Curious what the Openflow stuff is you are hearing all over? Check Out Ivan Pepelnjak's links to recorded versions of OPENFLOW AND SOFTWARE DEFINED NETWORKING 101 type introduction session on the technology causing all the buzz. Interesting stuff, even if I am very very weary of taking the "brains" out of my switches and placing it in a controller or software situation, if it works well it could very well change the hole concept of networking as we know it.