EA Overview

Enterprise Architecture represents the fundamental description of an organisation, its structure, the information that it requires, the business processes that use and produce the information, its software applications that provide the services the business processes depend on, the structure of the application components, products, their interrelationships to each other and the technical infrastructure and environment in which they operate, all driven by the strategy, which states the principles, standards, etc. that govern their design and evolution over time. It also covers the performance and measures necessary to track the enterprise.

The Enterprise Architecture is used to support IT Management decisions for:

  • consolidation
  • improving performance
  • communication
  • governance and compliance
  • innovation
  • improving efficiency
  • making cost savings
  • realising strategies

What is an Architecture

An Architecture is the fundamental organisation of a system, embodied in its services and components, their relationships to each other and the environment, and the principles governing their design and evolution.
There is an analogy between the architecture of a building and the architecture of information systems.

Enterprise Architecture

An 'Enterprise Architecture' is a tool for:

  • communication
  • governance and compliance
  • innovation
  • consolidation
  • improving efficiency
  • making cost savings
  • realising strategies

An Enterprise Architecture is a set of models and documents that assists organisations to understand their own structure and the way they work.
It defined as the structure of all the systems belonging to an organisation in terms of its information, processes, applications, service, components, technology, the relationships between all the different perspectives and viewpoints and the underlying principles and processes that bind them all together.
It provides a repository of information that improves decision making regarding business and technology changes and systematic IT planning.

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