[125689] in North American Network Operators' Group
Re: [Re: http://tools.ietf.org/search/draft-hain-ipv6-ulac-01]
daemon@ATHENA.MIT.EDU (Daniel Senie)
Wed Apr 21 09:43:36 2010
From: Daniel Senie <dts@senie.com>
In-Reply-To: <u2q75cb24521004210625m524c374dg2161bb56994037be@mail.gmail.com>
Date: Wed, 21 Apr 2010 09:42:53 -0400
To: Christopher Morrow <morrowc.lists@gmail.com>
Cc: bmanning@vacation.karoshi.com, nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Apr 21, 2010, at 9:25 AM, Christopher Morrow wrote:
> On Wed, Apr 21, 2010 at 1:29 AM, Owen DeLong <owen@delong.com> wrote:
>> While I think this is an improvement, unless the distribution of =
ULA-C is no cheaper
>> and no easier to get than GUA, I still think there is reason to =
believe that it is likely
>> ULA-C will become de facto GUA over the long term.
>>=20
>> As such, I still think the current draft is a bad idea absent =
appropriate protections in
>> RIR policy.
>=20
> I agree with owen, mostly... except I think we should just push RIR's
> to make GUA accessible to folks that need ipv6 adress space,
> regardless of connectiivty to thegreater 'internet' (for some
> definition of that thing).
>=20
> ULA of all types causes headaches on hosts, routers, etc. There is no
> reason to go down that road, just use GUA (Globally Unique Addresses).
>=20
> -Chris
Failure to provide an ULA mechanism will result in self assignment from =
the spaces not yet made available for allocation. Down that road we will =
find history repeating itself.
The reason I see a use in ULA-C is to ensure there is a way for =
cooperating organizations (whether within or between enterprises) to =
have addressing that will not overlap for private interconnects. If the =
RIRs will give out the space to end users and not charge a fortune for =
it, there may be a chance of that working. It is less clear whether this =
is within the business model or mission of the RIRs, though, to hand out =
very small chucks of address space to a very large number of =
organizations for address space that will not be routed.
Of course if the ULA approach does gain acceptance, you'll have a LOT =
easier time deciding which blocks of addresses to permit and deny in =
your BGP sessions and packet filters on your borders.=
