An increasing number of businesses are switching to a Software-Defined Wide Area Network (SD-WAN), which is a unique approach to wide-area networking because it combines traditional WAN technologies with the Internet and provides more visibility within an organisation. The move to SD-WAN is largely driven by distributed enterprises with multiple remote offices, which are increasingly using business-critical, cloud-based applications and tools that are migrating away from performance-inhibited wide-area networks (WAN). According to Louis Kirstein, DSM Expert for Connectivity Services at T-Systems South Africa, the visibility provided by an SD-WAN enables network administrators to oversee the network and monitor traffic for inconsistencies. From a security perspective, this functionality all...