As expected, the company is promoting a network architecture that uses OpenFlow to program Ethernet switches. As has been fashionable in SDN circles lately, Big Switch is also espousing the idea of a hybrid network — one where OpenFlow-enabled gear is installed next to traditional routers and switches.

via Big Switch Girds for SDN Battle – Telecom News Analysis – Light Reading Service Provider IT.

Service providers would prefer to see the northbound and southbound interfaces be open, Griliches says. That’s because a groundswell of applications is expected to emerge now that SDN has become a hot and venture-fundable area, and no carrier wants to suddenly find out its applications don’t work on a particular vendor’s gear.