The Developer Infrastructure mimics the functionality of ABAP Change and Transport System (CTS).
The aim is to control deployment of components in the system landscape in a standardized manner.
NWDI can be used to import Business Packages from SAP and enables development teams to modify standard applications.
When a file is changed in the Netweaver Developer Studio, an activity is created together with a request.
Transferring code between tracks in order to achieve merge and joins between deployed production versions.
Each layer have a history and the possibility to go back to an earlier state.