AI Agent Logical Architecture

From Zachman to Three Amigos Everyone is rushing to build AI agents, but far too many teams are starting in the wrong place. They begin with a model, a framework, a vector database, or a cloud service and then try to “architect” the rest around those choices. That is backwards. A serious enterprise system begins with a logical architecture: a technology-neutral description of what the system is, how its parts relate, what decisions it must support, and what controls must exist before a single line of implementation code is written. That discipline is not new. Enterprise architecture has long taught that you should understand the structure of the system before choosing the machinery used to realize it. Zachman’s framework is fundamentally a classification scheme for describing the enterprise comprehensively, while TOGAF gives a method for developing and governing architecture through disciplined iteration. RUP adds another important lesson: architecture should be established early, vali