Integration Driven Development (IDD) is an incremental approach to systems development where the contents of the increments are determined by the integration plan, rather than the opposite. The increments can be seen as defined system capability changes - "Deltas" (Taxén et al., 2011). The advantages compared to other incremental development models ( such as RUP and Scrum) still apply, such as short design cycles, early testing and managing late requirement changes, however IDD adds pull to the concept and also has the advantage of optimizing the contents of each increment to allow early integration and testing.