What is Enterprise Architecture?

The definition of Enterprise Architecture

Enterprise Architecture is both the process and product of planning and designing an organization's information technology.
~ Simplicable

The detailed definition

Enterprise Architecture is the process of designing an organization's technology including:

1. A blueprint of business and technology
2. Business and IT strategy
3. The organization's aspirational IT roadmap

Enterprise Architecture seeks an efficient design for information technology. A design that breaks down technology silos and efficiently supports the needs of the business.
~ Simplicable

Industry definitions

Enterprise Architecture is the process of translating business vision and strategy into effective enterprise change by creating, communicating and improving the key requirements, principles and models that describe the enterprise's future state and enable its evolution.
~ Gartner

The analysis and documentation of an enterprise in its current and future states from an integrated strategy, business, and technology perspective.
~ International EA Institute

Enterprise architecture consists of the vision, principles and standards that guide the purchase and deployment of technology within an enterprise.
~Forester

Enterprise architecture is the process that interweaves business and IT together.
~Gartner

Enterprise Architecture is the organizing logic for key business processes and IT capabilities reflecting the integration and standardization requirements of the firm’s operating model.
~MIT