Summary

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Summary Getting the requirements correct is the most important part of a software development project. Once a software development team begins to collect the project requirements, it is critical that the project have a consistent format for maintaining and presenting them. This chapter described the construction of the Software Requirements Specification (SRS), used for the ongoing maintenance and presentation of the project requirements. The SRS is critical to the entire software development life cycle. Not only is it the derivative document for the software design specification, but it is also the base document for generating validation and acceptance tests. Validation is the determination of whether or not the project manager built the right product. Satisfying the requirements determines successful validation. The SRS is the mechanism for capturing those validation criteria�the system requirements. During the SRS building process, the project manager must constantly be aware of the quality characteristics of the SRS: correctness, unambiguousness, completeness, and consistency, ranked for importance and/or stability, verifiability, modifiability, and traceability. The evaluation of these characteristics is a continuous process as the SRS is being built.

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