1. A method for migrating a service Virtual Machine (VM), comprising a VM managed element and its dependent elements including components providing a service, from a source host to a target host, the method comprising the steps of: (a) migrating the service VM during its execution by using an autonomic element including a sensor interface, and an effector interface for managing the migration of the service VM; (b) migrating policies managing the service VM in synchronization with the migrating of the service VM; and (c) resuming execution of the service VM under control of the policies migrated in step (b).