The Oklahoma Department of Human Services (OKDHS) Enterprise Architecture Methodology is based on the Zachman Framework (Link opens in a new window). A methodology is a set of processes and documents one follows to document and use the framework.

The OKDHS methdology contains three modules.

1. Documenting the "As-Is" architecture - The "as-is" state is the current state of the business. This process will document from five to thirty cells of the Zachman Framework (Link opens in a new window), depending on the level of information needed for the effort that is being undertaken.
2. Documenting the "To-Be" architecture - The "to-be" state is the desired future state of the business. This architecture will document all 30 cells of the Zachman Framework (Link opens in a new window).
3. Performing the gap analysis - Once the "as-is" state and the "to-be" states are documented, the project team will identify the gaps and develop a road map or implementation plan to reach the desired future state.

Get more information about the Zachman Framework for Enterprise Architecture (Link opens in a new window).