North American Network Operators Group

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Re: Routescience?

  • From: Sean Finn
  • Date: Thu Aug 23 11:50:33 2001

Christoper, 

  no, the PathControl device does *not* adjust outgoing 
advertisements in any way; all prefixes that we repeat 
carry the NO_EXPORT attribute. 

cheers -- Sean


"Christopher A. Woodfield" wrote:
> 
> Can/will the box adjust inbound route selection via the use of prepending
> and/or provider communities?
> 
> -C
> 
> > Once more, we do not cause the stub AS's own advertisement of themselves
> > to change.  We specifically avoid touching locally originated prefixes.
> > If the ISP is currently accepting any of the routes PathControl is
> > designed to change, then the AS is not stub, it's transit.  Hopefully
> > this clarifies an important issue.
> >
> > (Referring back to Paul Vixie's point, we have found that careful
> > optimization of a single outbound step has very substantial payoffs in
> > terms of the end to end, bidirectional performance.  The figures quoted
> > on our web page and in the press release refer to this: end to end
> > application speedup caused solely by outbound route selection!)
> >
> > Mike
> 
> --
> ---------------------------
> Christopher A. Woodfield                [email protected]
> 
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