[156399] in North American Network Operators' Group
Re: IPv6 Ignorance
daemon@ATHENA.MIT.EDU (Owen DeLong)
Mon Sep 17 14:18:20 2012
From: Owen DeLong <owen@delong.com>
In-Reply-To: <alpine.BSF.2.00.1209161954180.43729@joyce.lan>
Date: Mon, 17 Sep 2012 11:13:59 -0700
To: "John R. Levine" <johnl@iecc.com>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Sep 16, 2012, at 16:58 , John R. Levine <johnl@iecc.com> wrote:
>>> IPv6 has its problems, but running out of addresses is not one of =
them.
>>> For those of us worried about abuse management, the problem is the
>>> opposite, even the current tiny sliver of addresses is so huge that
>>> techniques from IPv4 to map who's doing what where don't scale.
>>=20
>> Well, in IPv4... NAT broke it, because networks implementing 1:many
>> NAT could no longer easily identify what host was responsible for =
abuse.
>=20
> I realize that's a problem in theory, in practice it's not because =
it's still rare to have interestingly different hosts behind a single =
NAT.
>=20
CGN should solve that and convert theory to practice quite effectively.
Owen
