# Understanding continuous assessment data requirements
<a name="understanding-continuous-assessment-data-requirements"></a>

Data requirements for continuous assessment and improvement of the application portfolio are a combination of data requirements from previous sections. To continuously manage the portfolio migration and its evolution, see the following sections to understand data requirements:
+ For wave assessment and application optimization, use the data requirements from the [Prioritized applications assessment](understanding-detailed-assessment-data-requirements.md) section.
+ For continuous portfolio management, use the data requirements of the [Portfolio analysis and migration planning](understanding-complete-assessment-data-requirements.md) section.
+ For defining the wave plan, see the [Wave planning](wave-planning.md) section.