COMMUNICATION DEVICE, AND LAYER-2 STATUS CONTROL METHOD

摘要

A communication apparatus including a function configured to perform data transmission by multicasting to a plurality of apparatuses by radio communication, including: a request reception unit configured to receive a join request from an apparatus that desires multicast data reception from the communication apparatus; a match control unit configured to perform control for matching values of a state variable of layer 2 in the radio communication between the communication apparatus and the apparatus that transmits the join request in response to receiving the join request by the request reception unit.