Re: ECN

From: Mikael Abrahamsson (no email)
Date: Fri Nov 07 2008 - 06:04:12 EST

  • Next message: Michal Krsek: "Re: Internet partitioning event regulations (was: RE: Sending vs requesting. Was: Re: Sprint / Cogent)"

    On Fri, 7 Nov 2008, David Freedman wrote:

    > 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.

    I did some more checking and neither 12000 (IOS) nor CRS-1 seems to
    support WRED with ECN (at least the command doesn't show when I create a
    policy-map), so I'm going to ping my Cisco SE and hear about what's going
    on.

    -- 
    Mikael Abrahamsson    email: 
    

  • Next message: Michal Krsek: "Re: Internet partitioning event regulations (was: RE: Sending vs requesting. Was: Re: Sprint / Cogent)"





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