Software-defined wide area networks (SD-WAN) have become a staple for large organizations. But despite having a smaller presence and reach, small and medium-sized businesses have also started to take advantage of this technology. SMBs have started following in the footsteps of larger enterprises by moving their data and becoming more reliant on public clouds and software as a service (SaaS) As SMBs started to see the benefits of the technology, they began to look at ways to improve their experiences with those platforms.
Source: https://www.helpnetsecurity.com/2021/07/07/right-sd-wan/