Software defined networking (SDN) is becoming a major driver for a number of next generation technologies to power the communications systems and networks of tomorrow. Many of these projects are being developed as open source collaborations between the companies creating and using networking solutions. But what exactly is software defined networking? And what are some of the related terms and projects you should know about? To help provide some answers, Opensource.com has created a new resource with a number of frequently asked questions and curated links back to some of our best articles for learning more about modern networking technologies.