What is WebRTC and How does it work?

https://bloggeek.me/how-webrtc-works/

https://www.videosdk.live/blog/webrtc

https://medium.com/agora-io/how-does-webrtc-work-996748603141

https://antmedia.io/webrtc-signaling-servers-everything-you-need-to-know/

https://www.digitalsamba.com/blog/what-is-webrtc-signalling

https://webrtcforthecurious.com/docs/02-signaling/

https://www.wowza.com/blog/webrtc-signaling-servers

https://sheerbittech.medium.com/webrtc-signaling-server-everything-you-need-to-know-569f6b5c7317

WebRTC Server: What is it exactly?

https://bloggeek.me/webrtc-server

WebRTC TURN: Why you NEED it and when you DON’T need it

https://bloggeek.me/webrtc-turn

https://www.100ms.live/blog/webrtc-turn-server

Routing

https://bloggeek.me/webrtcglossary/routing

SFU (Selective Forwarding Unit)

https://bloggeek.me/webrtcglossary/sfu

WebRTC Architecture

https://www.digitalsamba.com/blog/p2p-sfu-and-mcu-webrtc-architectures-explained

https://medium.com/@toshvelaga/webrtc-architectures-mesh-mcu-and-sfu-12c502274d7

https://medium.com/securemeeting/webrtc-architecture-basics-p2p-sfu-mcu-and-hybrid-approaches-6e7d77a46a66