Architecture
Multi-Region Failover: What Actually Breaks in Production
Multi-region failover looks simple on an architecture diagram — the reality is replication lag, split-brain writes and DNS caches that refuse to cooperate.
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Multi-region failover looks simple on an architecture diagram — the reality is replication lag, split-brain writes and DNS caches that refuse to cooperate.
Design cell-based architectures that isolate failures to small blast radii, allow independent scaling and stop cascading outages across distributed systems.