[111350] in North American Network Operators' Group
Re: Private use of non-RFC1918 IP space (IPv6-MW)
daemon@ATHENA.MIT.EDU (Anthony Roberts)
Wed Feb 4 19:46:31 2009
Date: Wed, 04 Feb 2009 17:46:20 -0700
From: Anthony Roberts <nanog@arbitraryconstant.com>
To: Scott Howard <scott@doc.net.au>
In-Reply-To: <f1dedf9c0902041556i5ce9fb57x76c83f1c6393f81f@mail.gmail.com>
Cc: nanog list <nanog@nanog.org>
Errors-To: nanog-bounces@nanog.org
On Wed, 4 Feb 2009 15:56:44 -0800, Scott Howard <scott@doc.net.au> wrote:
> On Mon, Feb 2, 2009 at 9:30 PM,
> Anthony Roberts <nanog@arbitraryconstant.com> wrote:
>
>> It has been my experience that when you give someone a huge address
space
>> to play with (eg 10/8), they start doing things like using bits in the
>> address as flags for things. Suddenly you find yourself using a prefix
>> that should enough for a decent sized country in a half-rack.
>
> Which is, of course, a core design philosophy for IPv6. Stateless
> autoconfig
> relies on the fact that each network will be allocated 2^64 address.
I'm actually pretty happy about /64's, they take away all the hand-wringing
over how big a network should be, and they make manually configured server
addresses easier to remember through the use of big regions of 0s. I was
thinking more about wasting prefix bits.
-Anthony