For more information on SignalR and how it operates, I suggest reading the documentation available via the GitHub WiKi. I'll start by creating the SignalR hub, which will be hosted in an ASP.NET Web ...

As you can, see SignalR is quite easy to work with and the PersistentConnection API is very flexible. With SignalR, you can tackle a plethora of real-time Web app use cases from business to gaming.