How best to communicate between AppDomains?

Question

I have an application that needs to send a moderately high volume of messages between a number of AppDomains. I know that I could implement this using remoting, but I have

Answer 1

This is just a quick thought, but I heard that even for cross-domain communication WCF would be the recommended approach, starting from .NET 3.0 of course. Actually this makes sense, as remoting is just another technology wrapped by WCF.