Discipline: Requirements







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Discipline: Requirements















This discipline explains how to elicit stakeholder requests and transform them into a set of requirements work products that scope the system to be built and provide detailed requirements for what the system must do.






Relationships



Reference Workflows


Requirements





Tasks


Capture a Common Vocabulary


Detail a Use Case


Detail the Software Requirements


Develop Supplementary Specifications


Develop Vision


Elicit Stakeholder Requests


Find Actors and Use Cases


Prioritize Use Cases


Review Requirements


Structure the Use-Case Model






Main Description



The purpose of the Requirements discipline is: To establish and maintain agreement with the customers and other stakeholders on what the system should do. To provide system developers with a better understanding of the system requirements. To define the boundaries of (delimit) the system. To provide a basis for planning the technical contents of iterations. To provide a basis for estimating cost and time to develop the system. To define a user-interface for the system, focusing on the needs and goals of the users. To achieve these goals, it is important, first of all, to understand the definition and scope of the problem which we are trying to solve with this system. Stakeholders are identified and Stakeholder Requests are elicited, gathered and analyzed.  The requirements work products are then developed to fully describe the system -  what the system will do - in an effort that views all stakeholders, including customers and potential users, as important sources of information (in addition to system requirements). The Requirements discipline is related to other process disciplines. The Analysis & Design discipline gets its primary input from Requirements.  The Test discipline validates the system against (amongst other things) the requirements The Configuration & Change Management discipline provides the change control mechanism for requirements.  The mechanism for proposing a change is to Task: Submit Change Request a Artifact: Change Request , which is Task: Review Change Requests by the Change Control Board. The Project Management discipline plans the project and each iteration. The requirements work products are important inputs to the iteration planning activities. The Environment discipline develops and maintains the supporting artifacts that are used during requirements.



More Information



Guidelines


Important Decisions in Requirements








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