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Selection Management: For Systems and Services by Jacquie Wakeford

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CHAPTER 3: GATHER REQUIREMENTS

Once you’ve been through the tasks in the previous chapter, you will have a very good overview understanding of what is needed from the new system or service. The next step is to obtain a more detailed specification of what’s needed.

In this chapter, we will look at:

  • the purpose and objectives of requirements
  • who should be involved
  • different ways to gather requirements
  • detailing and prioritising requirements
  • how to write up requirements
  • a requirements specification document template.

Purpose and objectives of requirements

You may ask yourself why this exercise is needed. After all, you already know what you need, don’t you?

There are several reasons:

  • You need to make sure that there is consensus and a common ...

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