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Segment architecture is a detailed, formal description of areas within an enterprise, used at the program or portfolio level to organize and align change activity. /ref>
It defines a simple roadmap for a core mission area, business service, or enterprise service. Segment architecture is driven by
business management
Business administration is the administration of a commercial enterprise. It includes all aspects of overseeing and supervising the business operations of an organization.
Overview
The administration of a business includes the performance o ...
and delivers products that improve the delivery of services to citizens and agency staff. From an investment perspective, segment architecture drives decisions for a
business case
A business case captures the reasoning for initiating a project or task. Many projects, but not all, are initiated by using a business case. It is often presented in a well-structured written document, but may also come in the form of a short ver ...
or group of business cases supporting a core mission area or common or shared service. The primary stakeholders for segment architecture are business owners and managers. Segment architecture is related to
Enterprise architecture
Enterprise architecture (EA) is a business function concerned with the structures and behaviours of a business, especially business roles and processes that create and use business data. The international definition according to the Federation of ...
(EA) through three principles:
* Structure: segment architecture inherits the framework used by the EA, although it may be extended and specialized to meet the specific needs of a core mission area or common or shared service.
* Reuse: segment architecture reuses important assets defined at the enterprise level including: data; common
business process
A business process, business method, or business function is a collection of related, structured activities or tasks performed by people or equipment in which a specific sequence produces a service or product (that serves a particular business g ...
es and investments; and applications and technologies.
* Alignment: segment architecture aligns with elements defined at the enterprise level, such as business strategies, mandates, standards, and performance measures.
See also
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Enterprise architecture
Enterprise architecture (EA) is a business function concerned with the structures and behaviours of a business, especially business roles and processes that create and use business data. The international definition according to the Federation of ...
*
Solution architecture
Solution architecture is a term used in information technology with various definitions, such as "a description of a discrete and focused business operation or activity and how IS/ IT supports that operation".
Definitions
The Open Group's defin ...