
Cloudflare FL2 in Rust: what sysadmins need to know (latency −10 ms, +25% throughput, smoother rollouts)
Cloudflare has rebuilt the “brain” of its edge from the legacy FL1 (NGINX/OpenResty/LuaJIT) to FL2 on Rust + Oxy. The new stack is modular, typed, and hot-reloadable, delivering ~10 ms