With the increasing use of cloud services, mobile devices, and IoT technology, business leaders require an infrastructure that is able to keep up. To address these challenges many businesses are looking to SD WAN technology for assistance. SD-WAN technology eases connectivity and cuts OPEX by removing specialist IT expertise at the branch level. It streamlines the process of onboarding new sites and reduces bandwidth costs by using one transport method and the ability to use policy-based routing (PbR). You can skip to the best resources if you want to what sd wan.