Federal Segment Architecture Methodology Toolkit
The FSAM is available as an online toolkit for agencies to download and use in developing segment architecture throughout their respective organizations. The toolkit includes the step-by-step guidance documents that describe the process steps, related activities, and specific tasks for developing a complete segment architecture. In addition, the toolkit includes best practice examples and templates for suggested analytical techniques that can be used when developing segment architectures.
Downloadable Format 
Download the Entire FSAM (2.7 MB)
Download the Individual FSAM Sections
FSAM Overview
FSAM Contributors
FSAM Process Step 1
FSAM Process Step 2
FSAM Process Step 3
FSAM Process Step 4
FSAM Process Step 5
Appendix I: Summary of FSAM Outputs
Appendix II: FSAM Logical Data Model Supporting EA Reporting Requirements
Appendix III: FSAM Mapping to DoDAF v1.5
FSAM Glossary
Analytical Techniques ![]()
Step 1 (4 MB)
Step 2 (8 MB)
Step 3 (10 MB)
Step 4 (7 MB)
Step 5 (5 MB)
Website Format 
Executive Overview
FSAM Contributors
Process Step Guidance Documents
Step 1: Determine Participants and Launch Project
Step 2: Define the Segment Scope and Strategic Intent
Step 3: Define Business and Information Requirements
Step 4: Define the Conceptual Solution Architecture
Step 5: Author the Modernization Blueprint
Outputs and Suggested Analytical Techniques
FSAM Data Model
