Mission-critical multi-region architecture on Azure with Front Door for global traffic routing, paired App Service stamps in two regions, Cosmos DB with multi-region writes, Redis Cache per region, and Azure Monitor with Log Analytics for cross-region observability. Designed for 99.99% availability SLA. Fork this diagram on Diagrams.so to customize the number of regions or add active-passive failover for your mission-critical workload. Source: https://learn.microsoft.com/en-us/azure/architecture/