SD-WAN vs MPLS: When Each Wins in 2026
SD-WAN and MPLS are not pure substitutes. The technical differences, cost story without the marketing spin, when MPLS still wins, and the hybrid pattern most enterprises end up with.
SD-WAN and MPLS are not pure substitutes. The technical differences, cost story without the marketing spin, when MPLS still wins, and the hybrid pattern most enterprises end up with.
MP-BGP (RFC 4760) is what lets a single BGP session carry IPv6, VPNv4, EVPN, and more. The AFI/SAFI model, route distinguishers, and how modern data center fabrics use MP-BGP for everything.