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What is BRD? How is it different from SRS?

In the software development process, it is essential to have clear and concise documentation that outlines the requirements of the project. Two of the most important documents in this process are the Business Requirements Document (BRD) and the Software Requirements Specification (SRS).

In this blog post, we will explore what BRD and SRS are, and how they differ from each other.

Business Requirements Document (BRD)

  • A Business Requirements Document (BRD) is a formal document that outlines the business requirements of a software project.
  • It acts as a blueprint for the entire project and provides a clear understanding of the project goals, objectives, and scope.
  • This document is usually written by business analysts or project managers in collaboration with stakeholders to ensure that everyone involved in the project understands the goals and objectives.

Software Requirements Specification (SRS)

  • A Software Requirements Specification (SRS) is a document that outlines the technical requirements of a software project.
  • The SRS is typically written by system analysts or technical architects in collaboration with the business stakeholders
  • These requirements can be categorized into various types, as listed below:
    • Functional Requirements: These requirements define the features and functionalities of the software system. They describe what the system should do, how it should behave in response to different inputs and under different conditions, and the output it should generate.
    • Non-functional Requirements: These requirements describe the characteristics of the software system, such as performance, scalability, reliability, security, and usability..

 BRD is different from the SRS

  • While both the BRD and SRS are essential documents in software development, they serve different purposes.
  • The BRD is written from a business perspective, and the SRS is written from a technical perspective.
  • The main differences between the two are as follows:
    • Purpose: The BRD outlines the business requirements of the software project from a high-level perspective, while the SRS details the technical requirements of the software system in a more granular level.
    • Focus: The BRD focuses on the business problem, processes, and stakeholders, while the SRS focuses on the functional and non-functional requirements of the software system.
    • Audience: The BRD is intended for a broader audience, including business stakeholders, sponsors, and project managers, while the SRS is intended for the development team, including software engineers, designers, and testers.
    • Scope: The BRD defines the project scope, including the goals, objectives, and inclusions/exclusions, while the SRS defines the software scope, including the features, functions, and capabilities of the software system.
    • Level of Detail: The BRD typically includes information such as project goals, stakeholders, timelines, and budget, while the SRS provides a detailed specification of the software system, including its system behavior, software modules, user interface, database design, and security requirements.

In conclusion, the BRD and SRS are two crucial documents in software development that serve different purposes. By understanding the differences between these two documents, software development teams can ensure that they are meeting both the business and technical requirements of a project

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