live migration
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- moving a virtual machine, while powered on, from one physical system to another without interruption of the service it provides.
Versatile Systems - Cite This Source - This Definition - The operation of moving a virtual machine, while powered on, from a host OS to another host OS, for maintenance or server consolidation purposes.
virtualization.info - Cite This Source - This Definition - A technique for moving a running virtual machine to another physical host, without stopping it or the services running on it.
Xen.org - Cite This Source - This Definition - live backup, Migration, P2V (Physical to Virtual) migration, relocation, scalability, shadow pagetables, V2P (Virtual to Physical) migration, V2V (Virtual to Virtual) migration