参考資料

Fanout on Fastly Developer Hub

https://developer.fastly.com/learning/concepts/real-time-messaging/fanout

Fanout Documentation

https://docs.fanout.io/

Pushpin - Open Source GRIP Proxy

https://pushpin.org/

GRIP - Generic Realtime Intermediary Protocol

https://pushpin.org/docs/protocols/grip/

WebSocket-over-HTTP Protocol

https://pushpin.org/docs/protocols/websocket-over-http/

WebSocket / Fanout demo

https://developer.fastly.com/solutions/demos/realtimeqa-websockets/