Re: filtering /48 is going to be necessary

[William Herrin <bill () herrin us>]

On Fri, Mar 9, 2012 at 4:02 AM, Jeff Wheeler <jsw () inconcepts biz> wrote:
> On Fri, Mar 9, 2012 at 3:23 AM, Mehmet Akcin <mehmet () akcin net> wrote:
> > if you know anyone who is filtering /48 , you can
> > start telling them to STOP doing so as a good citizen of internet6.
>
> I had a bit of off-list discussion about this topic, and I was not
> going to bring it up today on-list, but since the other point of view
> is already there, I may as well.
>
> Unless you are going to pay the bill for my clients to upgrade their
> 3BXL/3CXL systems (and similar) to XXL and then XXXL, I think we need
> to do two things before IPv6 up-take is really broad:
>
> 1) absolutely must drop /48 de-aggregates from ISP blocks
> 2) absolutely must make RIR policy so orgs can get /48s for
> anycasting, and whatever other purposes
>
> If we fail to adjust RIR policy to account for the huge amount of
> accidental de-aggregation that can (and will) happen with IPv6, we
> will eventually have to do #1 anyway, but a bunch of networks will
> have to renumber in order take advantage of #2 down the road.

Hi Jeff,

We could use smarter prefix filtering than that. Which was proposed to
ARIN a couple years ago. And failed.

http://lists.arin.net/pipermail/arin-ppml/2009-November/015521.html

Regards,
Bill Herrin


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