A method includes receiving, by a processor, metrics relating to a plurality of program channels. The plurality of program channels are distributed via at least one multicast stream. The method also includes modifying, by the processor, the at least one multicast stream. The modifying is based at least on the received metrics, and the modifying changes which programs are distributed via the at least one multicast stream. The method also includes transmitting at least one program channel via the modified at least one multicast stream.