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)

In the operation analysis, the administrator can know the number of devices, resource utilization, capacity, tenant resources, alarms, etC. of the data center in real time according to which of the following content, through the overallKPIsand health to discover and solve problems in a timely manner to support operations?

In Huawei's disaster recovery solution, aboutVRGdescription, which of the following is correct?

Virtualization technology can virtualize one server into multiple virtual machines, thereby improving performance

Fusioncomputevirtual machines in andDVSrelationship, the correct.