{"id":2570,"date":"2023-04-02T02:19:51","date_gmt":"2023-04-02T08:19:51","guid":{"rendered":"https:\/\/www.armia.com\/blog\/?p=2570"},"modified":"2023-04-02T02:19:51","modified_gmt":"2023-04-02T08:19:51","slug":"why-non-functional-requirements-important","status":"publish","type":"post","link":"https:\/\/www.armia.com\/blog\/why-non-functional-requirements-important\/","title":{"rendered":"Functional vs Non Functional Requirements (NFR) | Importance"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><span data-preserver-spaces=\"true\">Most of the time, it&#8217;s been seen that product developers pay attention to functional requirements while neglecting non-functional requirements and their utility. <\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span data-preserver-spaces=\"true\">By prioritizing functional requirements (FR) over non-functional requirements (NFR), one can create a smart product, but later on, it may lead to a final product of poor-quality.&nbsp;<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span data-preserver-spaces=\"true\">The importance of non-functional requirements in product development goes way beyond cost containment. Companies with a well-laid-out requirement map generally perform better when it comes to cost containment, schedule management, and quality assurance. <\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span data-preserver-spaces=\"true\">But having the proper amount of non-functional requirements in the <a href=\"https:\/\/www.armia.com\/development_services.php\">product development<\/a> strategy can help the company achieve these goals. It is when the company has built-in functions that the non-functional requirements are fulfilled.\u00a0<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span data-preserver-spaces=\"true\">The concept of NFR is based on the fact that there should always be some gap between non-functional and functional requirements that cannot be avoided. But if this gap can be adequately justified using other functional requirements, this gap cannot bridge the production process. <\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span data-preserver-spaces=\"true\">In other words, when you are dealing with functional requirements, you cannot avoid any of the non-functional requirements.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong><span data-preserver-spaces=\"true\">What are Functional Requirements (FR)?<\/span><\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/www.armia.com\/blog\/wp-content\/uploads\/2021\/03\/functional.jpg\" alt=\"Non-Functional Requirements\" class=\"wp-image-2581\" srcset=\"https:\/\/www.armia.com\/blog\/wp-content\/uploads\/2021\/03\/functional.jpg 800w, https:\/\/www.armia.com\/blog\/wp-content\/uploads\/2021\/03\/functional-300x225.jpg 300w, https:\/\/www.armia.com\/blog\/wp-content\/uploads\/2021\/03\/functional-768x576.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><span data-preserver-spaces=\"true\">Functional Requirements are the product requirements expressed in terms of a business need. Functional requirements involve feasibility, estimation, documentation, testing, and modification as a requirement for obtaining a product or a process that meets business needs. <\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span data-preserver-spaces=\"true\">These must be expressible by the client to specify a budget and schedule for the entire project. These may be written in specifications (a document specifying the expected outputs), software requirements (the key constraints that motivate a software vendor to develop a product), or sometimes a combination of these.<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span data-preserver-spaces=\"true\">Some examples of FRs are <\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><span data-preserver-spaces=\"true\">Business rules <\/span><\/li><li><span data-preserver-spaces=\"true\">Administrative functions<\/span><\/li><li><span data-preserver-spaces=\"true\">Authentication <\/span><\/li><li><span data-preserver-spaces=\"true\">Transaction corrections<\/span><\/li><li><span data-preserver-spaces=\"true\">Audit tracking<\/span><\/li><li><span data-preserver-spaces=\"true\">Certification requirements<\/span><\/li><li><span data-preserver-spaces=\"true\">External interfaces, etc.&nbsp;<\/span><\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><span data-preserver-spaces=\"true\">Functional requirements are used in many phases of product development. It is a cardinal requirement used to form the initial requirements document &#8211; a Universal Specification Language (USL) that contains a description of the product and its intended use. <\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span data-preserver-spaces=\"true\">This is followed by a series of Functional Requirements Test (FRT) that verify the product&#8217;s design and its anticipated performance. The functional requirements set are used to derive requirements specifications that describe the product and identify the tests that will verify these specifications. <\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span data-preserver-spaces=\"true\">Functional Requirements -FR is used to describe the most critical requirements of a system in use.<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span data-preserver-spaces=\"true\">Functional Requirements in product development help product owners and others to understand the process. Functional requirements are a set of technical assumptions about a product&#8217;s requirements and the data needed to satisfy these requirements. <\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span data-preserver-spaces=\"true\">These assumptions are based on the organization&#8217;s structure, including organizational culture, functional objectives, <a href=\"https:\/\/www.armia.com\/blog\/the-most-popular-web-application-development-products-today\/\">existing technology<\/a>, time constraints, and funding. <\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span data-preserver-spaces=\"true\">These constraints must be considered to achieve the best possible technical solution to the problem of the organization. This way, the process of product development becomes more effective.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong><span data-preserver-spaces=\"true\">What are Non-functional Requirements (NFR)?<\/span><\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"800\" height=\"468\" src=\"https:\/\/www.armia.com\/blog\/wp-content\/uploads\/2021\/03\/non-functional-requirements.jpg\" alt=\"Non-Functional Requirements\" class=\"wp-image-2582\" srcset=\"https:\/\/www.armia.com\/blog\/wp-content\/uploads\/2021\/03\/non-functional-requirements.jpg 800w, https:\/\/www.armia.com\/blog\/wp-content\/uploads\/2021\/03\/non-functional-requirements-300x176.jpg 300w, https:\/\/www.armia.com\/blog\/wp-content\/uploads\/2021\/03\/non-functional-requirements-768x449.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><span data-preserver-spaces=\"true\">For large and medium enterprises, non-functional requirements in product development is a common matter that is asked of a software development firm. <\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span data-preserver-spaces=\"true\">At the same time, the process is being carried on for software development. As the processes become more involved, many times, it is not only the company&#8217;s resources, which are being utilized for product requirements but also the software professionals&#8217; skills. <\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span data-preserver-spaces=\"true\">The company intends to be sure that the process is cost-effective and does not compromise the quality of the products.<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span data-preserver-spaces=\"true\">Non-functional requirements can be defined as the difference between what is needed to execute a functional requirement and what is technically required for its successful completion. <\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span data-preserver-spaces=\"true\">Most of the time, the difference is quite huge and can sometimes mislead a software development company&#8217;s decision-making process, which leads to delays in product development. <\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span data-preserver-spaces=\"true\">When this happens, one should not consider the difference between functional and non-functional in the process.<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span data-preserver-spaces=\"true\">Some examples of NFRs are&nbsp;<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><span data-preserver-spaces=\"true\">Performance<\/span><\/li><li><span data-preserver-spaces=\"true\">Response time<\/span><\/li><li><span data-preserver-spaces=\"true\">Utilization<\/span><\/li><li><span data-preserver-spaces=\"true\">Scalability<\/span><\/li><li><span data-preserver-spaces=\"true\">Availability<\/span><\/li><li><span data-preserver-spaces=\"true\">Capacity<\/span><\/li><li><span data-preserver-spaces=\"true\">Recoverability<\/span><\/li><li><span data-preserver-spaces=\"true\">Serviceability<\/span><\/li><li><span data-preserver-spaces=\"true\">Reliability<\/span><\/li><li><span data-preserver-spaces=\"true\">Maintainability, etc.&nbsp;<\/span><\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><span data-preserver-spaces=\"true\">NFR is the difference between what a company needs for a certain product to fulfill the requirement definition and what the product itself can do. <\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span data-preserver-spaces=\"true\">A functional requirement is usually a product requirement, but it considers the process&#8217;s overall efficiency and hence what the end-users require. <\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span data-preserver-spaces=\"true\">A non-functional requirement does not consider the overall efficiency of the process. <\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span data-preserver-spaces=\"true\">Hence is not a good indicator of the final product&#8217;s capability &amp; performance.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong><span data-preserver-spaces=\"true\">Importance of NFR &amp; Its Significance in Creating Flawless Products<\/span><\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1000\" height=\"680\" src=\"https:\/\/www.armia.com\/blog\/wp-content\/uploads\/2021\/03\/non-functional.jpg\" alt=\"Non-Functional Requirements\" class=\"wp-image-2579\" srcset=\"https:\/\/www.armia.com\/blog\/wp-content\/uploads\/2021\/03\/non-functional.jpg 1000w, https:\/\/www.armia.com\/blog\/wp-content\/uploads\/2021\/03\/non-functional-300x204.jpg 300w, https:\/\/www.armia.com\/blog\/wp-content\/uploads\/2021\/03\/non-functional-768x522.jpg 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><span data-preserver-spaces=\"true\">Sometimes, in the quest to create a product that impresses end-users through its functionality, most product managers and developers don&#8217;t pay heed to the significance of non-functional requirements. <\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span data-preserver-spaces=\"true\">They only focus on functional requirements and ultimately generate a low-quality and poorly scheduled product or service. That&#8217;s why it is necessary to give equal importance to both functional and non-functional requirements while undergoing a product development process.<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span data-preserver-spaces=\"true\">The importance of NFR or non-functional requirements in mobile or app development process can be understood from cost reduction. <\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span data-preserver-spaces=\"true\">During the product development cycle, many activities are carried out based on functional requirements. <\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span data-preserver-spaces=\"true\">The process of converting functional requirements takes a lot of time and effort, resulting in high costs.<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span data-preserver-spaces=\"true\">Product development is a big investment in the business. It involves cost, time, and workforce, and therefore all these factors have to be considered while planning any new invention or design. <\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span data-preserver-spaces=\"true\">The product development process needs careful attention and implementation of strategies. The above-mentioned fact can be concluded by saying that the product would not reach its actual quality and market without NFR in the product development process. <\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span data-preserver-spaces=\"true\">So, it can be said that the importance of non-functional requirements in the development cycle holds for both small and large organizations. NFR in the product development cycle holds great importance for any invention. <\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span data-preserver-spaces=\"true\">So, it is advised to follow this rule while planning any new product innovation: &#8220;It is better to meet your specifications than not to meet them.&#8221;<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you are searching for a mobile app development team then our\u00a0dedicated development team\u00a0can help you to build your web or<a href=\"https:\/\/www.armia.com\/mobileapp_dev.php\"> mobile application<\/a>. Contact us today!<\/p>\n\n\n\n<div class=\"wp-block-media-text alignwide has-media-on-the-right is-stacked-on-mobile\"><div class=\"wp-block-media-text__content\">\n<p class=\"has-large-font-size wp-block-paragraph\">Have an Idea for web\/mobile app?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Request a<a href=\"https:\/\/go.armia.com\/request-a-free-consultation\"> free consultation<\/a> to review your development options.<\/p>\n\n\n\n<!--HubSpot Call-to-Action Code --><span class=\"hs-cta-wrapper\" id=\"hs-cta-wrapper-36d59c84-ebca-4dbf-ae90-19c4149edd85\"><span class=\"hs-cta-node hs-cta-36d59c84-ebca-4dbf-ae90-19c4149edd85\" id=\"hs-cta-36d59c84-ebca-4dbf-ae90-19c4149edd85\"><!--[if lte IE 8]><div id=\"hs-cta-ie-element\"><\/div><![endif]--><a href=\"https:\/\/cta-redirect.hubspot.com\/cta\/redirect\/2725694\/36d59c84-ebca-4dbf-ae90-19c4149edd85\"><img decoding=\"async\" class=\"hs-cta-img\" id=\"hs-cta-img-36d59c84-ebca-4dbf-ae90-19c4149edd85\" style=\"border-width:0px;\" src=\"https:\/\/no-cache.hubspot.com\/cta\/default\/2725694\/36d59c84-ebca-4dbf-ae90-19c4149edd85.png\" alt=\"Request Free Consultation&nbsp;\"><\/a><\/span><script charset=\"utf-8\" src=\"https:\/\/js.hscta.net\/cta\/current.js\"><\/script><script type=\"text\/javascript\"> hbspt.cta.load(2725694, '36d59c84-ebca-4dbf-ae90-19c4149edd85', {\"useNewLoader\":\"true\",\"region\":\"na1\"}); <\/script><\/span><!-- end HubSpot Call-to-Action Code -->\n<\/div><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.armia.com\/blog\/wp-content\/uploads\/2022\/03\/Armia-dev-team-custom-1024x576.png\" alt=\"Have an Idea for Web \/ Mobile App?\" class=\"wp-image-2750 size-full\" srcset=\"https:\/\/www.armia.com\/blog\/wp-content\/uploads\/2022\/03\/Armia-dev-team-custom-1024x576.png 1024w, https:\/\/www.armia.com\/blog\/wp-content\/uploads\/2022\/03\/Armia-dev-team-custom-300x169.png 300w, https:\/\/www.armia.com\/blog\/wp-content\/uploads\/2022\/03\/Armia-dev-team-custom-768x432.png 768w, https:\/\/www.armia.com\/blog\/wp-content\/uploads\/2022\/03\/Armia-dev-team-custom.png 1366w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Most of the time, it&#8217;s been seen that product developers pay attention to functional requirements while neglecting non-functional requirements and their utility. By prioritizing functional requirements (FR) over non-functional requirements&hellip;<\/p>\n","protected":false},"author":1024,"featured_media":3076,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[14,29,13],"class_list":["post-2570","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-web-development","tag-iphone-app-development","tag-project-management","tag-web-application-development"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 5.0.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Functional vs Non Functional Requirements (NFR) - Importance and significance in mobile and web application development for reducing cost and overall effort\" \/>\n\t<meta name=\"robots\" content=\"max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n\t<meta name=\"author\" content=\"Mariya Parackal\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/www.armia.com\/blog\/why-non-functional-requirements-important\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO Pro (AIOSEO) 5.0.0.1\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Web and Mobile Application Development Blog | Armia Systems\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Functional vs Non Functional Requirements (NFR) | Armia\" \/>\n\t\t<meta property=\"og:description\" content=\"Functional vs Non Functional Requirements (NFR) - Importance and significance in mobile and web application development for reducing cost and overall effort\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/www.armia.com\/blog\/why-non-functional-requirements-important\/\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/www.armia.com\/blog\/wp-content\/uploads\/2021\/03\/Funcional-vs-Non-functional-requirements.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/www.armia.com\/blog\/wp-content\/uploads\/2021\/03\/Funcional-vs-Non-functional-requirements.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t\t<meta property=\"og:image:height\" content=\"1080\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2023-04-02T08:19:51+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2023-04-02T08:19:51+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/armiasystems\/\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Functional vs Non Functional Requirements (NFR) | Armia\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Functional vs Non Functional Requirements (NFR) - Importance and significance in mobile and web application development for reducing cost and overall effort\" \/>\n\t\t<meta name=\"twitter:image\" content=\"https:\/\/www.armia.com\/blog\/wp-content\/uploads\/2021\/03\/Funcional-vs-Non-functional-requirements.jpg\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.armia.com\\\/blog\\\/why-non-functional-requirements-important\\\/#aioseo-article-64ca0c82e0cd1\",\"name\":\"Functional vs Non Functional Requirements (NFR) | Importance\",\"headline\":\"Functional vs Non Functional Requirements (NFR) | Importance\",\"description\":\"Most of the time, it's been seen that product developers pay attention to functional requirements while neglecting non-functional requirements and their utility. 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