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Strategies for Real-Time System Specification by Imtiaz A. Pirbhai, Derek J. Hatley

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Chapter 10. Overview

In Part II, we described the completed requirements model in detail, and it is necessary that you have read and understood that description before proceeding with the finer details of building the model. In Part III, we address the needs of those whose job it will be to define system requirements using the requirements model. In order to understand the role of the model, we must identify who will build it and who will use it.

10.1 Model Users and Builders

Who then are the users and the builders of the requirements model? What are their needs? Looking first at the users, they fall into two categories. In the first category are the system’s end users, people who want to understand the functionality and performance of the system ...

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