Non Functional Requirements

What are the Non Functional Requirements and what factors make them a good NFR?

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  • Apr 16th, 2013

Non functional requirements are the requirements that may not be directly expressed by the end users by the business team but this requirement are still present in the system.

lennox mojela

  • Aug 21st, 2013

Non-functional requirements are requirements that captures the condition which describe environmental condition under which. The solution must remain effective or qualities that the system must have.

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  • Sep 15th, 2014

Nonfunctional requirements specify all the quality of service requirements. There are many types of nonfunctional requirements. Some of the common nonfunctional requirement types.

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  • Sep 18th, 2014

Apart from functional all are non functional, all technical requirement comes under non functional requirement. apart from end users requirement all are non functional requirement.

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  • Mar 27th, 2015

Non-functional requirements capture conditions that do not directly relate to the behavior or functionality of the solution, but rather describe environmental conditions under which the solution must remain effective or qualities that the systems must have. This includes requirements related to scalability, performance, security, availability and the information architecture and presentation of the user interface.


  • Mar 11th, 2016

Non functional requirements are mostly the quality requirements which improves the proposed solution but they are not necessarily be the actual solution mentioned

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  • May 2nd, 2016

Non functional requirement describes the quality of the software ie. performance, robustness, usibility maintainability. Non functional requirement means under specific condition how software is going to behave and that can be measured through various factors i.e. performance, reliability usibility and maintanaibilty of the software.

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Gurpreet Chawla

  • Jun 19th, 2017

A Non Functional Requirement are one which are not explicitly asked by business but desirable for a good system. Examples would be Availability of system 24/7. Response time should be less than 5 seconds. They are like more of a operation characteristics of a system.

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  • Jul 6th, 2017

Functional requirement are the logical requirement whereas non functional requirement are the quality requirement

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