is a configuration storage backends containing a complete
configuration database, including user data, default or
policy layers and schemata.
Configuration data is organized into layers which are selected
by components and entities.
Components are characterized by configuration schemas.
A component contains configuration data for a particular
application domain or software module.
Entities are organised hierarchically in organisations,
groups, roles and individual users. Each element of the associated
hierarchy corresponds to a layer that applies to an entity.
Layers contains data for multiple components
associated to a single entity.
