nanog mailing list archives

Re: An informal survey... round II


From: Joel Jaeggli <joelja () bogus com>
Date: Thu, 30 Aug 2007 09:16:24 -0700


William Herrin wrote:
On 8/30/07, John Curran <jcurran () mail com> wrote:
I.E.  If at some time unknown around 2010, ISP's stop receiving
new allocations from their RIR, and instead use of many smaller
"recycled" IPv4 address blocks, we could be looking at a 10x to
20x increase in routes per month for the same customer growth.

John,

Why should we announce tiny recycled blocks? If there is a /16 in the
swamp in which half the space is free but its all /24's, why wouldn't
wouldn't we allocate all the free /24's to a single entity and
instruct the entity to announce it as a "holey" /16? The existing /24
holders will override (punch holes in) the /16 for their /24's.

And when they withdraw the more specific or you glop them together in
your fib in the name of agregation a 3rd party gets all their traffic?
I'm sure that will work really well.

Regards,
Bill Herrin




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