System Requirements Specification (SyRS)

Document Version: 1.0 Date: [Date] Author: iReDev AnalystAgent Status: Draft


1. Introduction

1.1 Purpose

State the purpose of this System Requirements Specification and identify the product(s) to which it applies.

1.2 Scope

Describe the scope of the system, including its name, what it will and will not do, and the application benefits, objectives, and goals.

1.3 Document Overview

Summarize the structure of this document and explain the organization of the content.

1.4 Definitions, Acronyms, and Abbreviations

Term Definition
[Term] [Definition]

1.5 References

List all standards, documents, and other resources referenced in this specification.


2. System Overview

Provide a high-level description of the system, including its major components, the external systems it interacts with, and its operational environment.


3. Functional Requirements

Describe what the system must do. Each functional requirement should be uniquely identified, testable, and traceable to user requirements.

FR-001: [Requirement Title]

  • Description: [Precise description of the functionality]
  • Priority: High / Medium / Low
  • Source: [Traceability to UserRD section or user story]
  • Input: [What data or events trigger this function]
  • Processing: [What the system does]
  • Output: [What result or response is produced]

FR-002: [Requirement Title]

  • Description: [Precise description of the functionality]
  • Priority: High / Medium / Low
  • Source: [Traceability to UserRD]
  • Input: [Inputs]
  • Processing: [Processing logic]
  • Output: [Outputs]

4. Quality Attributes (Non-Functional Requirements)

4.1 Performance

Specify measurable performance requirements such as response time, throughput, and capacity.

  • PERF-001: [Performance requirement with measurable target]
  • PERF-002: [Performance requirement with measurable target]

4.2 Security

  • SEC-001: [Authentication and authorization requirements]
  • SEC-002: [Data protection and encryption requirements]

4.3 Reliability & Availability

  • REL-001: [Uptime target, e.g., “The system shall be available 99.9% of the time”]
  • REL-002: [Fault tolerance and recovery requirements]

4.4 Maintainability

  • MAINT-001: [Code quality, documentation, or modularity requirements]

4.5 Usability

  • USE-001: [User interface and interaction standards]
  • USE-002: [Accessibility requirements]

4.6 Scalability

  • SCALE-001: [Horizontal/vertical scaling expectations]

4.7 Portability

  • PORT-001: [Platform, OS, or deployment environment requirements]

5. Constraints

Describe all constraints that restrict the design and implementation of the system.

5.1 Technology Constraints

  • CON-001: [Technology stack or platform restriction]

5.2 Regulatory & Compliance Constraints

  • CON-002: [Legal, regulatory, or standards compliance requirement]

5.3 Resource Constraints

  • CON-003: [Budget, time, or team size constraints]

6. Business Rules

List the business rules that govern the system’s behavior, independent of implementation.

ID Rule Description Source
BR-001 [Business rule text] [BRD / UserRD section]
BR-002 [Business rule text] [BRD / UserRD section]

7. External Interface Requirements

7.1 User Interfaces

Describe the general characteristics of the user interface(s), including layout standards, navigation, and interaction models.

7.2 Hardware Interfaces

Describe any required interfaces with hardware systems or devices.

7.3 Software Interfaces

Describe any required interfaces with other software systems, APIs, or services.

7.4 Communication Interfaces

Describe network, protocol, or data format standards required.


8. System Behavior Under Special Conditions

Describe how the system should behave during error conditions, edge cases, or exceptional situations.

  • ERR-001: [Error scenario and expected system response]
  • ERR-002: [Error scenario and expected system response]

9. Traceability Matrix

SyRS ID Requirement Description Source (UserRD / BRD)
FR-001 [Requirement] UserRD §[section]
FR-002 [Requirement] UserRD §[section]

10. Open Issues

List any unresolved questions, ambiguities, or pending decisions that must be addressed before finalizing requirements.

ID Issue Owner Target Resolution Date
OI-001 [Issue description] [Owner] [Date]