Fundamental questions of backbone design

[Valdis.Kletnieks at vt.edu (Valdis.Kletnieks at vt.edu)]

On Fri, 18 Oct 2013 23:33:16 +0530, Anurag Bhatia said:

>    localpref to customer routes then peering and finally transit. Does this
>    works well or you see issues with people who have 10+ prepends on some
>    peering routes calling you to not send traffic via those circuits?

OK. I admit being perplexed.  Under what conditions will somebody have that
many prepends and you *still* end up routing via that path if you have
another path available?

I guess if they were silly and prepended themselves 10 times and then
announced the result to the upstreams of *both* paths you have available...
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