[Bloat] [Starlink] Of interest: Comcast AQM Paper

Mikael Abrahamsson swmike at swm.pp.se
Wed Aug 4 08:46:30 EDT 2021

On Wed, 4 Aug 2021, Jonathan Morton wrote:

> Linux-based CPE devices have AQM functionality integrated into the Wifi 
> stack.  The AQM itself operates at layer 3, but the Linux Wifi stack 
> implementation uses information from layers 2 and 4 to improve 
> scheduling decisions, eg. airtime-fairness and flow-isolation (FQ). This 
> works best on soft-MAC Wifi hardware, such as ath9k/10k and MT76, where 
> this information is most readily available to software.  In principle it 
> could also be implemented in the MAC, but I don't know of any vendor 
> that's done that yet.

Does this work also with flowoffload enabled, or is that not accelerated 
on for instance MT76? I'm surprised since MT76 can barely do 100 meg/s of 
large packets using only CPU?

Mikael Abrahamsson    email: swmike at swm.pp.se

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