nanog mailing list archives

Why did we do CIDR? (RE: Confussion over multi-homing)


From: Sean Donelan <sean () donelan com>
Date: 14 Sep 2000 14:50:07 -0700


On Thu, 14 September 2000, Paul Froutan wrote:
What you can do is get permission from the ISP that provides you the IPs 
(say ISP A) so you can have other ISPs announce your blocks.  You also need 
to get ISP A to deaggregate your block and announce it separately into the 
global BGP table.  We did this back in the day and it works fine if the ISP 
giving you IPs is somewhat reasonable and helpful.

If folks are going to deaggregate the addresses and announce multiple routes
anyway, why are we going through the pain of ARIN policies.  Wouldn't it be
better to allocate the appropriately sized address in the first place?






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