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Edge / CDN request path

Full page · Paths

Walkthrough

Cloudflare anycast → Unimog

Published Cloudflare path: anycast to a nearby PoP, then ECMP → XDP l4drop → Unimog → service/origin. Cross-link `/architectures/cloudflare/`.

Step 1 / 3
anycast VIPClientCF PoP (anycast)UnimogXDP l4dropOrigin (proxied)

Same service IPs announced from many cities; BGP delivers the client to a nearby PoP. Not a claim about every CDN.

Walkthrough

Netflix Open Connect split plane

Compare: control/API in AWS (Playback + Steering) vs bytes from OCA. Embedded OCAs serve only BGP-announced prefixes — not classic anycast CDN language.

Step 1 / 3
authOCA URLsPlayerPlayback Apps (AWS)Steeringcontrol planeEmbedded OCAEncoded media

Player talks to Playback Apps for auth/licensing; Steering returns ranked OCA URLs. Control plane ≠ byte plane.

Walkthrough

CloudFront product path vs Fastly PoP

Side-by-side product lenses: AWS CloudFront viewer→edge→origin docs vs Fastly PoP/routing (+ CPR path reselection research). No invented mash-up topology.

Step 1 / 3
to edgemiss → originViewerCloudFront edgeAWS productFastly PoPOrigin

CloudFront teaching path: viewer hits an edge location; cache hit serves locally; miss fetches origin per AWS how-it-works.