SASE, defined by Gartner, combines SD‑WAN with security services like ZTNA, CASB, and SWG to deliver unified, cloud-native protection and connectivity. Unlike legacy appliances that create a complex, time‑consuming, and inefficient environment, SASE simplifies operations through convergence. This comparison highlights how traditional tools—carrier WANs, WAN optimization, bandwidth aggregation, and multiple security products—contrast with modern SASE capabilities such as network as a service, global cloud security, and integrated access controls. SASE offers a streamlined, scalable, and secure alternative to outdated networking models.

Join for free to read