Templates / flowchart

Multi-region failover

Active-passive regions with a health-check-driven DNS failover path.

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flowchart

flowchart TD
    dns[Global DNS / traffic manager] --> primary[Primary region]
    dns -.failover.-> secondary[Secondary region]
    health[Health checks] -->|primary healthy| dns
    health -->|primary down| failover[Trigger failover]
    failover --> dns
    primary --> db1[(Primary DB)]
    secondary --> db2[(Read replica)]
    db1 -.async replication.-> db2

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