How to implement third party asp.net events?

Question

JavaScript

There is a chat written in asp.net. At the moment, everything works as follows: Every couple of seconds there is a request to the server, in which I ask if someone wrote a message? I receive a response and fill in new data. Is it possible to do something so that if user A sends a message to user B, user B will automatically have some kind of event that indicates that new data has appeared?

Answer 1

web sockets

Answer 2

SignalR