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Azure Architecture Patterns

Reference architectures for deploying Nimbus on Microsoft Azure — from single-region VM scale sets to multi-region active-active topologies with Front Door and Cosmos DB.

1

Single-Region Baseline

Virtual Machine Scale Sets behind Azure Load Balancer, Azure SQL managed instance, Key Vault for secrets, and Blob Storage for payload CDN offload.

2

Multi-Region Active-Active

Azure Front Door global load balancing, Cosmos DB multi-master for session state, geo-redundant Storage Accounts, and Traffic Manager failover.

3

Containerized on AKS

Azure Kubernetes Service with cluster autoscaler, Azure Container Registry for private images, and Application Gateway Ingress Controller for layer-7 routing.

4

Serverless Event Pipeline

Azure Functions consumption plan, Event Hubs for telemetry ingestion, Cosmos DB change feed triggers, and Application Insights for distributed tracing.

Security Baseline

  • ✓Managed identities for all Azure resources — no connection strings in config.
  • ✓Private Endpoints for SQL, Storage, and Key Vault — no public exposure.
  • ✓Azure Policy for compliance guardrails and Defender for Cloud continuous assessment.

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