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Home > About FDsys > FDsys Design Document > 

FDsys System Design Document (SDD)

The System Design Document (SDD) for FDsys consists of multiple volumes of individual design documents. These design documents contain the high-level architecture as well as separate detailed design documents for each of the major components of the system.
The FDsys SDD contains the following volumes:

  • Architecture
  • Consistency Check
  • Continuity of Access (COA)
  • Continuity of Operations (COOP)
  • Custom Application
  • File Processor
  • Metadata Editor
  • Publish
  • Repository
  • Search API
  • Search Configuration
  • Site Map

GPO is also making available an example of a Data Management Document (DMD), which contains detailed data processing information for each type of the publication collection that is managed by the system.

GPO is making the SDD publicly available for reference and reuse.  The SDD volumes will be released incrementally, and represent FDsys as of Release 1. These documents are provided for informational purposes only and do not obligate the GPO in any way.  GPO reserves the right to make changes to these documents as program needs demand. Updates to the SDD will be released at the discretion of GPO, as volumes are added or revised.

Please direct any questions or comments regarding the FDsys SDD to the Office of Programs, Strategy, and Technology at

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