[ovs-discuss] queueing discipline

[selen jia]

Hi Justin,

Sorry to bother you.
I am confused because tc manual is having many paarmeters to configure,
class , handle id etc.. but in OVS we have just rate or burst.
so how we will configure parent -child through OVS vsctl?

regards,
Selen



On Wed, Jul 4, 2012 at 12:32 PM, Justin Pettit <jpettit at nicira.com> wrote:

> That's what you're configuring, so OVS is taking care of the tc
> configuration.
>
> --Justin
>
>
> On Jul 3, 2012, at 11:54 PM, selen jia wrote:
>
> > 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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