The Akamai white paper explores moving beyond SD-WAN by integrating Zero Trust security and using the Internet as the corporate WAN. It highlights SD-WAN’s benefits—flexible link control, manageability, and service insertion—but notes its limits in securing modern distributed networks. Zero Trust assumes no implicit trust, enforcing strict authentication and granular access to applications. Combining SD-WAN with cloud-based Identity-Aware Proxies (IAP) and Secure Internet Gateways (SIG) enables secure, scalable, and efficient enterprise networks. This approach reduces complexity, improves performance, and supports a transition to fully Internet-based architectures.

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