On 27 Jun 2007, at 1:03pm, Jeroen Massar wrote:
[...]
Most childhood illnesses go away but the /48 assignments made by ARIN
and APNIC are permanent. What incentive is there - or will there be -
for those organisations to return their prefixes and take PA space
from
one or more of their upstream providers?
ISPs can then force them. "Oh you want to announce a /48? Cool, but
show
us the money". It will then be cheaper to use their PA block on the
'outside' as a Locator, while using their own PI block as a
Identifier.
Filtering by the majority of the ISP's, accepting only /32's or for
that
matter only blocks from PA space, resolves all of that, with a little
bit of force but it will work.
I don't remember many ISPs trying to force their customers with
several classful assignments to renumber into a single PA assignment.
Why do you think ISPs will try and force renumber (or re-prefixing)
costs on their existing customers?
Regards,
--
Leo Vegoda
IANA Numbers Liaison
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