In an OpenFlow network, the various control plane functions of an L2 switch — Spanning Tree Protocol, MAC address learning, etc. — are determined by server software rather than switch firmware.

Switch Light could be key in enabling OpenFlow startups like Big Switch maintain market momentum as incumbent vendors Cisco, IBM, HP and others ready the “Daylight” open source controller ...

Providing control and applications for NoviWare’s dataplane, Lumina’s SDN Controller provides OpenFlow control to the data plane, while working with the network’s legacy routing software to ...