Guide to SDN, SD-WAN, NFV & VNF

A deluge of buzzwords in the field of the networking industry often creates confusion for the ordinary reader. So many acronyms, similar to one another, and even the core technologies behind each one of these acronyms builds into another, with overlapping themes, which adds further confusion into the picture. It becomes difficult to understand their working and functionalities in a clear and distinct way.
Network Visibility With SD-WAN

Software-Defined Wide Area Networking (SD-WAN) is fast becoming one of the most popular network technologies for enterprises. Due to its quality of services, enhanced application performance, minimal architectural complexity, simple set-up, and reduced cost, SD-WAN is increasingly popular and rapidly transforming network technologies. According to Kentik’s data collection reports, it is expected that 95% of enterprises will have moved from traditional WAN to SD-WAN architectures within 24 months, due to the vital factors mentioned below.