Success Factors in Managing Legacy System Evolution: A Case Study

In this paper, we attempt to understand what contributes to a successful process for managing legacy system evolution. We provide an analysis of a number of key performance indicators such as cost, duration, and defects. By normalizing through function points, we furthermore compare to a larger benc...

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Published in:2016 IEEE/ACM International Conference on Software and System Processes (ICSSP) pp. 96 - 105
Main Authors: Huijgens, Hennie, van Deursen, Arie, van Solingen, Rini
Format: Conference Proceeding
Language:English
Published: ACM 01.05.2016
Subjects:
Aging
Benchmark testing
Companies
Cost Duration Matrix
Interviews
Production
Release-Based Software Engineering
Scrum
Software
Software Engineering Economics
Stakeholders
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Abstract In this paper, we attempt to understand what contributes to a successful process for managing legacy system evolution. We provide an analysis of a number of key performance indicators such as cost, duration, and defects. By normalizing through function points, we furthermore compare to a larger benchmark. To do so we performed a mixed, retrospective case study on a series of nine software releases and eight single once-only releases, all performing on a single, legacy software system, in a West-European telecom company. We interviewed eleven stakeholders that were closely involved in the subject software releases. As a result, we listed a number of observations from the quantitative and qualitative analysis. We found that a release process that performs above average on cost and duration satisfies stakeholders through fast response and direct value, even when the reliability and availability of the actual system is weak.
AbstractList In this paper, we attempt to understand what contributes to a successful process for managing legacy system evolution. We provide an analysis of a number of key performance indicators such as cost, duration, and defects. By normalizing through function points, we furthermore compare to a larger benchmark. To do so we performed a mixed, retrospective case study on a series of nine software releases and eight single once-only releases, all performing on a single, legacy software system, in a West-European telecom company. We interviewed eleven stakeholders that were closely involved in the subject software releases. As a result, we listed a number of observations from the quantitative and qualitative analysis. We found that a release process that performs above average on cost and duration satisfies stakeholders through fast response and direct value, even when the reliability and availability of the actual system is weak.
Author van Solingen, Rini
van Deursen, Arie
Huijgens, Hennie
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  givenname: Arie
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  givenname: Rini
  surname: van Solingen
  fullname: van Solingen, Rini
  email: d.m.vansolingen@tudelft.nl
  organization: Delft Univ. of Technol., Delft, Netherlands
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Snippet In this paper, we attempt to understand what contributes to a successful process for managing legacy system evolution. We provide an analysis of a number of...
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StartPage 96
SubjectTerms Aging
Benchmark testing
Companies
Cost Duration Matrix
Interviews
Production
Release-Based Software Engineering
Scrum
Software
Software Engineering Economics
Stakeholders
Title Success Factors in Managing Legacy System Evolution: A Case Study
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