Alexander M. Ernst

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This article introduces the concept of enterprise architecture management (EAM) patterns, a pattern based approach for EA management. Three different types of patterns are presented. M-Patterns document proven-practice methodologies to address typical problems in EA management. V-Patterns represent best-practice visualizations, whereas I-Patterns indicate(More)
This paper sketches the approach we have taken in an extensive survey to evaluate existing tools providing support for enterprise architecture (EA) management. From there, we outline important strengths and weaknesses of existing EA management tools discovered in the survey and suggest some approaches for improving the tool support available in this field.(More)
This paper sketches an approach to designing organization-specific information models for Enterprise Architecture (EA) Management based on patterns. Thus we intend to support the construction of EA Management information models in research and practice, a field we view in need of approaches to manage the complexity of such models. Contributing to this(More)
Planning, managing, and maintaining the evolution of the application landscape is a focal point of enterprise architecture (EA) management. Whereas, planning the evolution of business support provided by the business applications is understood as one challenge to be addressed in landscape management, another challenge arises in the context of traceability(More)
Managing the evolution of the Enterprise Architecture (EA) is a key challenge for modern enterprises. Current approaches to address this challenge focus on EA plans, indicating projected future states of the architecture. Nevertheless, these plans neglect the role of the information technology (IT) project, which actually performs the transformation of the(More)
Giving account to the importance of enterprise architecture (EA) modeling, we identify issues in visualization handling that we came across during an extensive survey of existing tools for EA management. We then point to the fundamental principles of software cartography, an approach for EA modeling, including a method for the automatic creation of(More)
Projects are the executors of organizational change and hence in charge of the managed evolution of the application landscape in the context of enterprise architecture (EA) management. Although the aforementioned fact is widely agreed upon, no generally accepted information model addressing the challenges arising in the context of future planning and(More)
Enterprise Architecture (EA) management has been gaining importance in organizations, and while EA management frameworks provide a holistic and generic view on the subject, organizations introducing EA management are often left alone regarding the details of the approach. The EAM Pattern Catalog, presented in this article, is a collection of best practices(More)