Yes.
With some optimizations (e.g. [1]), the CPU is not a big issue any more for L2 & provider networks (flat/vlan). However, for L3, it is still the problem. The ongoing optimizations [2] & [3] are supposed to solve the problem.
[1] https://github.com/openvswitch/ovs/commit/c4f3269632ba321bef50cf5f44165a54895f7cc0
[2] http://openvswitch.org/pipermail/dev/2016-June/073524.html
[3] http://openvswitch.org/pipermail/dev/2016-June/073813.html
Yes.
With some optimizations (e.g. [1]), the CPU is not a big issue any more for L2 & provider networks (flat/vlan). However, for L3, it is still the problem. The ongoing optimizations [2] & [3] are supposed to solve the problem.
[1] https:/ /github. com/openvswitch /ovs/commit/ c4f3269632ba321 bef50cf5f44165a 54895f7cc0
[2] http:// openvswitch. org/pipermail/ dev/2016- June/073524. html
[3] http:// openvswitch. org/pipermail/ dev/2016- June/073813. html