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The National Computing Centre's EA best practice guidance states that an EA typically "takes the form of a comprehensive set of cohesive models that describe the structure and functions of an enterprise. The individual models in an EA are arranged in a logical manner that provides an ever-increasing level of detail about the enterprise." [6]
Enterprise architecture regards the enterprise as a large and complex system or system of systems. [3] To manage the scale and complexity of this system, an architectural framework provides tools and approaches that help architects abstract from the level of detail at which builders work, to bring enterprise design tasks into focus and produce valuable architecture description documentation.
The Enterprise Continuum is a way of classifying solutions and architectures on a continuum that range from generic foundation architectures through to tailored organization-specific both within and outside the Architecture Repository. [19] These include architectural models, architectural patterns, architecture descriptions, and other artifacts.
Federated Enterprise Architecture is a collective set of organizational architectures (as defined by the enterprise scope), operating collaboratively within the concept of federalism, in which governance is divided between a central authority and constituent units balancing organizational autonomy with enterprise needs.
The models describe the position of the organizational unit that is performing service integration and management: [2] Internal service integrator: The client itself can take responsibility for service integration. Its retained organization is accountable for coordinating and integrating the services.
Choosing a structure for a company is an important decision and must be strategically thought out because it could either aid or harm the making of business. The structure must also be a good fit for the type of activities, goals, and vision of the company. [3] The organizational structure is a reflection of how conveniently business is conducted.
Whilst security architecture frameworks are often custom designed in enterprise organisations, several models are commonly used and adapted to the individual requirements of the organisation Commonly used frameworks include: SABSA framework and methodology; The U.S. Department of Defense (DoD) Architecture Framework (DoDAF)
A functional organizational structure is a structure that consists of activities such as coordination, supervision and task allocation. The organizational structure determines how the organization performs or operates. The term "organizational structure" refers to how the people in an organization are grouped and to whom they report.