On Fri, May 6, 2011 at 12:18 PM, Jonathan Morton <[email protected]>wrote:
> > On 6 May, 2011, at 9:14 pm, Dave Taht wrote: > > > I am curious as to what the correct behavior here should be for > encapsulated (6in4, 6to4, teredo) packets, and if this functionality was > also borked. I was under the impression that for encapsulated packets the > tos field was copied from the encapsulated packet to the ipv4 header. > > Intuitively, these protocols are at the same level as IP in the stack, so > they should preserve ECN information as much as possible. Copying the TOS > field should be sufficient... > > My concern here is that a AQM-aware (ECN) qdisc such as SFB on the external interface will not recognize a flow for what it is, when encapsulated... -- Dave Täht SKYPE: davetaht US Tel: 1-239-829-5608 http://the-edge.blogspot.com
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