NFRs or “Non-Functional Requirements” are an essential part of scoping projects. But what are they? A few minutes in google will give you quite a bit of information on this topic, but it’s typically rather technical and can be difficult to understand if you are not a seasoned developer. We understand that not everyone is technical and part of what we do is to translate “developer speak” to plain English. In this article, we are going to just that for NFRs.

    If you are involved in a digital project of any kind you should know about the two common types of requirements: Functional and Non-Functional. To understand Non-Functional Requirements, it can help to first understand Functional Requirements. Because the easiest way to understand what something is, is to get an idea of what it is not.

    When scoping a new project, we will typically start with writing the user stories together with the project stakeholders. These are non-technical requirements in a format that reflects what the actual users want to achieve in a solution. From these user stories, we work with the developers to add more technical detail to make it clear how and what they need to implement. These technical details are what we would call Functional Requirements.

    Now that you have an idea of what Functional Requirements are, let’s talk about Non-Functional Requirements (NFRs). Basically, the NFRs are needs or expectations of the solution that are not directly related to any functional behavior and are not always dependent on user input.

    Typical topics covered by NFRs are:

    • Experience Related to corporate branding, customer service expectations, etc.
    • Usability Support for different devices, visually impaired, etc.
    • Performance Loading and processing speed in different regions, number of users, etc.
    • Reliability Backup and restore requirements, stability, uptime, etc.
    • Support How quickly issues need to be resolved, service level agreement, etc.
    • Security Encryption, password controls, storing and handling of personal and sensitive data, etc.
    • Transferability Technical documentation, standards the solution should comply with, etc.

    For instance, if you are storing personal data then you will likely need encryption in place to protect that data. Both while the data is stored and while it is moving between the user and your solution. Part of the implementation of this NFR would be to buy a security certificate (SSL) so that the data between the user and the solution can be encrypted.

    A successful eCommerce site could get many thousands of visitors at any given point in time. It must be able to handle that kind of traffic without slowing down or breaking. This is where NFRs for performance and reliability come into play. We can have NFRs that state that the solution must be able to handle up to 25,000 users per day. This will affect how the solution is designed which is why it is crucial to set the NFRs during scoping and before the solution is designed.

    To summarize, while the Functional Requirements define what a system is supposed to do, the Non-Functional Requirements define how the system is supposed to be and what is expected of it in different, often long-term, hypothetical scenarios.

    The NRFs are essential for a high-quality solution because there are often thousands of ways to develop a functional requirement. The NFR’s filter that down to a much smaller number which ensures that the resulting feature is developed at an expected level of quality and cost.

    What is the full form of NFR?
    Welcome to North East Frontier Railway / Indian Railways Portal. more
    Do police full form?
    The word POLICE don't define a particular full form but mainly it stands for Public Officer for legal investigations and criminal emergencies or the Polite Obedient loyal intelligent courageous efficient. 1.3. more
    What is full form MMS?
    MMS stands for Multimedia Messaging Service. It was built using the same technology as SMS to allow SMS users to send multimedia content. more
    What is Cobol full form?
    COBOL (Common Business-Oriented Language) is a high-level programming language for business applications. It was the first popular language designed to be operating system-agnostic and is still in use in many financial and business applications today. more
    Is form a full form?
    1 Answer. The Full form of ARE is Active Resistance Exercise, or ARE stands for Active Resistance Exercise, or the full name of given abbreviation is Active Resistance Exercise. more
    What is TTL full form?
    Time-to-live (TTL) is a value for the period of time that a packet, or data, should exist on a computer or network before being discarded. The meaning of TTL, or packet lifetime, depends on the context. more
    What is CV full form?
    Curriculum Vitae (CV) is Latin for "course of life." In contrast, resume is French for "summary." Both CVs & Resumes: Are tailored for the specific job/company you are applying to. Should represent you as the best qualified candidate. Are used to get you an interview. more
    What is KYC full form?
    KYC full form is 'Know Your Customer') which refers to the process of identity and addresses verification of all customers and clients by banks, insurance companies and other institutions either before or while they are conducting transactions with their customers. more
    What is Mint full form?
    Management Of Innovation And New Technology. more
    What is BPO full form?
    Business process outsourcing (BPO) is the delegation of one or more IT-intensive business processes to an external provider that, in turn, owns, administrates and manages the selected processes based on defined and measurable performance metrics. more
    Does finance full form?
    business. a document that records an order for delivery of goods. ▶ USAGE The abbreviation for delivery order is D/O or d.o. Collins English Dictionary. Copyright © HarperCollins Publishers. more

    Source: binarythinktank.com

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