Re: ECN

From: Bjørn Mork (no email)
Date: Fri Nov 07 2008 - 04:32:36 EST

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    David Freedman <> 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

    Bjørn


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