How JioHotstar Serves Personalized Ads at OTT Scale—Inside the Real‑Time Decision Engine
JioHotstar’s ad stack stitches together a distributed workflow that decides, fetches and injects personalized ads in under 100 ms for millions of concurrent streams. The post details the waterfall tiering, pacing algorithms and latency‑optimizing tricks that keep the viewer experience smooth while maximizing revenue. Understanding this flow shows how modern OTTs balance real‑time targeting with scale.