May 2018
Intermediate to advanced
816 pages
22h 53m
English
book
SAFe 4.5 Reference Guide: Scaled Agile Framework for Lean Enterprises, Second edition
by Dean Leffingwell
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Nonfunctional Requirements
The devil is in the details.
—Common proverb
Nonfunctional Requirements (NFRs) define system qualities such as security, reliability, performance, maintainability, scalability, and usability. They serve as constraints or restrictions on the design of the system across the different backlogs.
In contrast, functional requirements are largely expressed in user stories, features, and capabilities. This is where most of the work occurs. Teams build systems that deliver value to the user, and most of the time and effort in solution development are devoted to that goal.
NFRs, however, ensure the usability and effectiveness ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.