Code Wrench

Mar 6, 2026 · Backend Development

Why WebRTC Latency Isn’t About the API: Go, ICE, DTLS, and Scaling

This article breaks down the true bottlenecks of low‑latency WebRTC systems—network models, congestion control, memory layout, and concurrency scheduling—by examining the protocol stack, Go runtime, ICE state machine, DTLS/SRTP security, RTP/RTCP feedback, and practical high‑concurrency tuning strategies.