Websocket vs. HTTP/2
https://www.infoq.com/articles/websocket-and-http2-coexist/
| HTTP/2 | WebSocket | |
|---|---|---|
| Header | Compressed (HPACK) | None |
| Binary | YES | Binary or Textual |
| Multiplexing | YES | YES |
| Prioritization | YES | NO |
| Compression | YES | YES |
| Direction | Client/Server + Server Push | Bidirectional |
| Full-Duplex | YES | YES |
is HTTP/2 a replacement for push technologies such as WebSocket or SSE? NO
Server Push vs Websocket Bidirectional communication
- Server push only push data down to the client cache
- i.e. the client application does not get notification for the event