Visual Models for Software Requirements

Chapter 11. Roles and Permissions Matrix

When a company moves into a new building space, the office managers have to work quickly to set up security access to the building for the employees. Imagine a building that is three stories tall, with 600 employees who need access. The doors to the lobby are open to the public, but access to the building beyond the lobby is for employees only or those with escorts. There is an executive suite on the third floor with access restricted to executives and their office managers. There is a human resources area that stores confidential employee files, and only certain people are allowed in that area without an escort from HR. There is a research lab that is closed off to all but a few specified researchers and, ...