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Cell Relay Retreat>MPLS WG Archive>month:2002-Nov> msg00132



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Load balancing draft

  • From: Alia Atlas <aatlas@avici.com>
  • Date: Tue, 19 Nov 2002 22:40:48 -0500
  • Cc: "David Allan" <dallan@nortelnetworks.com>, "'MPLS@UU.net'" <MPLS@UU.NET>

At 05:45 PM 11/19/2002 -0500, Thomas D. Nadeau wrote:
>         Not necessarily. I think you can test/trace the paths using LSP ping,
>but of course, there is a price to pay for that too; there is no free lunch.
>The advantage of the latter is that it works with all of the hardware
>deployed today.

How does it work today with the pseudo-wire case?  From the draft, it seems 
that the same PW label is used, but it is not the bottom of stack, b/c 
there is an explicit NULL underneath.

So, suddenly one must forward based not only on the MPLS label but also 
the  bottom-of-stack bit...

Tell me I'm missing something here, but if the above is really what is 
intended in the draft, I don't understand how you can claim that it is 
compatible with current MPLS hardware.

Alia