Enterprise Architect vs Solution Architect

(Update: To illustrate the “knot-weed ” that can grow out of fertile misunderstandings of architectural roles in an organization, perhaps  this might be one sobering example)

One question is often asked, at least into my direction. What is the actual difference between Enterprise Architect and Solution Architect?  To help the understanding of the audience I often use the following analogy:

The Enterprise Architect is like a town planner. Solution Architect is designing the buildings in that town.

Thus Solution Architecture starts inside the boundaries defined by enterprise architecture.

With my TOGAF hat on, I would say: Top level Architecture continuum of an organization is defined by Enteprise Architecture. Principles and Artefacts and Reusable Blocks.

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