Treasury Enterprise Architecture Framework

[3] The material presented here is obsolete and only useful for historical reference and is not the current policy in use by the Department of the Treasury.

This framework guides the development and redesign of the business processes for various bureaus in order to meet the requirements of recent legislation in a rapidly changing technology environment.

Through its explicit models, a TEAF-based architecture enables the identification and reasoning of enterprise- and system-level concerns and investment decisions.

The Treasury Enterprise Architecture will provide a framework to guide IT investment planning, streamline systems, and ensure that IT programs align with business requirements and strategic goals.

This architectural consistency will facilitate integration, information sharing, and exploitation of common requirements across Treasury.

To reduce the complexity and scope of developing and using an Enterprise Architecture, it must be subdivided so that portions may be used independently or built incrementally in separate projects.

The TEAF matrix aims to provide a simple, uniform structure to an entire framework.

As depicted in the figure, the TEAF matrix consists of four architectural views (Functional, Information, Organizational, and Infrastructure), which are shown as columns, and four perspectives (Planner, Owner, Designer, and Builder), which appear as rows.

The Enterprise Life Cycle applies to enterprise-wide planning activities and decision making.

[2] The figure on the left depicts notional activities of an Enterprise Life Cycle methodology.

It describes the enterprise information systems architecture and its components, including the architecture’s purpose, benefits, characteristics, and structure.

One of these frameworks should provide a means to logically structure and organize the selected EA products.

A system interface is a simplified or generalized representation of a communications pathway or network, usually depicted graphically as a straight line, with a descriptive label.

TEAF Work Products for EA Direction, Description, and Accomplishment. [ 1 ]
TEAF view model . [ 1 ]
Blueprint Roadmap to Treasury IT Modernization. [ 5 ]
EA Development Environment. [ 2 ]
Overview of a Framework for EA Direction, Description, and Accomplishment Overview. [ 2 ]
TEAF matrix of views and perspectives. [ 2 ]
TEAF enterprise life cycle activities [ 2 ]
TEAF Products. [ 1 ]
System Interface Description, Levels 1, 2, 3, 4—Generic Examples.