Best practices for implementing an addin/addon/plugin strategy

Question

My application should be extensible. For my own needs I have implement some services. These services are based on the IoC/DI princple. So the services encapsulate the concept of

Answer 1

Are you familiar with MEF (Managed Extensibility Framework)?

The Managed Extensibility Framework (or MEF for short) simplifies the creation of extensible applications. MEF offers discovery and composition capabilities that you can leverage to load application extensions.