Among other features, it consolidates significant updates to ASP.NET Core, including keep-alive timeout for WebSockets, support for Keyed DI services in middleware, and improvements to SignalR ...

SignalR is an open source library written in .Net that simplifies the exchange of data between a web browser and a web server using WebSockets as a communication protocol. This article presents an ...

Because SignalR uses WebSockets, each connection is persistent. There’s no setup and teardown associated with a message, so it can be used in near real-time.