[Bloat] No ECN marking in IPv6 linux

[Dave Taht]

On Fri, May 6, 2011 at 12:18 PM, Jonathan Morton <chromatix99 at gmail.com>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
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.bufferbloat.net/pipermail/bloat/attachments/20110506/a2443ee1/attachment-0002.html>