I'd have to search for it too.  Linux QoS isn't my area.

On Wed, Dec 18, 2013 at 11:16:58PM +0500, Sadia Bashir wrote:
> Thank you so much Ben, but I am new to this ovs QoS stuff, could you please
> refer me to some Linux-Kernel based QoS material I should start from? I
> googled it but I am not getting it clearly.
> 
> Thank you!
> 
> 
> On Tue, Dec 17, 2013 at 10:40 PM, Ben Pfaff <[email protected]> wrote:
> 
> > On Tue, Dec 17, 2013 at 03:49:13PM +0500, Sadia Bashir wrote:
> > > I am working on ovs, queues and pox-controller. I have created queues on
> > > the switch and configured them for max-rate and min-rate. I en-queue
> > > packets on certain queues but I want to give different delay to packets
> > > passing through different queues, like if it is queue 1, than there
> > should
> > > be a delay of 10ms, if it is queue 2 than 20ms and so on. For adding
> > these
> > > delays, I don't want my ovs to talk to controller. Do anyone has got any
> > > idea how is it achievable while staying at OVS.
> >
> > Q: I'd like to take advantage of some QoS feature that Open vSwitch
> >    doesn't yet support.  How do I do that?
> >
> > A: Open vSwitch does not implement QoS itself.  Instead, it can
> >    configure some, but not all, of the QoS features built into the
> >    Linux kernel.  If you need some QoS feature that OVS cannot
> >    configure itself, then the first step is to figure out whether
> >    Linux QoS supports that feature.  If it does, then you can submit a
> >    patch to support Open vSwitch configuration for that feature, or
> >    you can use "tc" directly to configure the feature in Linux.  (If
> >    Linux QoS doesn't support the feature you want, then first you have
> >    to add that support to Linux.)
> >
> 
> 
> 
> --
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