Architecture of the week · Week 35, 2026
HA Multi-Region Web App
Active-active web application across two regions with Front Door global load balancing and geo-replicated SQL.
Azure9 resourcesWeb Apps · advanced
Why this architecture works
- Front Door performs global anycast routing with health probes, failing over between regions in seconds
- Active-active regions double as capacity headroom instead of paying for idle standby
- Geo-replicated SQL keeps RPO near zero and enables regional read scale-out
- Shared Redis session cache keeps user sessions sticky-free so any region can serve any request
- Centralized Log Analytics workspace correlates telemetry from both regions in one place
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Previously featured
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