EVS has the following components:
EVS manager
EVS controller
EVS clients
EVS nodes
The following figure shows the components of EVS.
Figure 5-3 EVS Components
In this figure, the EVS manager and the EVS controller are two separate hosts. The EVS nodes EVS-Node1, EVS-Node2, and EVS-Node3 are three hosts whose VNICs or zone's VNIC anet resources connect to an elastic virtual switch.