[156373] in North American Network Operators' Group
Re: IPv6 Ignorance
daemon@ATHENA.MIT.EDU (Jimmy Hess)
Mon Sep 17 00:13:06 2012
In-Reply-To: <m2zk4p2uys.wl%randy@psg.com>
Date: Sun, 16 Sep 2012 23:12:26 -0500
From: Jimmy Hess <mysidia@gmail.com>
To: Randy Bush <randy@psg.com>
Cc: North American Network Operators' Group <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On 9/16/12, Randy Bush <randy@psg.com> wrote:
> and don't bs me with how humongous the v6 address space is. we once
> though 32 bits was humongous.
[snip]
When you consider that IPv6 is a 64-bit address space, that is 64
bits are for addressing subnetworks, the "/64 spend" for
addressing hosts within a network as compared to v4 is 0%, not
50%.
And there are twice as many IPv6 bits for addressing such /64s, as
the entire IPv4 address space.
2^64 minus 2^32 is a humongous number indeed, and we know
numerically just how humongous it is.
The RIRs can collectively hand out 450 /32s a day or one /24
and one /25's worth a day, for the next 100 years, before a single
/8 would be exhausted.
And if IPv6 addressing resources last 100 years, I would say, that
the objective was more than met.
> randy
--
-JH
