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Questions tagged [quality-attributes]

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1 answer
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What is the definition of 'Availability'?

In my research, I have found two conflicting definitions of 'availability' as it relates to software engineering and architecture. According to [1]: "The availability of a system can be ...
Jared Schreiber's user avatar
3 votes
2 answers
413 views

How security metrics are verified in testing phase?

I am required to analyze and make an architecture of an application. While analyzing the requirements I find, in my system user personally identifiable information (PII) confidentiality is a very ...
Sazzad Hissain Khan's user avatar
17 votes
3 answers
5k views

Robustness vs Correctness Competition [closed]

Reading "Code Complete 2" in a Quality of Requirements paragraph I found this: Are acceptable trade-offs between competing attributes specified — for example, between robustness and correctness? ...
overcomer's user avatar
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0 votes
1 answer
254 views

Technical parameters for web application?

I'm doing a small project for the company a friend of mine works at. The project is a tool for doing Quality function deployment using the House of quality method. As part of the initial planning ...
Magnus's user avatar
  • 415
8 votes
3 answers
4k views

Cyclomatic Complexity spread over non-reusable functions

I am frequently writing parser and mappers of some sort. This means that the switch statement gets used a lot and often many if statements for checking for valid input. This of course creates a lot ...
Johnny's user avatar
  • 91
2 votes
1 answer
80 views

What quality attribute would be favored using a rich search algorithm?

I'm working on an architecture document based on quality attributes. I'm trying to explain our search algorithm based on tags, historics and some bi information as a way of favouring a quality ...
rickfra's user avatar
  • 23
8 votes
3 answers
989 views

Are non-functional requirements elicited in parallel with or after the functional requirements?

I'm studying for the CPRE Foundation Level exam from the International Requirements Engineering Board. In the exam, there is a statement: Quality Requirements are elicited after the Functional ...
vkoukou's user avatar
  • 101
1 vote
1 answer
399 views

Is there a software attribute (like reliability) that describes a bug free experience?

TL;DR Do non-crashing bugs always affect Functionality, despite possibly affecting other quality attributes as well? Or is there a more specific quality attribute that non-crashing bugs always ...
kdbanman's user avatar
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3 votes
6 answers
1k views

Why sacrificing good software engineering practices is typically the first choice for software development projects assuming "good enough" quality [duplicate]

I have observed a correlation between a customer ordering software of "good enough" quality and the same customer not willing to pay for good engineering practices (unit testing, code reviews and the ...
DmytroL's user avatar
  • 141
-3 votes
2 answers
248 views

Question about requirements [duplicate]

I know that functional requirements are requirements that tell the system what to do while non-functional requirements are about quality and constraints. For below requirements, which of these will ...
Manuel's user avatar
  • 109
3 votes
1 answer
162 views

How do you take into account usability and user requirements for your application? [closed]

Our team supports BackOffice application: a mix of WinForm and WPF windows. (about 80 including dialogs). Really a kind of a Swiss Army Knife. It is used by developers, tech writers, security ...
Pavel Voronin's user avatar
18 votes
3 answers
39k views

What is the difference between a non-functional requirement and a quality attribute?

I'm trying to understand the difference between non-functional requirements and quality attributes. Are they the same thing? You can find a set of quality attributes in the ISO 9126, now ISO/IEC ...
Hugo Assanti's user avatar
5 votes
3 answers
4k views

How can I improve the ease of which I can extend my software?

I am thinking about how software like Microsoft Windows grows from small as MS-DOS to Windows 7, Adobe Photoshop from its first version to version CS5. What techniques were used to accomplish this? ...
Hafizul Amri's user avatar
37 votes
10 answers
139k views

Difference between a defect and a bug in testing?

What is the difference between a defect and a bug?
maz3tt's user avatar
  • 1,583
13 votes
4 answers
937 views

How can I track quality attributes on my team's Kanban?

My team uses a Kanban system for tracking day-to-day progress and it's worked out really well for understanding progress on features (captured as user stories). We have largely allowed our system ...
Michael's user avatar
  • 2,112
297 votes
17 answers
108k views

Is premature optimization really the root of all evil?

A colleague of mine today committed a class called ThreadLocalFormat, which basically moved instances of Java Format classes into a thread local, since they are not thread safe and "relatively ...