nservicebus3

Would someone be able to shed some light on the differences between the newly release Windows ServiceBus (on premise, not Azure) and NServiceBus? Looking for a detailed answer what the windows SB may be missing as I'm familiar what NSErviceBus can do: Is it a real service bus and not just a message broker that uses queues? Can it support message polymorphism? (Messages subclassing other messages and handlers supporting this hierarchy Long running processes and correlation Scale out I'm responsible for the Windows Azure ServiceBus support in NServicebus. And in my opinion this new Windows