanog.org
Errors-To: nanog-bounces@nanog.org
> On Jul 4, 2016, at 10:32 PM, Matt Hoppes =
<mattlists@rivervalleyinternet.net> wrote:
>=20
> Jared,
> The issue I have with the whole DNS IPv6 thing is IPs are static (on =
infrastructure), DNS can get munged up and is another database we have =
to maintain.=20
I=E2=80=99m not sure I understand your point. DNS is DNS. It=E2=80=99s =
not the 1990s anymore and people should not be doing this without =
automation.
> So now rather than just maintaining an IP database we have to maintain =
a database for DNS to IP and the IP.=20
This should be done at the same time. There=E2=80=99s plenty of people =
who have done this, so you shouldn=E2=80=99t have to build it yourself =
either, but you may want to.
> And Ina subscriber network things like cpe12232.domain.com are =
worthless for identifying the end user so I'm referencing the Ip back to =
something else anyway.
Your central unit should be the subscriber and they should have the =
relevant attributes associated with them, be it IP history as well as =
account history. You can have the DNS system sign on the fly if you =
have DNSSEC and that=E2=80=99s your concern. IPv6 hosts still leave =
something to be desired for dynamic DNS entries, but looking at what =
happens behind Comcast as an example, there are no PTR records, eg:
2601:401:4:3000:71d1:cf8e:a951:xxxx -> =
x.x.x.x.1.5.9.a.e.8.f.c.1.d.1.7.0.0.0.3.4.0.0.0.1.0.4.0.1.0.6.2.ip6.arpa =
not found: 3(NXDOMAIN)
If you want to make it more user friendly, you can overload it like =
this:
openresolverproject.org has address 204.42.254.206
openresolverproject.org has IPv6 address 2001:418::7011:204:42:254:206
- Jared=
