RTMP: web video innovation or Web 1.0 hack… how did we get to now?
summary
RTMP originates from a 1999 prototype and is released in July 2002, designed for Flash-heavy browsers when over 98% of browsers had Flash installed and ~248 million people were online. It prioritizes audio/video, multiplexes five message types, uses compact chunk headers (one byte for the first 64 streams) and a 3‑byte timestamp later extended to a fourth byte so streams exceed seven weeks. It runs over TCP/SSL/HTTP to traverse firewalls and still drives the majority of live web video today with half a billion IP cameras online.
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