great video! one question: what are the reasons of suggesting rabbit MQ as the most suitable tool for broadcasting?

It's best video i learn how web socket scale up and it's different aproach thank you!!

How can I send messages to specific users? (example with rabbit)

👍😎👍 picasso of painting arrows

But if the websocket server didn't respond to ping, it won't respond to SSE either unless its two different servers (services)

Are you a frontend dev or full stack?