NASA Procedural Requirements

NPR 7150.2D Effective Date: March 08, 2022 Expiration Date: March 08, 2027

Subject: NASA Software Engineering Requirements

Responsible Office: Office of the Chief Engineer

Table of Contents

Preface

P.1 Purpose
P.2 Applicability
P.3 Authority
P.4 Applicable Documents and Forms
P.5 Measurement/Verification
P.6 Cancellation

Chapter 1. Introduction

1.1 Overview
1.2 Hierarchy of NASA Software-Related Engineering and Program/Project Documents
1.3 Document Structure

Chapter 2. Roles, Responsibilities, and Principles Related to Tailoring of the Requirements

2.1 Roles and Responsibilities
2.2 Principles Related to Tailoring of the Requirements

Chapter 3. Software Management Requirements

3.1 Software Life Cycle Planning
3.2 Software Cost Estimation
3.3 Software Schedules
3.4 Software Training
3.5 Software Classification Assessments
3.6 Software Assurance and Software Independent Verification & Validation
3.7 Safety-Critical Software
3.8 Automatic Generation of Software Source Code
3.9 Software Development Processes and Practices
3.10 Software Reuse
3.11 Software Cybersecurity
3.12 Software Bi-Directional Traceability

Chapter 4. Software Engineering (Life Cycle) Requirements

4.1 Software Requirements
4.2 Software Architecture
4.3 Software Design
4.4 Software Implementation
4.5 Software Testing
4.6 Software Operations, Maintenance, and Retirement

Chapter 5. Supporting Software Life Cycle Requirements

5.1 Software Configuration Management
5.2 Software Risk Management
5.3 Software Peer Reviews/Inspections
5.4 Software Measurements
5.5 Software Non-conformance or Defect Management

Chapter 6. Recommended Software Documentation Contents

6.1 Software Engineering Products
6.2 Software Engineering Product Content

Appendix A. Definitions
Appendix B. Acronyms
Appendix C. Requirements Mapping Matrix
Appendix D. Software Classifications
Appendix E. References

List of Figures

Figure 1. NASA Software Classification Structure

List of Tables

Table 1. Bi-directional traceability by software classification
Table 2. Requirements Mapping Matrix

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