GKE Enterprise Hybrid Environment Reference Architecture

This technical report provides a comprehensive reference architecture for deploying Google Kubernetes Engine (GKE) Enterprise in a hybrid environment. It outlines the design prerequisites and considerations necessary for organizations that wish to operate multiple Kubernetes clusters across on-premises and cloud environments. The document details the architecture, components, and reference deployments involved in setting up GKE Enterprise, emphasizing the importance of consistent configuration, security, and management. It explains how GKE Enterprise can facilitate a unified cloud operating model, enabling organizations to modernize applications and infrastructure while managing workloads effectively. The report also discusses the roles of various components, such as Google Cloud services, load balancing solutions, and the Connect gateway, in ensuring secure communication and operational consistency. Additionally, it highlights the significance of having separate production and staging environments for testing infrastructure changes, thereby enhancing deployment reliability and reducing operational complexity.