Software Requirements Specification

Software Requirements Specification

A Software Requirements Specification (SRS) is a complete description of the behavior of the system to be developed. It includes a set of use cases that describe all the interactions the users will have with the software. Use cases are also known as functional requirements. In addition to use cases, the SRS also contains nonfunctional (or supplementary) requirements. Non-functional requirements are requirements which impose constraints on the design or implementation (such as performance engineering requirements, quality standards, or design constraints).

General Outline of an SRS

Software Requirements Specifications (SRS) Cover Page Revisions Page Table of Contents 1 INTRODUCTION 1.1 Product Overview 1.2 Purpose 1.3 Scope 1.4 Reference 1.5 Definition And Abbreviation 2 SPECIFIC REQUIREMENTS 2.1 External Interface Requirements 2.1.1 User Interfaces 2.1.2 Hardware Interfaces 2.1.3 Software Interfaces 2.1.4 Communications Protocols 2.1.5 Memory Constraints 2.1.6 Operation 2.1.7 Product function 2.1.8 Assumption and Dependency 2.2 Software Product Features 2.3 Software System Attributes 2.3.1 Reliability 2.3.2 Availability 2.3.3 Security 2.3.4 Maintainability 2.3.5 Portability 2.3.6 Performance 2.4 Database Requirements 3 ADDITIONAL MATERIAL

See also

* Design specification
* Functional specification
* Product design specification
* Requirements analysis
* Software development process
* Specification (technical standard)
* Specification and Description Language
* System requirements
* Verification and Validation (software)


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