Segment Architecture

The FEA definition is:

"segment architecture is the IT architecture for an individual line of business (LoB) or common technology service and has more detail than the overall EA. A segment architecture is at the level where measurable results (performance improvement, cost reduction) can be achieved.”

Architecture segments consist of focused architecture efforts, such as a common architecture for administrative systems or the architecture for a major program area. The segment approach promotes the incremental development of architecture segments within a structured enterprise architecture framework. Focusing on segments reduces the complexity of the effort and can enable EA investment results to be delivered and realized sooner, similar to how an incremental build approach can deliver more rapid results in software development initiatives. Segments can be addressed in priority order or in parallel, given sufficient resources.

Segments enable collaboration. As segments become socialized, collaboration between business and technical organizations in support of business operations is expected to increase. Segments cross organizational, functional, and technical boundaries by creating an interlocking perspective for business processes, work and data flow, investment and budget, and technical solutions. Business owners, enterprise architects, IT developers, and executives will come together as entities such as Integrated Program Teams to create an optimized segment solution.

Thanks - Info obtained of the internet in a document HHS Governance Plan - v2.0 OMB 2.0 update2

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