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CDN Request Routing

Follow one object from DNS and anycast through edge cache hit, shielded miss, and fleet-wide purge.

BrowserAthensEdge PoPAthens or Frankfurtdns answer -> edge serviceShieldFrankfurtOriginDublin
Step 1 / 5DNS points the hostname at the CDN service

The browser first learns that the site is fronted by a CDN rather than by the origin directly.

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