MP-BGP EVPN is a control protocol for VXLAN based on IETF RFC 7342. Prior to EVPN, VXLAN overlay networks operated using the flood-and-learn model. In this model, end-host information learning and VTEP discovery are both data-plane based, with no control protocol to distribute end-host reachability information among VTEPs. MP-BGP EVPN changes this model. It introduces control-plane learning for end hosts behind remote VTEPs. It provides control-plane and data-plane separation and a unified control plane for both Layer 2 and Layer 3 forwarding in a VXLAN overlay network.
I believe the answer is C as per:
https://www.cisco.com/c/en/us/products/collateral/switches/nexus-7000-series-switches/white-paper-c11-735015.pdf
upvoted 4 times
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