As businesses across the world become more geographically diverse and move toward an increasingly hybrid IT environment, legacy infrastructure is struggling to keep up. With more data flowing over enterprise networks from multiple sources, the demand for software-defined wide area network (SD-WAN) technology is growing exponentially.

A report from IDC predicted that this technology will become a $6 billion industry by 2020, and that 75 percent of U.S. enterprises will implement SD-WAN within two years.