It's probably too early to discuss the northbound interface. I think Colin Dixon, a researcher at IBM, had the right idea when he said, "We should build it first and that'll become the de facto ...

(Above: Dan Pitt marvels at the mention of SDN in an airplane-magazine ad.) The Open Networking Foundation has decided to research the northbound interface for software-defined networking (SDN), a ...

The Open Networking Foundation, a user-driven organization defining and promoting OpenFlow-based software-defined networks, has established a working group to define a “northbound” API between SDN ...