[168477] in North American Network Operators' Group

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Re: Will a single /27 get fully routed these days?

daemon@ATHENA.MIT.EDU (David Conrad)
Sun Jan 26 20:26:39 2014

From: David Conrad <drc@virtualized.org>
In-Reply-To: <20140126194526.2444.qmail@joyce.lan>
Date: Sun, 26 Jan 2014 17:26:18 -0800
To: John Levine <johnl@iecc.com>
Cc: North American Network Operators' Group <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org


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On Jan 26, 2014, at 11:45 AM, John Levine <johnl@iecc.com> wrote:
>> I wonder what will change (if anything) when ARIN runs out of IPv4 =
space.
> The market in used IPv4 space will come out from the shadows,

It mostly has already done so in the APNIC and RIPE regions out of =
necessity.

> and we'll see endless arguments between
> buyers of IPv4 space and ARIN, when ARIN refuses the updates to the
> address registry.

This would be "bad". I can think of few more effective ways of =
destroying the RIR system than by refusing to update the address =
registry. IMHO, the primary function of the Registries is to, you know, =
register. Not act as policy police, particularly of policies defined by =
a handful of folks who bother to participate in the ARIN public policy =
processes.

> I don't see any reason for the people who run defaultless routers all =
over the world to change the /24 rule. =20

So IIUC, the theory goes that ISPs will be encouraged by their customers =
(upon pain of those customers becoming former customers) to announce =
their long prefixes, even though the ISPs will say "but nobody will =
listen".  However, some ISPs _do_ listen (or rather, _don't_ filter) so =
the long prefix customers will get partial (i.e., worse than normal) =
reachability. Said customers will then whine at their ISPs saying "fix =
it!" and said ISPs will go to their peers and grovel, perhaps offering =
the Faustian bargain of "I'll accept yours if you accept mine and our =
respective customers will stop whining at us about each other". And then =
the apocalypse occurs. Or something like that.

Regards,
-drc


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