Concept and mechanism
Enterprise architecture helps explain how an organization’s parts support outcomes and how they can change coherently. In a banking project, replacing middleware is a technical decision within a system containing order approval, data meaning, consuming applications, and operations. Drawing only servers may hide the actual failure cause. Distinguish baseline, target, and gaps: the current state, intended state, and what needs to change. The target does not prove implementation, and a gap is not yet an executable plan. These distinctions help a technical manager coordinate contributions without reducing discussion to product purchasing.
Guided application
TOGAF provides a method and guidance for organizing architecture; a language such as ArchiMate helps represent it. A diagram does not assign approval authority. Principles guide choices, but their application needs requirements and authorized exceptions. If the organization favors reuse and an existing service lacks a critical capability, assess fitness and alternatives instead of hiding the gap. For management, show the obsolescence risk addressed and expected value. For APS, show restore dependencies, responsibilities, and operating conditions. Views can have different detail while remaining connected to the same facts. The Foundation path develops understanding and vocabulary; it does not demonstrate complete professional architect competence.
A faster server does not itself fix an approval rule preventing order dispatch.
Common pitfalls
Diagram as governance; target as reality; principle as a requirement waiver; technology without context.
Related topics: Prepare work and define architecture · From design to implementation and change
Start with the outcome and the relationships making it possible.
Reference: How ArchiMate and TOGAF complement each other · OGEA-101, TOGAF Enterprise Architecture Foundation; body of knowledge drawn from TOGAF Standard, 10th Edition