In each area, similar questions are asked what are the goals, what are the constraints, what are the current tools or processes in place, and so on. In Investigation, the first three classes of requirements are gathered from the users, from the business and from the development team. To illustrate, consider a standard five-phase development process with Investigation, Feasibility, Design, Construction and Test, and Release stages.
JSTOR ( October 2010) ( Learn how and when to remove this template message)Īt each stage in a development process, there are key requirements management activities and methods.Unsourced material may be challenged and removed.įind sources: "Requirements management" – news Please help improve this article by adding citations to reliable sources. This article needs additional citations for verification. It can also be used after the deployment when user studies show that a feature is not used, to see why it was required in the first place. This can, for example, be used during the development process to prioritize the requirement, determining how valuable the requirement is to a specific user. Using requirements traceability, an implemented feature can be traced back to the person or group that wanted it during the requirements elicitation. These people all have different requirements for the product. Requirements come from different sources, like the business person ordering the product, the marketing manager and the actual user. Even the use of the requirement after the implemented features have been deployed and used should be traceable. It should be possible to trace back to the origin of each requirement and every change made to the requirement should therefore be documented in order to achieve traceability. Requirements traceability is concerned with documenting the life of a requirement.
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For example, in software development for internal applications, the business has such strong needs that it may ignore user requirements, or believe that in creating use cases, the user requirements are being taken care of. To prevent one class of requirements from overriding another, constant communication among members of the development team is critical.
Requirements management involves communication between the project team members and stakeholders, and adjustment to requirements changes throughout the course of the project. Traceabilities also support change management as part of requirements management in understanding the impacts of changes through requirements or other related elements (e.g., functional impacts through relations to functional architecture), and facilitating introducing these changes. The traceability thus established is used in managing requirements to report back fulfilment of company and stakeholder interests in terms of compliance, completeness, coverage, and consistency. Requirements management further includes supporting planning for requirements, integrating requirements and the organization for working with them (attributes for requirements), as well as relationships with other information delivering against requirements, and changes for these. Requirements management begins with the analysis and elicitation of the objectives and constraints of the organization.
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