SMRTR ProgrammingMay 10, 2026lobste.rs

WebRTC is the Problem

SMRTR summary

A veteran WebRTC engineer who built SFUs at both Twitch and Discord argues that OpenAI made a mistake using WebRTC for Voice AI. WebRTC's aggressive packet dropping, lack of buffering, 8+ RTT connection setup, and port management nightmares make it a poor fit. QUIC, with its connection IDs, stateless load balancing via QUIC-LB, and anycast routing, solves nearly every problem WebRTC creates.

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