While EC2's hyppervisor, Xen, does support live migration, EC2 has no support for it. With that said, you can "migrate" EBS-backed instances by start/stopping

While EC2's hyppervisor, Xen, does support live migration, EC2 has no support for it. With that said, you can "migrate" EBS-backed instances by start/stopping them which (may) place them on different hardware Indeed, if you are large enough, you'll occasionally get emails from Amazon directing you to do just that due to scheduled maintenance on the physical machines.