The Kubernetes Ingress resource connects external requests to services within a Kubernetes cluster, but its basic routing functionality prompts the need for vendor-specific Ingress controllers, resulting in maintenance challenges due to proprietary annotations. The Kubernetes Gateway API seeks to address these shortcomings by providing a standardized, vendor-neutral approach to ingress management. It includes GatewayClass, Gateway, and Route custom resource definitions (CRDs), which facilitate complex routing rules without extra annotations, thereby improving collaboration among DevOps teams and simplifying traffic routing for various protocols.
The Kubernetes Ingress resource provides basic routing through specified paths and hosts, but its limitations necessitate vendor-specific annotations, complicating maintenance among teams.
The Kubernetes Gateway API aims to standardize Ingress implementations, providing advanced routing functionality without the need for additional, proprietary annotations, simplifying collaboration.
The Gateway API consists of GatewayClass, Gateway, and Route CRDs, allowing for more complex routing rules for different protocols while being vendor-neutral and Kubernetes-native.
Managed by the Kubernetes SIG Network, the Gateway API facilitates the use of sophisticated ingress rules, offering a more streamlined approach to traffic management for developers.
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