Deep walkthrough of Erlang-RED from TADSummit, led by Gerrit Riessen (creator of Erlang-RED), with contributions from Vance Shipley (SigScale Global Inc.), Jonathan Eisenzopf (Talkmap), and Viacheslav Katsuba (Scalicon Inc.), hosted by Alan Quayle. The session demonstrates building a Diameter AAA authorization flow with visual state machines, unit testing, and documentation - making telecom protocols more accessible while leveraging Erlang/OTP’s concurrency and fault-tolerance.