edge infrastructureadvancedReddit r/ExperiencedDevs thread with 400+ upvotesMAX
DNS Propagation Staleness in Multi-Region Failover : Stateful Operations on Stateless Infrastructure
GoRoute53EnvoyPrometheus
Problem Breakdown
The architectural tension is holding per-client state on infrastructure that explicitly promises statelessness and treats instances as disposable. Multi-region failover relies on DNS TTLs to redirect traffic after a region failure, but resolvers across the internet honor TTLs inconsistently : recursive resolvers cache…
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