CPC Subgroup
H04N 21/6581 Full Title
Selective content distribution, e.g. interactive television or video on demand [VOD] (real-time bi-directional transmission of motion video data H04N7/14 ) > Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client ; Communication details between server and client > Transmission of management data between client and server > Transmission by the client directed to the server