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Published in: Business & Information Systems Engineering 2/2009

01-04-2009 | BISE – Research Paper

Virtual Decoupling for IT/Business Alignment – Conceptual Foundations, Architecture Design and Implementation Example

Authors: Dr.-Ing. Stephan Aier, Prof. Dr. Robert Winter

Published in: Business & Information Systems Engineering | Issue 2/2009

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Abstract

IT/business alignment is one of the main topics of information systems research. If IT artifacts and business-related artifacts are coupled point-to-point, however, complex architectures become unmanageable over time. In computer science, concepts like the ANSI/SPARC three-level database architecture propose an architecture layer which decouples external views on data and the implementation view of data. In this paper, a similar approach for IT/business alignment is proposed. The proposed alignment architecture is populated by enterprise services as elementary artifacts. Enterprise services link software components and process activities. They are aggregated into applications and subsequently into domains for planning/design and communication purposes. Most design approaches for the construction of enterprise services, applications and domains are top-down, i. e. they decompose complex artifacts on a stepwise basis. As an alternative which takes into account coupling semantics, we propose a bottom-up approach which is demonstrated for the identification of domains. Our approach is evaluated using a telecommunications equipment case study.

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Footnotes
1
Replacing direct m:n relationships with m:1 and 1:n relationships represents a specific solution. A general solution for coarsening is the replacement of direct m:n relationships with m:x and y:n relationships, where m>x and y<n. The following figures illustrate special solutions for the purpose of simplification; however, the explanations also remain valid for a general solution.
 
2
Connectivity elements primarily support consistent modeling. They ensure that continuous graphs can be drawn across various levels of detail within a model.
 
3
Events and operators were eliminated while transforming the model into a graph since they have no impact on the structure of an undirected graph.
 
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Metadata
Title
Virtual Decoupling for IT/Business Alignment – Conceptual Foundations, Architecture Design and Implementation Example
Authors
Dr.-Ing. Stephan Aier
Prof. Dr. Robert Winter
Publication date
01-04-2009
Publisher
SP Gabler Verlag
Published in
Business & Information Systems Engineering / Issue 2/2009
Print ISSN: 2363-7005
Electronic ISSN: 1867-0202
DOI
https://doi.org/10.1007/s12599-008-0010-7

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