c# - Service -> App Communication. Best method? -

I am developing some kind of server service that comes into action and prevents a specific time limit, I have to write a monitoring app to get some status text sent from a service in a local app

This is the first time that I need to go through the procedures, I am looking for some methods which you believe is best for this matter? Why?

Windows Live

Local TCP connection

Database table log (I'm using a database, so it's another

Data file on disk

Edit: I'm using .NET 2 Great WCF solution does not work for me: (

See this SO question:

You almost certainly Want to use WCF. It is another Net Technology If you use WCF:

• Other clients may also subscribe to the status of the situation in the future.
• Status Listening to updates can be run on another physical box if you need to scale out.