Software-defined networking (SDN)

When you think about software networking, at its core, it has two basic functions: (1) send traffic from A to B as quickly and efficiently as possible, and (2) move traffic from A to B but NOT to X, Y, or Z. Software-Defined Networking (SDN) separates these two functions, allowing the hardware to perform the first task, while the second task of network policy enforcement is performed in software. This simple concept becomes a lot…