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Before we begin you must know –

The difference between a Requirement and a Specification

Requirements
Specifications
They outline “what” the software must do They outline “how” the software will be created
They outline the software from the end-user , business and stakeholder perspective. They outline the software from the technical team perspective.

There are a plethora of terms and terminology for various documents

Specification Documents like -

  • SRS - System Requirement Specifications
  • FRS - Functional Requirement Specifications
  • BRS - Business Requirement Specification
  • CRS- Compatibility Requirements Specifications
  • PRS - Performance Requirements Specifications
  • RRS- Reliability Requirements Specifications
  • CRS-Configurations Requirements Specification

Requirement Documents like -

  • BRD - Business Requirement Document
  • SRD - System Requirement Document

Points To Ponder

  • In many places these documents are not separate and are used interchangeably.
  • Specifications and requirements roughly communicate the same information, but to two completely different audiences.
  • For a given project which documents of above are created, depends on the “nature” of the project and the organizational “processes”

In this tutorial we will discuss SRS and BRS

BRS Vs SRS : The Myth Busted

BRS ( Business Requirement Specification)
SRS (System Requirement Specification)
It describes at very high level the functional specifications of the software It describes at a high level , the functional and technical specification of the software
It is a formal document describing about the requirement provided by client (written, verbal) It specifies the functional and non-functional requirements of the software to be developed
Usually its created by the Business Analyst who interacts with clients Usually its created by the System Architect who is an technical expert .

Though in smaller companies the BA will create SRS as well.

Some companies do not create SRS altogether. Their BRS is detailed enough to be used as SRS as well.

It is derived from client interaction and requirements It is derived from the BRS

 

 

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