It is based on a set of conventions and does not require configuration.
Each appliance is designed to "just work" with little to no configuration required.
Once a new computer is installed, it usually requires proper configuration.
There is no configuration required but little control available over which nodes become peers.
What people don't understand is that while these things are possible, they require extensive configuration.
The third stage varies depending on the configuration required for the payload.
The deployment task may require configuration of external systems, including middleware.
It also significantly reduces the amount of configuration required on the hub router.
It allows application developers to discover and use extensions with no configuration required.
Only when the desired behavior deviates from the implemented convention is explicit configuration required.