SDNs come to the branch office, with risks

Companies have been implementing software-defined networking (SDN) in an effort to make their networks more responsive to cloud services that require flexibility to accommodate scaling traffic loads. Now CIOs hoping to shave dollars off of their costly networking bills are looking to extend SDN capabilities to their wide area networks (WANs).
WANs are telecommunications or computer networks that allow to relay data across remote offices. SDNs allow network administrators to use software to prog