参考资料

[wozitaoran]

原理

webrtc 协议 from mozilla开发者网站
https://developer.mozilla.org/zh-CN/docs/Web/API/WebRTC_API/Protocols
WebRTC下的网络连接: STUN, TURN, ICE, TCP
rainzhaojy/blogs#4

Servers for WebRTC: It is not all Peer to Peer (Kranky Geek WebRTC Brazil 2016)
https://www.youtube.com/watch?v=Y1mx7cx6ckI

TURN_SERVER_OVERRIDE = [
  {
    "urls": [
      "turn:hostnameForYourTurnServer:19305?transport=udp",
      "turn:hostnameForYourTurnServer:19305?transport=tcp"
    ],
    "username": "TurnServerUsername",
    "credential": "TurnServerCredentials"
  },
  {
    "urls": [
      "stun:hostnameForYourStunServer:19302"
    ]
  }
]

搭建

开源stun和turn服务器
https://github.com/coturn/
webrtc学习: 部署stun和turn服务器
http://www.cnblogs.com/lingdhox/p/4209659.html
自建APPRtc
http://www.jianshu.com/p/c55ecf5a3fcf