Real-Time Communications: WebRTC in Practice
Real-Time Communications: WebRTC in Practice Real-time communications in the browser have become common. WebRTC lets browsers and apps send audio, video, and data directly. The core pieces are getUserMedia for cameras and mics, RTCPeerConnection for media paths, and RTCDataChannel for chat or file transfer. Signaling, the exchange of offers and ICE candidates, happens outside WebRTC, so you need a simple signaling service to exchange offers, answers, and ICE candidates. In practice, you decide how the media travels. A direct peer path works for small, one-to-one calls. For larger groups or when you want to save bandwidth, a media server such as an SFU helps distribute streams. Security and privacy also matter: use encrypted connections and explain permissions clearly to users. ...