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Essential Layers, Artifacts, and Dependencies of Enterprise Architecture

February 17, 2012 in Enterprise Architecture, Publikasi

By Robert Winter and Ronny Fischer

Abstract:

Abstract
After a period where implementation speed was more important than integration, consistency and reduction of complexity, architectural considerations have become a key issue of information management in recent years again. Enterprise architecture is widely accepted
as an essential mechanism for ensuring agility and consistency, compliance and efficiency. Although standards like TOGAF and FEAF have developed, however, there is no common agreement on which architecture layers, which artifact types and which dependencies
constitute the essence of enterprise architecture. This paper contributes to the identification of essential elements of enterprise architecture by (1) specifying enterprise architecture as a hierarchical, multilevel system comprising aggregation hierarchies,
architecture layers and views, (2) discussing enterprise architecture frameworks with regard to essential elements, (3) proposing interfacing requirements of enterprise architecture with other architecture models and (4) matching these findings with current enterprise
architecture practice in several large companies.

Keywords
enterprise architecture, architectural components, architectural layers, architectural
views, interfaces

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Bibiliografi Journal of Enterprise Architecture – May 2007

Towards an Enterprise Architecture for Public Administration Using a Top-Down Approach

February 17, 2012 in Enterprise Architecture, Publikasi

Vasilis Peristeras - Greek National Center for Public Administration

Prof. Konstantinos Tarabanis -University of Macedonia

Abstract:

The use of Enterprise Architectures is becoming increasingly widespread in the private sector. Borrowing insights from enterprise reference architectures developed during the last decade, IT vendors and companies belonging to specific industries are establishing reference data and process models advancing the standardization of their businesses and creating a more integrated environment for their activities. Although public administrations share the same problem of non-standardization, which is being magnified rapidly in a changing and demanding environment, little has been done so far in the direction of integration. This article builds a basis, shows initial directions and attempts to stimulate interest in a PA enterprise framework. Following a top-down approach and employing concepts from the fields of public administration, enterprise integration and generic process and data modeling the outline of the ArchPad enterprise architecture for Public Administration is presented.

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Bibiliografi