Message sent from Device to RI to establish an RI context. association. Message sent from RI to Device in response to a deviceHello message. Message sent from Device to RI to request registration. Message sent from RI to Device in response to a registrationRequest message. Message sent from Device to RI to request an RO. Message sent from RI to Device in response to a roRequest message. General PDU for sending domain-related requests from a Device to an RI. Message sent from RI to Device in response to a joinDomainRequest message. Message sent from RI to Device in response to a leaveDomainRequest message. Message used to trigger the device to initiate a Rights Object Acquisition Protocol. Message sent from Device to RI to request tokens Message sent from RI to Device to deliver tokens Message sent from Device to RI to report token consumption report