A simple pattern for requirements analysis

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http://www.ibm.com/developerworks/architecture/library/ar-analpat/index.html

The pattern

Take the following steps to develop a pattern for business stakeholder requirements descriptions:

   1. Identify the business processes.
   2. Identify the IT processes that support each of the business processes.
   3. Identify the activities within each of the IT processes.
   4. Identify the functions within each of the activities.
   5. Identify the use cases for one or more of the functions.

Using an online pizza ordering system as an example, the rest of this article walks through the steps in the pattern.