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Reference Architecture for Highly Available Multi-Region Azure Kubernetes Service (AKS)

rgarofalo's avatar
rgarofalo
Icon for Microsoft rankMicrosoft
Feb 03, 2026

This article walks through a reference architecture for running Azure Kubernetes Service (AKS) across multiple regions with high availability in mind. It focuses on practical design choices, explains where complexity comes from, and highlights the trade-offs architects need to consider when building resilient Kubernetes platforms on Azure.

Introduction Cloud-native applications often support critical business functions and are expected to stay available even when parts of the platform fail. Azure Kubernetes Service (AKS) already prov...
Sample Architecture of a multi-region AKS installation
Updated Feb 03, 2026
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Vidhyasagarb's avatar
Vidhyasagarb
Copper Contributor
Feb 05, 2026

rgarofalo​ - Thank you for the wonderful document. Wanted to check on couple of points.
1. how do you see multiclustering service through Fleet management, deploying the service across the cluster, or region specific based on the tags.
2. adding to above, how managed namespace can help in active/active RBAC model.