SASE provides design guidelines for unifying standalone networking and security tools into a single cloud-delivered service, enabling simpler, more flexible, and more reliable operations. Since Gartner introduced SASE in 2019, many vendors have rebranded their offerings, creating a mix of approaches. This eBook compares Gartner’s recommended single-vendor SASE with multi-vendor, portfolio-based, and appliance-driven alternatives. As organizations operate across physical sites and multiple clouds, the need for a truly converged, cloud-native SASE architecture becomes essential for managing distributed users, applications, and data.

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