You're working with your CEO to plan timing and budgeting options for a network upgrade at your company's home office in preparation for a partial cloud migration next year. Due to the needed flexibility in anticipation of future changes, network configuration and management are being abstracted to a software$-$based controller, and this entails a sizable price tag.

CEO:

What kind of software can do all that?

You:

Different vendors call it different things, but generally we use a controller or for this purpose.