TLDR Tech / DevOps
Improving Smart Tiered Cache for public cloud regions (7 minute read)
Cloudflare's Smart Tiered Cache for Public Cloud Regions solves a major latency issue where traffic was unnecessarily routed across continents (like from Asia to Chicago and back to Singapore) when origins sat behind anycast IPs from providers like AWS, GCP, Azure, and Oracle Cloud. The free feature, available across all Cloudflare plans, lets customers provide a cloud region hint so the system can automatically select optimal cache tiers even when origin IPs appear to be in multiple locations simultaneously.
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