The document discusses advanced authentication patterns at the edge for microservices, emphasizing the transition from monoliths to microservices architectures. It highlights common challenges associated with authentication, such as teams reinventing the wheel and lack of visibility for security teams, and introduces the concept of a Kubernetes-native API gateway, specifically Gloo Edge, which offers benefits like centralized authentication and GitOps-friendly configuration. Gloo Edge is presented as an extensible API gateway built on Envoy Proxy that enables secure application connectivity and policy-based traffic management in dynamic microservices environments.
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