Technical Architecture Perspective and Enterprise Technical Architecture Development
The article explains the concept of technical architecture, its role in defining reusable standards and guidelines, and outlines how to initiate enterprise technical architecture work by modeling future and current states, analyzing gaps, and organizing technical domains, patterns, and services for end‑to‑end solutions.
Technical Architecture Perspective
Technical architecture (or enterprise technical architecture, ETA) defines reusable standards and guidelines for technology and product usage, describing how components interoperate and support other viewpoints such as business and information.
Enterprise technical architecture should not only provide component‑level recommendations but also specify which combinations or configurations of these components are to be repeatedly implemented (technical patterns) and which are to be shared as infrastructure (technical services).
Initiating Enterprise Technical Architecture Development
The process starts with defining a future state—identifying requirements, establishing EA principles, and creating a future‑state model—followed by defining the current state, performing gap analysis, and creating a migration roadmap.
All models are generated from the EA process; practitioners must follow the process to produce the models.
Enterprise Technical Architecture Organizational Concepts
Technical Domains : Traditional technical architecture groups components into domains based on technical or organizational similarity; common domains include networking and databases.
Although technical domain models are necessary and useful, they are not sufficient; a holistic end‑to‑end view is required so designers can express models that effectively convey application and shared‑service delivery goals.
Technical Patterns : Patterns help map business requirements to technical (infrastructure) design, encapsulating all components needed for a class of applications.
Technical Services : Services are reusable components (including processes and people) that may not be required by every application; they often consist of components from multiple domains, such as WAN, mainframes, data‑warehouse integration, or transaction integration (EAI, IEI). Frameworks like Java EE can also be considered.
Below is an example of a 3‑tier transaction pattern‑
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