Challenges in migrating legacy software systems to the cloud — an empirical study

Article


Gholami, Mahdi Fahmideh, Daneshgar, Farhad, Beydoun, Ghassan and Rabhi, Fethi. 2017. "Challenges in migrating legacy software systems to the cloud — an empirical study." Information Systems. 67, pp. 100-113. https://doi.org/10.1016/j.is.2017.03.008
Article Title

Challenges in migrating legacy software systems to the cloud — an empirical study

ERA Journal ID39628
Article CategoryArticle
AuthorsGholami, Mahdi Fahmideh, Daneshgar, Farhad, Beydoun, Ghassan and Rabhi, Fethi
Journal TitleInformation Systems
Journal Citation67, pp. 100-113
Number of Pages14
YearJul 2017
PublisherElsevier
Place of PublicationUnited Kingdom
ISSN0306-4379
1873-6076
Digital Object Identifier (DOI)https://doi.org/10.1016/j.is.2017.03.008
Web Address (URL)https://www.sciencedirect.com/science/article/pii/S0306437917301564
Abstract

Moving existing legacy systems to cloud platforms is a difficult and high cost process that may involve technical and non-technical resources and challenges. There is evidence that the lack of understanding and preparedness of cloud computing migration underpin many migration failures in achieving organisations’ goals. The main goal of this article is to identify the most important challenging activities for moving legacy systems to cloud platforms from a perspective of reengineering process. Through a combination of a bottom-up and a top-down analysis, a set of common activities is derived from the extant cloud computing literature. These are expressed as a model and are validated using a population of 104 shortlisted and randomly selected domain experts from different industry sectors. We used a Web-based survey questionnaire to collect data and analysed them using SPSS Sample T-Test. The results of this study highlight the most important and critical challenges that should be addressed by various roles within a legacy to cloud migration endeavour. The study provides an overall understanding of this process including common occurring activities, concerns and recommendations. In addition, the findings of this study constitute a practical guide to conduct this transition. This guide is platform agnostic and independent from any specific migration scenario, cloud platform, or an application domain.

KeywordsCloud computing; Legacy systems; Cloud migration; Cloud migration process
ANZSRC Field of Research 2020460908. Information systems organisation and management
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Byline AffiliationsUniversity of New South Wales
University of Technology Sydney
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