 Also, the DML should be easily accessed by those, and only those, authorised to do so.In this way, a virtual (electronic) storage area will almost always provide a superior solution, meaning the DML can be centralised and accessed remotely or outside normal business hours if the need arises (see distribution).The DML plays a critical role in supporting the transition from development to production phases and DML solutions should be distinguished from other software and source code repositories e.g.