[131645] in North American Network Operators' Group
Re: Failover IPv6 with multiple PA prefixes (Was: IPv6 fc00::/7 -
daemon@ATHENA.MIT.EDU (Owen DeLong)
Sun Oct 31 15:04:47 2010
From: Owen DeLong <owen@delong.com>
In-Reply-To: <AANLkTi=4XXr0jtm9CYKAx4kfEp3WPyQ4YdX1bgRj9Or9@mail.gmail.com>
Date: Sun, 31 Oct 2010 12:01:40 -0700
To: Matthew Petach <mpetach@netflight.com>
Cc: NANOG list <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Oct 31, 2010, at 10:58 AM, Matthew Petach wrote:
> On Sun, Oct 31, 2010 at 10:26 AM, Matthew Kaufman <matthew@matthew.at> =
wrote:
>> On 10/31/2010 9:31 AM, Owen DeLong wrote:
>>> If you have PI space, changing providers can be even easier and you =
can
>>> leave
>>> multiple providers running in parallel.
>>=20
>> That's a big IF, given the above. He doesn't qualify for PI space, =
thanks to
>> ARIN policies set by people who want routing tables to stay as small =
as
>> possible, so PI space to be as difficult as possible to obtain for =
people
>> like him.
>=20
> Would it help if ARIN's policies were changed to allow anyone and =
everyone
> to obtain PI space directly from them (for the appropriate fee, of =
course), and
> then it was left up to the operating community to decide whether or =
not to
> route the smaller chunks of space?
>=20
I really don't expect this to be as much of an issue in IPv6.
> Right now, we're trying to keep the two communities somewhat in =
alignment,
> so that when people obtain IP space, they have a relatively good =
feeling about
> it being routed correctly. If we let the ARIN policies stray too far
> from what the
> router operators can/will accept, we're going to end up with an ugly, =
fragmented
> internet in which organizations are given PI GUA space, only to
> discover it's not
> actually useful for reaching large swaths of the internet.
>=20
PI GUA is at least as useful in that context as ULA.
> I'd hazard a guess that people would consider that to be a worse =
scenario
> than the one in which we limit who can get PI space so that there's a =
reasonably
> good probability that when the space is issued and announced via BGP, =
it will be
> reachable from most of the rest of the internet...that is to say, our
> current modus
> operandi.
>=20
Not if they are turning to ULA.
Owen
