WEB RTC란 무엇인가?
Web RTC API
WebRTC is a free, open-source project providing web browsers and mobile applications with real-time communication via simple application programming interfaces.
Peer js 라이브러리
peer js == Web RTC Wrapper
PeerJS simplifies WebRTC peer-to-peer data, video, and audio calls.
PeerJS wraps the browser's WebRTC implementation to provide a complete, configurable, and easy-to-use peer-to-peer connection API. Equipped with nothing but an ID, a peer can create a P2P data or media stream connection to a remote peer.
Zoom Clone 서버에 설치
$ npm install peer
