Enterprise Architect vs Solution Architect

This is often asked. To help the understanding of the audience I often use this 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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When is an IT Architecture obsolete ?

Today I came over this solution for an document storage and retrieval. With pretty hefty size requirements. Ok, I did it , but without false modesty I will admit that it struck me how simple and cost effective this architecture is. And still relevant, one year after. And this is equally if not even more interesting.

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