For years, "MPLS vs SD-WAN" was a genuine, close debate. In 2026 it mostly isn't, for most companies, and it's worth understanding exactly why, because the exceptions matter as much as the general rule. What MPLS actually offered, and why it made sense once. MPLS is a dedicated, private networking technology that gives you predictable, reliable, high-quality connections between your sites, essentially your own private highway rather than the shared public internet. It made complete sense wh...