Use Signalr to have a facebook like notification system

Question

I want to implement a facebook like notification system in ASP.NET MVC 3 : notifications are sent to a specific user to notify him for an action on one of his items.

Is

Answer 1

Yes, SignalR is a good choice for that. Take a look at the documentation regarding Hubs (server and JS client).

You need to implement the server logic to associate your client's session with SignalR's session. You can use groups to notify all the open sessions of each user.