Virtual Machine Mobility Protocol for Overlay Networks

This document describes a virtual machine mobility protocol commonly used in data centers built with overlay-based network virtualization approach. It is based on using a Network Virtualization Authority (NVA)-Network Virtualization Edge (NVE) protocol to update Address Resolution Protocol (ARP) table or neighbor cache entries at the NVA and the source NVEs tunneling in-flight packets to the destination NVE after the virtual machine moves from source NVE to the destination NVE.