[ovs-discuss] Per-flow QoS/rate limiting

[Ben Pfaff]

On Sat, Mar 26, 2016 at 06:46:23PM +0900, Borasy Kong wrote:
> I was wondering if someone could tell me whether Open vSwtich supports
> per-flow rate limiting or QoS fully or not. If it does, is there a guide to
> implementing such functions.
> 
> PS. A paper titled "FlowQoS: Per-Flow Quality of Service for Broadband
> Access Networks" says OVS doesn't support the parts of the OpenFlow 1.3
> specification for per-flow QoS.

Did you read the FAQ?  It has a whole section on QoS.