The Spiral Model was Originally Proposed By...

The spiral model is a risk-driven process model generator for software projects.

Based on the unique risk patterns of a given project, the spiral model guides a team to adopt elements of one or more process models,

Such as incremental, waterfall, or evolutionary prototyping.

The spiral model is favoured for large, expensive, and complicated projects.

The spiral model originally proposed by Boehm.

Consider the win conditions of all success-critical stakeholders.

Perform four basic activities in every cycle

1

Identify and evaluate alternative approaches for satisfying the win conditions.

Perform four basic activities in every cycle

2

Identify and resolve risks that stem from the selected approach(es).

Perform four basic activities in every cycle

3

Obtain approval from all success-critical stakeholders, plus commitment to pursue the next cycle.

Perform four basic activities in every cycle

4