David Zhao - LiveKit Blog

A Tale of Two Protocols: Comparing WebRTC against HLS for Live Streaming

Do you remember the last time you watched a WWDC keynote? Did you watch it live? Did you read tweets about something you hadn't seen yet and wonder why? The answer is that Apple live streams these events using HLS, just like most other streaming video services, including those streaming

How We Built a Globally Distributed Mesh Network to Scale WebRTC

Any time you’ve used Zoom, Discord, or Twitter Spaces, you’ve interacted with a media server. A media server is responsible for allowing clients to do things like exchange camera or microphone data in real-time. It behaves quite differently from say, an HTTP server. A media server hosts sessions,

LiveKit Community Day

The idea for LiveKit came when David and I tried adding real-time video to a side project. There just wasn't an open source, end-to-end stack that made working with WebRTC simple. Since our launch last July, the outpouring of love from builders and amazing projects using LiveKit has been equal

Bringing Zoom's end-to-end optimizations to WebRTC

When we started LiveKit [https://github.com/livekit/livekit], our aim was to build an end-to-end, open source WebRTC stack accessible to all. After 20 months and nearly 1000 commits, we're releasing version 1.0 of LiveKit. This also includes 1.0 releases for these client SDKs: * JS 1.0

An Introduction to WebRTC Simulcast

Everything you wanted to know about simulcast, but were afraid to ask Simulcast [https://datatracker.ietf.org/doc/rfc8853/] is one of the coolest features of WebRTC, allowing WebRTC conferences to scale despite participants with unpredictable network connectivity. In this post, we’ll dive into simulcast and explore how it