SignalR Messaging Overview: A Look at How It All Hangs Together

SignalR is a fantastic library for enabling real-time applications, especially when using MVC or Blazor in ASP.NET Core. I’ve been using it a lot lately and while it is an excellent way to make your application feel super responsive through messaging and remote procedure calls, there are certain aspects of how the whole thing hangs together which can be very confusing.

This blog post is designed to give you an overview of the different parts of a “standard” SignalR implementation and explain how messages flow through the system.