The networking industry is going through a transformation. With increased focus and shift of enterprises towards the cloud and its continued hybridization, the enterprise networks of today are being perceived as a value-creator for achieving the business differentiation and a sustainable competitive advantage in the market. To enable this, enterprise networks have to be more programmable, agile and software-driven. Enter Software-defined Networking (SDN), a concept that brings the flexibility and economy of software to data center hardware.