[130950] in North American Network Operators' Group
Re: Definitive Guide to IPv6 adoption
daemon@ATHENA.MIT.EDU (sthaug@nethelp.no)
Mon Oct 18 14:28:11 2010
Date: Mon, 18 Oct 2010 20:20:20 +0200 (CEST)
To: owen@delong.com
From: sthaug@nethelp.no
In-Reply-To: <BB876698-9EE6-47C2-A82B-FEDA4C0B51BB@delong.com>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
> > don't decide without thinking it through that you're assigning a
> > customer a /64 a /60 a /56 or even /48. this should be defensible as
> > part of a business plan, otherwise what's the point?
> >
> A /48 is defensible. It's the architecturally intended end-site configuration,
> it is allowed by policy, and, it is a reasonable starting point. There is no
> real reason to assign less than a /48 to any end-site other than hyper-
> conservatism due to IPv4-think.
I still haven't seen any good argument for why residential users need
/48s. No, I don't think "that makes all the address assignments the
same size" is a particularly relevant or convincing argument.
We're doing /56 for residential users, and have no plans to change
this.
Steinar Haug, Nethelp consulting, sthaug@nethelp.no