[ovs-discuss] Performance of OVS switch

Justin Pettit jpettit at nicira.com
Fri Mar 20 15:25:27 UTC 2015

It's obviously dependent on many factors, but on reasonable hardware, I'd expect gigabits per second. 


> On Mar 20, 2015, at 6:02 AM, Radhakrishnan, Sharmila <sharmila.radhakrishnan at intel.com> wrote:
> Hi All,
> I wanted to understand, what is the maximum performance you can get with OVS switch.
> I have connected 2 VMs to an OVS switch using Tap interface which are on the same network. When I sent packets(using PcktGen application) from 1 VM to another, I get very low performance. 
> For 64byte packet size, the throughput is ~5Mbps, 128B packet size it is 9Mbps and 254b packet size it is 16Mbps. 
> What is the maximum throughput that can be achieved with an OVS switch.
> Thanks in advance.
> Regards,
> Sharmila
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