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Software Systems In-House Integration: Architecture, Process Practices and Strategy Selection
Mälardalen University, Department of Computer Science and Electronics.
Mälardalen University, School of Innovation, Design and Engineering.ORCID iD: 0000-0002-5278-755X
2007 (English)In: Information and Software Technology, ISSN 0950-5849, Vol. 49, no 5, 419-444 p.Article in journal (Refereed) Published
Abstract [en]

As organizations merge or collaborate closely, an important question is how their existing software assets should be handled. If these previously separate organizations are in the same business domain - they might even have been competitors - it is likely that they have developed similarsoftware systems. To rationalize, these existing software assets should be integrated, in the sense that similar features should be implemented only once. The integration can be achieved in different ways. Success of it involves properly managing challenges such as making as well founded decisions as early as possible, maintaining commitment within the organization, managing the complexities of distributed teams, and synchronizing theintegration efforts with concurrent evolution of the existing systems. This paper presents a multiple case study involving nine cases of such in-houseintegration processes. Based both on positive and negative experiences of the cases, we pinpoint crucial issues to consider early in the process, and suggest a number of process practices.

Place, publisher, year, edition, pages
2007. Vol. 49, no 5, 419-444 p.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:mdh:diva-4006DOI: 10.1016/j.infsof.2006.07.002ISI: 000246045200001Scopus ID: 2-s2.0-33847683943OAI: oai:DiVA.org:mdh-4006DiVA: diva2:120523
Available from: 2006-07-18 Created: 2006-07-18 Last updated: 2014-06-23Bibliographically approved
In thesis
1. Software Systems In-House Integration: Observations and Guidelines Concerning Architecture and Process
Open this publication in new window or tab >>Software Systems In-House Integration: Observations and Guidelines Concerning Architecture and Process
2006 (English)Doctoral thesis, comprehensive summary (Other scientific)
Abstract [en]

Software evolution is a crucial activity for software organizations. A specifc type of software evolution is the integration of previously isolated systems. The need for integration is often a consequence of different organizational changes, including merging of previously separate organizations. One goal of software integration is to increase the value to users of several systems by combining their functionality, another is to reduce functionality overlap. If the systems are completely owned and controlled in-house, there is an additional advantage in rationalizing the use of internal resources by decreasing the amount of software with essentially the same purpose. Despite in-house integration being common, this topic has received little attention from researchers. This thesis contributes to an increasing understanding of the problems associated with in-house integration and provides guidelines to the more efficient utilization of the existing systems and the personnel.

In the thesis, we combine two perspectives: software architecture and processes. The perspective of software architecture is used to show how compatibility analysis and development of integration alternatives can be performed rapidly at a high level of abstraction. The software process perspective has led to the identification of important characteristics and practices of the integration process. The guidelines provided in the thesis will help those performing future in-house integration to make well-founded decisions timely and efficiently.

The contributions are based on several integration projects in industry, which have been studied systematically in order to collect, evaluate and generalize their experiences.

Place, publisher, year, edition, pages
Västerås: Institutionen för Datavetenskap och Elektronik, 2006. 320 p.
Series
Mälardalen University Press Dissertations, ISSN 1651-4238 ; 31
Keyword
Architectural Compatibility, Software Architecture, Software Integration, Software Merge, Software Processes, Strategic Decisions
National Category
Computer Science
Research subject
Datavetenskap
Identifiers
urn:nbn:se:mdh:diva-146 (URN)91-85485-20-9 (ISBN)
Public defence
2006-09-15, Zeta, T, Högskoleplan 1, Västerås, 10:00
Opponent
Supervisors
Available from: 2006-07-18 Created: 2006-07-18

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CiteExportLink to record
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Citation style
  • apa
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