Collaborative Enterprise Architecture by Stefan Bente

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By Stefan Bente

  • ''This paintings for IT practitioners and bosses makes use of a conversational type and a feeling of humor because it penetrates the shroud of poser surrounding firm structure (EA).''--Reference and learn booklet News, December 2012

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Architecture is essentially meant to establish the structural foundation, behavioral characteristics, and principles that guide the creation, evolution, and operation of a system in the long run. In that way, architecture provides up-front knowledge about commonly accepted constraints and freedoms in the long-term design of the system and its constituent parts. It identifies: • • What in the system forms a stable foundation and hence is hard to change later on What else can remain dynamic and flexible in the long run The architecture, or rather certain parts of the architecture documentation, is also meant to act as a basis to communicate the system knowledge to its stakeholders.

The enterprise is parsimoniously balanced between cost savings and investments in initiatives. Budgets are flat, and new initiatives must be thoroughly justified. Breaking away. These are the happy days for new initiatives. Budgets are generous, and the challenge for IT is in keeping up with the growth, or even better, driving it. The second parameter following the business outlook that influences the need for standardization and integration is the competitive strategy. The economist Michael Porter (1998) describes three generic strategies that, on a rough scale, classify all approaches to competition.

On the business side, we have the business architecture that is concerned about the business goals, key performance indicators, organizational units, geographical locations, processes, business capabilities, and even more entities of the business realm. On the technology side there is the infrastructure architecture, consisting of servers, networks, data stores, software products, standards, frameworks, and further miscellaneous hardware and software thingies of which a runtime environment is composed.

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