Re: I-D Action: draft-ietf-idr-deprecate-as-set-confed-set-01.txt

> It is a BCP that providers should filter routes that cover their address
> space.  Filtering out P1/24 and longer is easy.  What do they do about
> P1/22?  What filtering construct says "this overlaps my /24?"  You've
> created a new policy need, I think. *

Which BCP is that?  It is quite common that a provider announces their
assigned aggregate and multi-homed customers announce the prefixes
assigned to them from that aggregate.  Perhaps I am mis-understanding
you.

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