![]() ![]() ![]() In our what are non-functional requirements article, we cover the importance of a non-functional requirement having both a measure and a metric when possible. This is the first step in building a non-functional requirement. You might have a specific non-functional requirement in mind right now and might be trying to identify whether it fits into the Operational, Revisional, or Transitional category.īelow we provide a breakdown of these categories into their relevant aspects. This means that teams will be able to easily identify the successes of a project from any of these perspectives. A typical grouping of non-functional requirements would be Operational, Revisional, or Transitional. Teams keep their NFR’s organized by using categories with which they can evaluate overall success. Teams may notice that a small implementation change, could lead to a completely new NFR that will help them identify a project’s success.Īs teams continue to expand their list of non-functional requirements, you might be wondering how do they keep this expanding NFR list organized? Regardless of how small or extensive these changes may be, a team can easily identify how implementing a change might affect their success measures by re-evaluating their NFR’s. The need to add new NFR’s, or to change existing NFR’s, can stem from incidents such as: organizational changes, changes in implementation, or even changes in business needs. This is expected, as NFR’s will need to be created, changed and adapted as the needs of an organization change. Non-functional requirements will then be used to measure the overall success of a given project, process, or system, and provide measurable insights into how close to completion our project might be.Īs time goes on, teams, companies, and stakeholders will notice that their list of non-functional requirements will continue to grow. While these non-functional requirements might not “do anything specifically”, they do however outline concretely the attributes a system, process, or project must have on completion. While a functional requirement specifies what a system should do exactly in a given scenario, the non-functional requirement instead specifies the overall qualities a project, system, or process should exhibit. Unlike their functional counterparts, non-functional requirements cover an incredibly broad scope. To properly discuss examples of non-functional requirements (NFRs), we first need to understand the scope of this type of requirement.
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