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Download (5MB) This work is protected by copyright and other intellectual property rights and duplication or sale of all or part is not permitted, except that material may be duplicated by you for research, private study, criticism/review or educational purposes. Electronic or print copies are for your own personal, non- commercial use and shall not be passed to any other individual. No quotation may be published without proper acknowledgement. For any other use, or to quote extensively from the work, permission must be obtained from the copyright holder/s. An assessment model for Enterprise Clouds adoption Usman Nasir PhD (Computer Science) December 2017 Keele University, UK An assessment model for Enterprise Clouds adoption ABSTRACT Context: Enterprise Cloud Computing (or Enterprise Clouds) is using the Cloud Computing services by a large-scale organisation to migrate its existing IT services or use new Cloud based services. There are many issues and challenges that are barrier to the adoption of Enterprise Clouds. The adoption challenges have to be addressed for better assimilation of Cloud based services within the organisation. Objective: The aim of this research was to develop an assessment model for adoption of Enterprise Clouds. Method: Key challenges reported as barrier in adoption of Cloud Computing were identified from literature using the Systematic Literature Review methodology. A survey research was carried out to elicit industrial approaches and practices from Cloud Computing experts that help in overcoming the key challenges. Both key challenges and practices were used in formulating the assessment model. Results: The results have highlighted that key challenges in the adoption of Enterprise Clouds are security & reliability concerns, resistance to change, vendor lock-in issues, data privacy and difficulties in application and service migration. The industrial practices to overcome these challenges are: planning and executing pilot proJect, assessment of IT needs, use of open source APIs, involvement of legal team in vendor selection, identification of the processes to change, involvement of senior executive as change champion, using vendor partners to support application/service migration to Cloud Computing and creating employee awareness about Cloud Computing services. Conclusion: Using the key challenges and practices, the assessment model was developed that assesses an organisation’s readiness to adopt Enterprise Clouds. The model measures the readiness in four dimensions: technical, legal & compliance, IT capabilities and end user readiness for the adoption of Enterprise Clouds. The model’s result can help the organisation in overcoming the adoption challenges for successful assimilation of newly deployed or migrated IT services on Enterprise Clouds. ii An assessment model for Enterprise Clouds adoption TABLE OF CONTENTS ABSTRACT .......................................................................................................................... ii TABLE OF CONTENTS ......................................................................................................... iii LIST OF TABLES ................................................................................................................. vi LIST OF FIGURES .............................................................................................................. viii LIST OF ABBREVIATIONS ................................................................................................... ix ACKNOWLEDGEMENTS ...................................................................................................... x Chapter 1: Introduction ...................................................................................................... 1 1.1 Context .................................................................................................................................... 2 1.2 Research Motivation and Objectives ........................................................................................ 4 1.3 Thesis Contributions ................................................................................................................. 8 1.4 Thesis structure ....................................................................................................................... 10 Chapter 2: Background & Research Design ....................................................................... 12 Introduction .................................................................................................................................. 13 2.1 Background ............................................................................................................................. 13 2.1.1 IT innovation and Technology adoption .................................................................................................. 13 2.1.2 Adopting Enterprise Clouds ..................................................................................................................... 16 2.1.3 Assessing organisation ............................................................................................................................ 18 2.2 Empirical Research Design ....................................................................................................... 26 2.2.1 Empirical Research in Software Engineering ........................................................................................... 26 2.2.2 Research strategy ................................................................................................................................... 27 2.2.2.1 Data Collection ................................................................................................................................. 28 2.2.2.2 Data Analysis .................................................................................................................................... 32 2.2.2.3 Model Development ........................................................................................................................ 33 2.3 Chapter Summary ................................................................................................................... 34 Chapter 3: The SLR Design and Results ............................................................................. 35 Introduction .................................................................................................................................. 36 3.1 SLR Design & Execution ........................................................................................................... 36 3.1.1 Research question ................................................................................................................................... 36 3.1.2 Search String and Trial search ................................................................................................................ 37 3.1.3 Data sources ........................................................................................................................................... 38 3.1.4 Inclusion and exclusion criteria ............................................................................................................... 38 3.1.5 Quality Assessment ................................................................................................................................. 39 3.1.6 Search process ........................................................................................................................................ 40 3.1.7 Data Extraction and Synthesis ................................................................................................................ 42 3.2 SLR Results .............................................................................................................................. 46 3.2.1 Higher order Themes .............................................................................................................................. 49 3.2.1 Challenges in the adoption of Clouds ...................................................................................................... 52 3.2.3 Review: Empirical Studies ....................................................................................................................... 55 3.3 Key Challenges in adoption of Enterprise Clouds ..................................................................... 59 3.3.1 Technical Issues ....................................................................................................................................... 61 3.3.2 Organisational Issues .............................................................................................................................. 65 3.3.3 Environmental Issues .............................................................................................................................. 69 iii An assessment model for Enterprise Clouds adoption 3.3.4 Security & Data related concerns ............................................................................................................ 71 3.4 Limitations of SLR design ......................................................................................................... 74 3.5 Chapter Summary ................................................................................................................... 75 Chapter 4: Survey Results and Discussion ......................................................................... 76 Introduction .................................................................................................................................
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