Implementation Strategies

To achieve the benefits of an enterprise-standards-based architecture, all information technology investments shall conform to the established EWTA that is designed to ensure the integrity and interoperability of information technologies for budget units. Statewide Standard P340-S340, Project Investment Justification (PIJ), defines conformance with the established EWTA and associated Statewide Policies and Standards. 

Arizona’s EWTA has been designed to maximize current investments in technology, provide a workable transition path to targeted technologies, maintain flexibility, and to enhance interoperability and sharing.

The implementation of EA is project-based. Within the context of the Arizona Enterprise Architecture Implementation Process Flow, budget units assess their existing technologies relative to target technologies and business needs associated with a given project. Where gaps exist between existing and target technologies, the budget unit should identify them in the annual IT Plan submittal. Before the budget unit initiates the IT project or investment to close the gap, it submits a Project Investment Justification (PIJ) for necessary approvals. Variances from the established EWTA shall be documented and justified in the appropriate section of the PIJ document.

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