Enterprise Application Architecture Perspectives

Information in the enterprise architecture can be viewed from many perspectives and it can satisfy many needs. But four general perspectives are important and are commonly used. These are the business, application, information, and technology perspectives.

The business perspective
The business perspective describes how a business works. It includes broad business strategies along with plans for moving the organization from its current state to an envisaged future state. It will typically include the following:

• The enterprise's high-level objectives and goals.
• The business processes carried out by the entire enterprise, or a significant portion of the enterprise.
• The business functions performed.
• Major organizational structures.
• The relationships between these elements.

The application perspective

The application perspective defines the enterprise's application portfolio and is application-centered. This view will typically include:

• Descriptions of automated services that support the business processes.
• Descriptions of the interaction and interdependencies (interfaces) of the organization's application systems.
• Plans for developing new applications and revising old applications based on the enterprises objectives, goals, and evolving technology platforms.

The information perspective

The information perspective describes what the organization needs to know to run its business processes and operations. It includes:

• Standard data models.
• Data management policies.
• Descriptions of the patterns of information production and consumption in the organization.

The technology perspective

The technology perspective lays out the hardware and software supporting the organization. It includes, but is not limited to:

• Desktop and server hardware.
• Operating systems.
• Network connectivity components.
• Printers.
• Modems.

For detailed Information

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