[ovirt-users] Migration from oVirt to RHEV

Hi there. I currently have a oVirt environment and we are disposed to support the development of the project so decided to purchase the Subscriptions for RHEV. In order to do a smooth migration what is the best way ? Can I add a RHEV Node to oVirt Engine and live migrate Virtual Machines then disconnect the RHEV Node and connect it to RHEV engine ? Or the contrary, bring up a RHEV Engine up, disconnect oVirt-Nodes and connect them to the RHEV Engine, than migrate the Virtual Machines to RHEV Host. In the case none of the above is possible how can I migrate my oVirt running VMs to RHEV enviroment without much hassle ? Thanks Fernando