North American Network Operators Group
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Re: ECN

  • From: BjÃrn Mork
  • Date: Fri Nov 07 04:32:48 2008 
David Freedman <[email protected]> writes:

> Implementing this in an MPLS core is not an easy task, you can really
> only do this on the edge, when the MPLS labelled packet arrives at an
> LSR, we don't know if it contains a TCP segment or not (fancy deep h/w
> implementations excluded), all we know is that , if there is congestion,
> we can discard it based on the EXP bits in the shim.

Please see RFC 5129


BjÃrn
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