Queue Magazine (part of ACM) has published my description of OpenFlow. It's basically "the rant I give at parties when someone asks me to explain OpenFlow and why it is important". I hope that people actually involved in OpenFlow standardization and development forgive me for my simplifications and possibly sloppy use of terminology but I think the article does a good job of explaining OF to people that aren't involved in networking:
OpenFlow: A Radical New Idea in Networking
I hope that OpenFlow is adopted widely. It has some cool things in it.
Enjoy.
Tom
You switched up your href and link contents there.