Some network vendors have been positioning SD WAN vs. MPLS as the ultimate solution to any network issue. They’re selling SD WAN, or software-defined wide area network, as a revolutionary box that ...
MPLS also offered a way to “cap-and-grow” legacy network technology, in particular, Frame Relay, ATM and SONET. This allowed some SPs to upsell an enterprise offering of point-to-point Frame Relay ...