[ovs-discuss] vhost_net and virtio for OVS

[Gurucharan Shetty]

On Tue, Oct 22, 2013 at 2:45 PM, Morgan Yang <Morgan.Yang at radisys.com> wrote:
> Hi All:
>
>
>
> I’m currently using KVM with OVS. My VNIC’s are set to “virtio”. I have read
> about how “vhost_net” from QEMU/KVM improves performance and reduces latency
> by moving the VNET interface down to the kernel level.
>
>
>
> https://access.redhat.com/site/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Virtualization_Tuning_and_Optimization_Guide/sect-Virtualization_Tuning_Optimization_Guide-Networking-Virtio_and_vhostnet.html
>
>
>
> Has anyone tried this with OVS?
Yes. It helps big.
You can look up a thread by the name
"network bandwidth in Openstack when using OVS+VLAN" for more details.

>
>
>
> Much Thanks
>
> Morgan Yang
>
>
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