KB ID 0001752 SD-WAN? What is SD-WAN? A (Software Defined Wide Area Network) is a solution that unlike previous WAN architectures, (the type you typically see on a Visio diagram with maybe some MPLS, leased lines, and maybe some Optical DWDM etc. in them). SD-WAN gives you a more ‘Layered’ approach, that directs USERS to APPLICATIONS based on POLICIES.  For example, let’s say your main business CRM is a SaaS solution like SalesForce, it’s secured by https, it’s trusted, instead of sending that traffic from all your sites to the Datacenter (where your corporate firewall...