Product : Red Hat, RHV/4.0, RHV
Feature : Adv. Operation Management, General, Management
Content Owner:  Roman Macek
Yes, live migration is fully supported with unlimited concurrent migrations (depending only on available resources on other hosts and network speed). RHV 4.0 adds abilities to use compression and auto-convergence to complete migration of heavier workloads faster.
(NEW) Advanced Live Migration Policies - virtualization admistrator can tune the migration policy, greatly reducing both the time live migration time as well as the actual cutover time.