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Re: Customer AS

  • From: Sean Doran
  • Date: Sat Aug 17 18:14:05 1996


Curtis Villamizar <> writes:

> The answer is clearly to number into an aggregate if you are dual
> homed.  Sprint will take the aggregate and at least have one path to
> your prefix, very likely two if your two providers exchange your more
> specific route between each other.

We will route long prefixes across customer connections.
Therefore, if a customer is dual-homed to another provider
and has a long prefix from that other provider, we will
listen to that long prefix across the customer connection.

When it goes away, we will hear the aggregate, and route
towards that.

This, as Curtis says, is a clear win.

I would note, though, that there is the risk that the
other provider has contractual language wrt the
non-portability of that provider's addresses that might
make this not work.  That, as Paul says, might be

However, I am sure that this would not be an insoluble
problem, since, as I said in an earlier note, a price for
an exception might be found through negotiation, even
though an "official" PIARA experiment has not been started.


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