{
  "@context": "https://schema.org",
  "@type": "Dataset",
  "name": "Failover API",
  "dateModified": "2026-06-03T04:53:07.914Z",
  "license": "CC-BY-4.0",
  "endpoint": "/dr/failover",
  "modes": [
    "automatic (health-check < 30s)",
    "manual (SRE-triggered)",
    "drill (no-op simulate)"
  ],
  "dns": "Route53 weighted + Cloudflare Load Balancer (60s TTL, geo-steering)",
  "state": "global session table replicated DynamoDB Global Tables (single-digit ms)",
  "rollback": "automated within 5min if error-rate > 2% post-cutover",
  "lastFailoverActual": "2026-02-14 13:42 UTC (Singapore AZ-b power event) — RTO 6m38s"
}