Why it matters

Geo-routing shapes latency. Understanding shapes design.

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The architecture

DNS returns nearest region.

Anycast IP announced globally.

CDN edge for cached parts.

Geo-routing techniquesGeoDNSper-region resolutionAnycastsame IP globallyCDN edgecached static + promptCloudflare + Fastly + AWS Global Accelerator + GCP GLB support
Geo-routing LLM.
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How it works end to end

GeoDNS (Route 53 + Cloudflare).

Anycast (AWS Global Accelerator).

CDN edge (Cloudflare Workers).