[libvirt] [PATCH 0/7] Add support for setting QoS

Christian Benvenuti (benve) benve at cisco.com
Fri Jun 24 18:00:01 UTC 2011


> > 3) Similarly for macvtap <network>s, will the network-wide bandwidth
> > limiting be applied to the physical ethernet device? This would
> > have the side effect of including host traffic on that interface in
> > the bandwidth totals, but I don't see a way around it.
> With this patch as-is, shaping rules are applied only when creating
TAP
> devices. This mean only network types VIR_DOMAIN_NET_TYPE_NETWORK and
> VIR_DOMAIN_NET_TYPE_BRIDGE.
> >
> > 4) Finally on that topic, what about <network>s that have a pool of
> > physical ethernets to be used macvtap-style? Is there any way we can
> > do bandwidth limiting on an aggregated collection of network
interfaces?
> > Or
> > will attempts to configure this necessarily result in a "config not
> > supported" log message?
> Huh, I didn't know it is possible to have a pool of devices within one
> <network>. So in this case, this patch silently does nothing.

The IFB (Intermediate Functional Block) allows you to
configure aggregate QoS on multiple interfaces.

/Chris






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