System Design Document Template

For instructions on using this template, please see Notes to Author/Template Instructions on page 25. Notes on accessibility: This template has been tested and is best accessible with JAWS 11.0 or higher. For questions about using this template and To request changes to the template, please contact CMS IT Governance ([e-mail]).

1. System Design Document

Version X.X
MM/DD/YYYY

Table of Contents

1.Introduction 1
1.1Purpose of the SDD 1
2.General Overview and Design Guidelines/Approach 2
2.1General Overview 2
2.2Assumptions/Constraints/Risks 2
2.2.1Assumptions 2
2.2.2Constraints 2
2.2.3Risks 3
2.3Alignment with Federal Enterprise Architecture 3
3.Design Considerations 4
3.1Goals and Guidelines 4
3.2Development Methods & Contingencies 4
3.3Architectural Strategies 4
3.4Performance Engineering 5
4.System Architecture and Architecture Design 6
4.1Logical View 6
4.2Hardware Architecture 6
4.2.1Security Hardware Architecture 6
4.2.2Performance Hardware Architecture 7
4.3Software Architecture 7
4.3.1Security Software Architecture 8
4.3.2Performance Software Architecture 8
4.4Information Architecture 8
4.4.1Records Management 8
4.5Internal Communications Architecture 8
4.6Security Architecture 9
4.7Performance 9
4.8System Architecture Diagram 9
5.System Design 10
5.1Business Requirements 10
5.2Database Design 10
5.2.1Data Objects and Resultant Data Structures 10
5.2.2File and Database Structures 10
5.3Data Conversion 11
5.4User Machine-Readable Interface 11
5.4.1Inputs 11
5.4.2Outputs 12
5.5User Interface Design 12
5.5.1Section 508 Compliance 12