The Neutron project provides network services in OpenStack. In native scenarios, virtual

The internal communication of a single node and the communication of virtual machines across nodes need to be supported by the virtual machine network inside the physical host.

Among them, the virtual network bridge (or virtual machine switch) is a kind of important homogeneous element in the virtual network, and carries the control

A series of flow tables issued by the level, such as

The virtual bridge is implemented by --- open source software. (Please fill in the English abbreviation)