nova/releasenotes/notes/sriov-ovs-offload-1c3fe79e8...

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---
features:
- |
Adds support to OVS vif type with direct port (SR-IOV).
In order to use this OVS acceleration mode, ``openvswitch`` 2.8.0
and 'Linux Kernel' 4.8 are required. This feature allows control of
an SR-IOV virtual function (VF) via OpenFlow control plane and gain
improved performance of 'Open vSwitch'. Please note that in Pike
release we can't differentiate between SR-IOV hardware and OVS offloaded
on the same host. This limitation should be resolved when the
enable-sriov-nic-features will be completed.
Until then operators can use host aggregates to ensure that they can
schedule instances on specific hosts based on hardware.