[8175] in North American Network Operators' Group
Re: consistent policy != consistent announcements
daemon@ATHENA.MIT.EDU (Randy Bush)
Fri Mar 14 11:27:01 1997
Date: Fri, 14 Mar 97 07:59 PST
From: randy@psg.com (Randy Bush)
To: Alan Barrett <apb@iafrica.com>
Cc: nanog@merit.edu
> M
> / \
> A B * Peer link
> | * | Customer link
> RRRRRRR
> Point1 * * Point2
> VVVVVVV
>
> I suppose that R should change their policy, so that all routes to M get
> treated as customer routes, even if non-customers appear in the path
> between R and M.
How is R supposed to recognize some likely disjoint set of of what A
announces to R as coming from M through B so as to recognize it as a
customer prefix? Note that the paths from M to R through A and B can
be longer than depicted and that M's address space may not be taken
from R's, A's, or B's.
randy