[ovs-discuss] queueing discipline

[selen jia]

Hi,

To verify HTB and HFSC on OVS ,if I am creating queue and setting rate
through vsctl command then do I need to do some configuration from "tc"
also?

Regards,
Selen
On Tue, Jul 3, 2012 at 12:10 PM, Justin Pettit <jpettit at nicira.com> wrote:

> The former.  If you want to control the rate going into the switch from
> the VM, you'd need to use a policer.
>
> --Justin
>
>
> On Jul 2, 2012, at 11:35 PM, selen jia wrote:
>
> > Hi Justin,
> >
> > Is that mean to verify HTB and HFSC on VM interfaces , I have to create
> queues on VM interface with particular bandwidth/rate and have to send
> traffic from switch to VM and then check rate .
> > this is ingress to VM, right?
> >
> > OR
> > after creating queue on VM , I will send traffic from VM and will verify
> the rate of traffic coming out of VM interface on switch?
> >
> > Regards,
> > Selen
> >
> > On Tue, Jul 3, 2012 at 11:43 AM, Justin Pettit <jpettit at nicira.com>
> wrote:
> > On Jul 2, 2012, at 10:30 PM, selen jia wrote:
> >
> > > It means HTB, HFSC and policing all would work on VM interfaces ?
> >
> > Yes, they should.  We just leverage the tc's mechanisms in the kernel.
> >
> > > Is this implementation opposite to policing because policing act as
> ingress for switch perspective and egress for VM interface?
> >
> > That sounds correct.  Policing is applied on traffic coming into OVS,
> and shaping (queueing) is applied on traffic going out of OVS.  So, you
> just have to think about it from the switch's perspective.
> >
> > --Justin
> >
> >
> >
>
>
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