[dpdk-dev] vswitches performance comparison
Stephen Hemminger
stephen at networkplumber.org
Tue Jul 21 23:02:05 CEST 2015
On Wed, 22 Jul 2015 02:00:42 +0800
"Jun Xiao" <jun.xiao at cloudnetengine.com> wrote:
> After CloudNetEngine vswitch technical preview is launched, we received quite
> a few queries on vswitches performance comparison, but we cannot simply give a
> test result on our platform because performance varies on different H/Ws and
> different workloads, and that's why we encourage you to try the evaluation
> package to get real data on your setup.
>
> Anyway, we share a little more performance data on our H/W which is a comparison
> among native kernel OVS/OVS-DPDK/CNE vswitch under the most common workload:
> concurrent bi-directional TCP traffics cross hosts, and hope you can have a rough idea.
> http://www.cloudnetengine.com/weblog/2015/07/22/vswitches-performance-comparison/
>
> Thanks,
> Jun
Since the real bottleneck in most vswitches is per-packet overhead.
I would recommend running RFC-2544 tests for better data.
You probably need to use something like pktgen to get enough packets-per-second.
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