Network World has 11 really good tips to prepare for SDN in the enterprise or any sizeable organization. And while they are at it, they also give a couple of good recommendations regarding the right role models (for one, Goldman Sachs seem to be one, but also The Pittsburgh Medical Center, just to name a few).

Spending a bit of time running through the vendors that excel in the market (e.g. Vello, vellosystems.com with OpenFlow 1.4 for optical enterprise SDNs) will make a lot of sense if you are planning to bring your enterprise up to date as an IT director, CIO or CTO.