Organize requirements and iterations by risk, coverage, and criticality. Risk includes both technical complexity and other factors, such as uncertainty of effort or usability. Coverage implies that all major parts of the system are at least touched on in early iterationsperhaps a "wide and shallow" implementation across many components. Criticality refers to functions the client considers of high business value
Define Planning and Ranking factors for Iterations?
Planning and project management organize requirements and iterations by risk, coverage and criticality.
As per user.