Nexus 1000v components
N1KV consists of VSMs and VEMs. While VEMs are software elements that reside inside the hypervisor, running as a part of the VMware ESXi kernel, the VSM is deployed as a virtual appliance. Have a look at the following figure for more details:
The highlighted components in the preceding figure are explained in the following sections.
The Virtual Ethernet Module
The VEM runs as a part of the VMware ESXi kernel. It uses the VMware vNetwork Distributed Switch (vDS) API to provide advanced networking capabilities to VMs.
The VEM provides advanced networking functions, such as Quality of Service (QoS), security features, and monitoring features by taking configuration information from the VSM.
The Virtual Supervisor Module
Multiple VEMs create a single logical switch layer to the VSM. The VSM maintains configuration and pushes down the configuration to the VEMs. The administrator has the ability to define configurations on all VEMs being managed by the VSM from a single interface...
