ByteDance Dali Intelligent Technology Team

Jun 18, 2021 · Backend Development

Architecture and Signaling Design for Real-Time Audio/Video Tutoring Services

This article explores the architectural design and signaling mechanisms behind a real-time audio/video tutoring service built for smart desk lamps, detailing the three-layer RTC middleware, classroom abstraction, interactive signaling workflows, and scalable extensions from one-on-one sessions to large virtual classrooms.