[ovs-dev] Question about DPDK + OVS in high level

Ben Pfaff blp at nicira.com
Tue Aug 25 22:00:18 UTC 2015

On Tue, Aug 25, 2015 at 05:48:17PM -0400, Junguk Cho wrote:
> My first question is how DPDK works with OVS.
> Since OVS has two tables in user space and kernel space, the second packet
> is matched in kernel tables after one packet is missed and controller
> inserts correct flow.
> In this case, DPDK is not very effective.
> Or with DPDK, entire kernel table is not used?

With DPDK, the kernel is not used.

> Does DPDK with OVS implement tunneling like GRE?

Yes, it is documented in README-native-tunneling.md.

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