System Design Document Template

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What is it?
The System Design Document describes how to transform the requirements and the functional design into more technical system design specifications

Who uses it?
Technical Architect, Business Analyst, Development Manager, Project Manager, IT Manager, System Administrator.

When is it used?
This template is used to provide a high-level description of the objectives of the System Design Document. It explains how the System Design Document will transform the requirements and the functional design into more technical system design specifications.

Table of Contents

1    Introduction
1.1    Purpose of this document
1.2    Objectives
1.3    Identification
1.4    Scope
1.5    References
1.6    Key Stakeholders
1.7    Points of Contact
1.8    Methodology, Tools, and Techniques
1.9    Policies, Directives and Procedures

2    System Architecture
2.1    Hardware
2.2    Data Communications
2.3    Software
2.4    Architecture Diagram

3    Data Design
3.1    Data Objects and Resultant Data Structures
3.2    File and Database Structures

4    Modular Design
4.1    Modules
4.2    Processing Narrative
4.3    Internal Data Structures
4.4    Programme Language

5    Project Management
5.1    Priorities
5.2    Schedule
5.3    Tasks
5.4    Constraints
5.5    Issues
5.6    Assumptions
5.7    Dependencies
5.8    Suspension / Exit Criteria
5.9    Resumption Criteria
5.10    Dependencies
5.10.1    Personnel Dependencies
5.10.2    Software Dependencies
5.10.3    Hardware Dependencies
5.11    Test Data
5.12    Risks
5.12.1    Schedule
5.12.2    Technical
5.12.3    Management
5.12.4    Personnel
5.12.5    Requirements
5.13    Documentation
5.14    Approvals

6    Project Team
6.1    Roles and Responsibilities
6.2    Sign-Off Criteria
6.3    Training

7    Appendices
7.1    Requirements Traceability Matrix
7.2    Packaging and Installation
7.3    Design Metrics
7.4    Glossary of Terms

Index of Tables

Table 1 - Schedule
Table 2 – Constraints
Table 3 – Issues
Table 4 - Assumptions
Table 5 – Dependencies
Table 6 - Approvals
Table 7 - Roles and Responsibilities
Table 8 - Signoff Criteria
Table 9 - Glossary of Terms

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