#non-functional-requirements articles

Aaditya MohanJul 26 · 7 min read

CAP Theorem Explained: Consistency, Availability, and Partition Tolerance

Definition CAP in one sentence: When a network partition occurs in a distributed system, you must choose between always returning the latest data (Consistency) and always remaining available to serve

aaditya-mohan.hashnode.dev

SapotaCorpJul 12 · 6 min read

Power Platform requirements: the non-functional ones decide the architecture

The Power Platform projects that go wrong at go-live usually did the obvious half of requirements gathering well. Someone sat with the business, wrote down everything the solution had to do, the scree

sapotacorpvn.hashnode.dev

Vaishnavi SharmaNov 25, 2025 · 3 min read

Design a System That Lets Users Upload and View Profile Pictures

This system must allow users to upload their profile picture, validate the file, store it safely, process it into multiple sizes, and make it load quickly anywhere in the world.Here is the complete design. Functional Requirements Users should be ab...

vaishnavisharma.hashnode.dev

Sandeep ChoudharyNov 6, 2025 · 6 min read

Defining Non Functional Requirements a.k.a NFRs in System Design

Introduction In the intricate world of system design, while functional requirements dictate what a system does, Non Functional Requirements define how well it does it. NFRs are crucial for building robust, scalable, and user friendly systems, yet the...

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Felipe RodriguesOct 31, 2025 · 15 min read

Understanding System Requirements and Constraints

The landscape of modern software engineering is littered with the remnants of ambitious projects that failed not due to a lack of technical prowess, but a fundamental misunderstanding of their own purpose. As senior engineers and architects, we often...

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Sachin TolayJul 12, 2025 · 6 min read

Core Attributes of Distributed Systems: Reliability, Availability, Scalability, and More

Whether you’re building a simple web app or a large distributed system, users don’t just expect it to work → they want it to be fast, always available, secure, and to run smoothly without unexpected interruptions. These expectations are captured in w...

nihcas.hashnode.dev

The BA EditApr 7, 2025 · 2 min read

Types of Requirements in Business Analysis: Explained with Real Examples

1. Business Requirements What it is: High-level statements of goals, objectives, or needs of the business. They explain why the project is being initiated. It serves as a foundation before diving into technical details. Purpose: To provide the busine...

thebaedit.hashnode.dev

Saurabh MahajanDec 5, 2024 · 6 min read

Beyond Features : Why Non-Functional Requirements Are the Backbone of Successful Systems

During the launch of healthcare.gov, the U.S. government’s online marketplace for health insurance, the website faced massive technical failures. Despite extensive planning, the site crashed due to poor scalability and insufficient load testing. Mill...

saurabhmahajan.blog

Shashwat GuptaNov 20, 2023 · 6 min read

Decoding BRD: A Dev's Guide to Functional and Non-Functional Requirements in Testing

Hey, devs! Today, we'll dive into the world of BRD - the Business Requirements Document. You might be thinking: "BRD, the acronym that sounds like it's hiding some pretty cool secrets, right?" But, without any complications, we'll demystify the meani...

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