[Editor's note: Peter rewrote this article after a reader pointed out he over-engineered his original solution. ("What can I say: The code worked -- I just didn't need nearly as much code as I thought ...

After installing SignalR, add the necessary ASP.NET MVC routing rules for the Hub API. Open up the App_Start\RouteConfig.cs file and add a using statement for the Microsoft.AspNet.SignalR namespace.