A method for conducting Internet domain name service to users connected to the Internet comprises an automated procedure for transferring Internet domain name service from a domain name owner to a domain name manager. The method includes embedding, at a SAS initiator, a ZONE UNLOCK request within a Serial Management Protocol ZONE ACTIVATE command. A heating conducting step drives one of the heaters that has a higher heating efficiency. Finally the selector 106 of the motion estimation unit selects the motion vector by comparing the start motion vector with the update motion vector.