Smaller cable operators currently plotting their migration to an all-IP future may be swayed by the recent commitment to the RDK platform shown by South Korea’s Humax with the launch of new access devices including two new gateways. The move strengthens competition in the sector by elevating Humax to the top table alongside CommScope, Technicolor and Japan’s Kaon, and should accelerate innovation while keeping margins in trim. But the focus is entirely on cable and it does nothing to extend RDK’s credentials outside that sector among telcos, or even DTH operators as they migrate towards all-IP and in many cases edge away from satellite. Where it could make a difference is among second tier cable operators that might otherwise have…