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New Post 11/1/2019 7:59 AM
User is offline TheProBA
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Re: Eliciting Non-Functional (vs. business or functional) Requirements 

I consider Roxanne Miller's book The Quest for Software Requirements the definitive book on the topic.  I strongly recommend you check it out.  In addition to process, it includes a library of 2,000 sample questions you can use in preparation for NFR elicitation.  Should be required reading for all BA's

 
New Post 11/11/2019 5:49 AM
User is offline Stewart F
66 posts
8th Level Poster


Re: Eliciting Non-Functional (vs. business or functional) Requirements 

Hi Pichaty, 

I would suggest that you stick with the same methodology that you use for Functional requirements - just note them as non-functional. In the 'good old days' of BRDs and the like, there would be a different section for Non-Functional requirements, but it was still in the same document. This should be carried forward for todays world where you may not be using a BRD (i.e. Agile). Keep to the same methodology otherwise the people who have to read your Non-functional requirements and carry them out may not understand what it is you are asking for. 

Sticking to the same methodology should remove this danger. A requirement us still a requirement - whether it is a functional or non-functional one. So why change methodology?

In an ideal world, a functional requirement should be linked to a non-functional one, and vice-versa. So splitting them out would probably make yours and other peoples lives,  working on your project harder.  

 

 
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