Thanks,
A further question, is it mandatory for all the aggregated information
be appended at the AS path, is it possible for some aggregations do
not propagate outside? By this, I mean some ASes completely conceal
their aggregated ASes when propagation.
thanks a lot.
On Wed, Oct 22, 2008 at 10:3
the ASes in the AS_SET resulted from merging 2 or more AS_PATHS, you
only know at least one of them is connected to AS3 ...
more details at rfc4271:
http://www.ietf.org/rfc/rfc4271.txt
"An AS_SET implies that the destinations listed in the NLRI can
be reached through paths that travers
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