[128273] in North American Network Operators' Group
Re: Addressing plan exercise for our IPv6 course
daemon@ATHENA.MIT.EDU (Leo Vegoda)
Thu Jul 29 13:08:59 2010
From: Leo Vegoda <leo.vegoda@icann.org>
To: Matthew Walster <matthew@walster.org>
Date: Thu, 29 Jul 2010 10:08:33 -0700
In-Reply-To: <AANLkTimjdW1ZTHr_5Gs0UV6qK-5OPHEv492nkQmFkspx@mail.gmail.com>
Cc: "nanog@nanog.org" <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On 29 Jul 2010, at 8:00, Matthew Walster wrote:
> On 29 July 2010 15:49, Owen DeLong <owen@delong.com> wrote:
>> If we give every household on the planet a /48 (approximately 3 billion
>> /48s), we consume less than 1/8192 of 2000::/3.
>=20
> There are 65,536 /48s in a /32. It's not about how available 2000::/3
> is, it's hassle to keep requesting additional PA space. Some ISPs
> literally have millions of customers.
Why would you initially request and receive a /32 if you know that you'll n=
eed far more space to assign subnets to all your customers?
> All I'm saying is, why waste the space when they're only going to need
> 1 subnet? If they want more than one subnet, give them a /48,/56,/60
> or whatever, as requested.
There's a good chance that you want to keep your customers for the long hau=
l. There's a good chance that in the long run multi-subnet home networks wi=
ll become the norm.
Leo
