In systems engineering and requirements engineering, a non-functional requirement (NFR) is a requirement that specifies criteria that can be used to judge...
11 KB (1,007 words) - 07:16, 24 May 2025
whereas non-functional requirements are detailed in the system architecture. As defined in requirements engineering, functional requirements specify particular...
6 KB (677 words) - 04:18, 22 January 2025
are also sometimes known as capabilities. Quality-of-service (non-functional) requirements Usually detailed statements of the conditions under which the...
24 KB (2,746 words) - 01:42, 3 March 2025
NFR (Non-Functional Requirements) need a framework for compaction. The analysis begins with softgoals that represent NFR which stakeholders agree upon...
4 KB (503 words) - 12:39, 17 November 2021
Non-functional testing is testing software for its non-functional requirements: the way a system operates, rather than specific behaviors of that system...
1 KB (85 words) - 01:40, 7 June 2025
Functional requirements analysis will be used as the toplevel functions for functional analysis. Non-functional requirements are requirements that specify...
25 KB (2,957 words) - 19:19, 25 May 2025
that, for a software system, not all non-functional requirements affect its architecture, and functional requirements can also affect its architecture. This...
8 KB (810 words) - 08:35, 3 June 2025
specification (CONOPS). The software requirements specification lays out functional and non-functional requirements, and it may include a set of use cases...
11 KB (1,033 words) - 17:47, 17 February 2025
categories and fourteen sub-categories to measure the non-functional requirements. Non-functional requirement are mapped to the relevant sub-categories. Each...
6 KB (729 words) - 15:36, 11 April 2025
Ancillary Functionality Requirements instead of Non-Functional Requirements as "Non-Functional" connotes "never functional". Second, these requirements in fact...
10 KB (1,204 words) - 22:01, 3 May 2025
List of system quality attributes (category Software requirements)
Within systems engineering, quality attributes are realized non-functional requirements used to evaluate the performance of a system. These are sometimes...
7 KB (470 words) - 19:21, 3 March 2025
applied during a systems development life cycle to ensure the non-functional requirements for performance (such as throughput, latency, or memory usage)...
14 KB (1,693 words) - 16:28, 15 September 2022
Software testing (redirect from Functionality assurance)
may involve a Requirements gap – omission from the design for a requirement.: 426 Requirement gaps can often be non-functional requirements such as testability...
78 KB (10,062 words) - 11:32, 27 May 2025
The product/system/software requirements usually consist of both functional requirements and non-functional requirements. Although typically defined in...
16 KB (1,892 words) - 15:13, 13 December 2024
extracts and prioritizes architectural characteristics (aka non functional requirements) then models the components accordingly. The team can use C4...
52 KB (5,792 words) - 18:34, 9 May 2025
Usability (redirect from Usability Requirements)
product with good usability. Usability is a non-functional requirement. As with other non-functional requirements, usability cannot be directly measured but...
59 KB (7,769 words) - 08:04, 6 June 2025
Requirements Specification Process List of requirements engineering tools Non-functional requirement Performance requirements which are covered by Software performance...
10 KB (1,015 words) - 23:21, 9 February 2025
these results will then be compared to the software system's non-functional requirement of portability for correctness. The levels of correctness are...
9 KB (867 words) - 13:08, 9 May 2023
A functional specification (also, functional spec, specs, functional specifications document (FSD), functional requirements specification) in systems...
6 KB (651 words) - 09:45, 2 April 2025
efficiency, optimizing the speed and memory requirements of a computer program. A non-functional requirement (criterion for quality) in systems design and...
12 KB (1,551 words) - 23:14, 13 March 2025
goal-oriented modeling and reasoning about requirements especially the non-functional requirements Goal-oriented Requirements Language (GRL) allows to express conflict...
4 KB (507 words) - 03:16, 26 December 2023
responsibility to match architectural characteristics (aka non-functional requirements) with business requirements. For example: Having a high customer satisfactions...
5 KB (563 words) - 07:38, 3 June 2025
development) are defined in terms of functional and non-functional requirements; covering key quality attributes of functional stability, portability, and reliability...
22 KB (2,433 words) - 11:55, 15 May 2025
level of privacy is defined in terms of compliance to the functional and non-functional requirements set out through a privacy policy, which is a contractual...
15 KB (1,646 words) - 10:42, 25 May 2025
model specifications correctly implement the functional and non-functional requirements specifications? Of the construction artifacts against the design...
21 KB (2,438 words) - 22:13, 29 May 2025
Software quality control refers to specified functional requirements as well as non-functional requirements such as supportability, performance and usability...
4 KB (460 words) - 21:10, 20 April 2022
tolerate errors in the input. Fault tolerance Defensive programming Non-functional requirement "A Model-Based Approach for Robustness Testing" (PDF). Dl.ifip...
10 KB (1,178 words) - 14:53, 19 May 2024
development, functional testing is a form of software testing that verifies whether a system meets its functional requirements. Generally, functional testing...
3 KB (379 words) - 11:11, 3 June 2025
tools for analysis The quality of the source code is a non-functional requirement. The requirements in relation to the quality of the source code have to...
7 KB (949 words) - 16:49, 27 March 2025
FURPS (category Software requirements)
for classifying software quality attributes (functional and non-functional requirements): Functionality - capability (size and generality of feature set)...
4 KB (320 words) - 14:39, 3 January 2025