Recognize single-zone failure-domain risk inside a cloud region.
Go-live walkthrough for checkout What is the real reliability issue in this region diagram? All production resources in one zone Correct. The region may support multiple zones, but this workload is still tied to one failure domain. Backup target in same failure domain Correct. A backup or standby that cannot help during the same zone failure does not meet a zone-resilience goal. CDN at the edge Not the core issue. A CDN can improve delivery and absorb some traffic, but it cannot keep a single-zone origin database available. Monitoring screen Monitoring is useful, but detection is not redundancy. Alerts do…
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