ECN

David Freedman david.freedman at uk.clara.net
Fri Nov 7 05:00:07 CST 2008


Interesting , I hadn't followed this since draft-ietf-mpls-ecn-00,
, I eagerly await a vendor implementation :)

Dave.

Bjørn Mork wrote:
> David Freedman <david.freedman at uk.clara.net> 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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