IPv6 multihoming

Bernhard Schmidt berni at birkenwald.de
Sat Feb 5 10:49:16 CET 2011

On 04.02.2011 20:31, Brian E Carpenter wrote:


> If you mean that punching holes in PA blocks is a bad idea, I agree,
> but really only for the same reason - it doesn't scale to millions,
> only to thousands. Once people accept /48s, PI or PA are just about
> the same.

I don't agree. A lot of /48s in PA space look like unintentionally 
leaked more-specifics from iBGP, while a /48 from PI space is usually 

Which is why I'm (of course) accepting /48 from PI+IXP ranges but not 
only up to /36 from PA.


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