[146754] in North American Network Operators' Group
RE: Dynamic (changing) IPv6 prefix delegation
daemon@ATHENA.MIT.EDU (Nathan Eisenberg)
Mon Nov 21 18:08:50 2011
From: Nathan Eisenberg <nathan@atlasnetworks.us>
To: "nanog@nanog.org" <nanog@nanog.org>
Date: Mon, 21 Nov 2011 23:07:42 +0000
In-Reply-To: <CAMfXtQyUs---_Mt7D_mFKbV=df4ZJ61=ify3nkNcxEtopJAeRw@mail.gmail.com>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
> > What does Joe Sixpack do at home with a /48 that he cannot do with a
> /56 or a /60?
>=20
> Flexibility. With dhcpv6 prefix delegation, you are going to want
> devices
> to be able to request (at least) /60s for further delegation (and
> better yet
> /56s to allow them to delegate /60s with further delegation when
> needed).
>=20
> While Joe may not have as complex of an environment as his neighbor
> Sue, should we target the common Joe, or the advanced Sue? As I
> suspect Owen will say, there is no reason *not* to give out /48s
> (ipv6 space is huge), and this is good opportunity to enable the
> residential user to not have to work around artificial limits in the
> future.
>=20
> Gary
Prefix delegation for what? What does Sue do at home that requires 2 level=
s of prefix delegation inside the house? Does Sue really need to be able t=
o have 65536 subnets instead of 256 in her home?=20
Nathan
