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Re: AS Path Loops in practice ?
- From: David Barak
- Date: Fri Dec 12 10:41:41 2003
--- "Stephen J. Wilcox" <steve@telecomplete.co.uk>
wrote:
> > 3) One advantage of using a public, albeit common,
> customer ASN is that if a
> > customer has RIR-allocated space, those IPs will
> make it onto the global
> > table, and will not suffer the filtering which may
> be present for the
> > provider's own routes.
>
> Ok this seems to be a difference, altho not sure why
> the custs IPs should need
> to do anything different from the providers IPs as
> presumably both need to be
> reachable from everywhere?
>
There are providers out there who treat $PEER
differently from $CUSTOMER_OF_PEER, with regard to
aggregation etc.
Also, I believe that there used to be providers who
would dampen routes on a per-AS basis, rather than on
a per-route basis. I am not sure whether anyone still
does this.
=====
David Barak
-fully RFC 1925 compliant-
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