In the context of this discussion, the riskcomponents are defined in the following manner:• Performance risk—the degree of uncertainty that the product will meet its requirements and be fit for its intended use.• Cost risk—the degree of uncertainty that the project budget will be maintained.• Support risk—the degree of uncertainty that the resultant software will be easy to correct, adapt, and enhance.• Schedule risk—the degree of uncertainty that the project schedule will be maintained and that the product will be delivered on time.The impact of each risk driver on the risk component is divided into one of four impact categories—negligible, marginal, critical, or catastrophic. Referring to Figure 28.1 [Boe89], a characterization of the potential consequences of errors (rows labeled 1) or a failure to achieve a desired outcome (rows labeled 2) are described.The impact category is chosen based on the characterization that best fits the description in the table.
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