[dpdk-dev] Queue Management Support in DPDK

[Stephen Hemminger]

On Thu, 30 Jul 2020 00:07:29 +0530
Archit Pandey <architpandeynitk at gmail.com> wrote:

> Hello everyone,
> 
> We have been using DPDK's QoS framework over the last year and found
> that rte_sched and the provided qos_sched app work great for QoS.
> 
> However, when we ventured into trying to add CoDel (to replace RED) as
> a dropper to the framework, we faced several challenges due to how
> tightly rte_sched and rte_red were coupled together. As we had no
> success with rte_sched, we would like to propose a new framework for
> queue management in DPDK.
> 
> Goals we have in mind for the framework:
> - Act as an abstraction for queue management algorithms (AQMs) such as
> CoDel, PiE and RED.
> - Make it easy for new algorithms to be added.
> 
> We’d appreciate feedback on whether such a framework would be welcomed
> in the community, or what else could be done for adding queue
> management support.
> 
> Sincerely,
> Archit Pandey.

rte_sched is not a generic AQM mechanism. You will have to write a new
replacement for rte_sched if you want something else.

I would recommend starting with Cake. It is latest and most complete
and the developers are active and friendly.