Open vSwitch components in compute host
The Open vSwitch agent manages connectivity among virtual switches and supports interaction via virtual ports with other network components such as namespaces to provide network isolation, and Linux Bridges to support security groups. Integration Bridge in compute node supports interfaces to virtual machines. The Open vSwitch agent creates the following OVS bridge interfaces as per configuration options.
The Integration Bridge is usually named br-int and each instance is plugged into the it via a veth port. This carries traffic to and from the instance (VM) via a Linux Bridge.
Figure 3: OVS on a compute node ...
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