OVS stands for Open vSwitch, which is a multilayer software switch developed by Nicira now governed by this community www.openvswitch.org
Open vSwitch is well suited to function as a virtual switch in VM environments. In addition to exposing standard control and visibility
interfaces to the virtual networking layer, it was designed to support distribution across multiple physical servers. Open vSwitch supports
multiple Linux-based virtualization technologies including Xen/XenServer, KVM, and VirtualBox. It is ported to Pica8® Series.