Cloud-Computing Strategies for Sustainable ICT Utilization: a Decision-Making Framework for Non-Expert Smart Building Managers
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Cloud-Computing Strategies for Sustainable ICT Utilization: A Decision-Making Framework for Non-Expert Smart Building Managers Karim Jamil Mualla (MSc) (BEng) Submitted for the degree of Doctor of Philosophy Heriot-Watt University School of Energy, Geoscience, Infrastructure and Society Edinburgh, United Kingdom March, 2016 The copyright in this thesis is owned by the author. Any quotation from the thesis or use of any of the information contained in it must acknowledge this thesis as the source of the quotation or information. Abstract Virtualization of processing power, storage, and networking applications via cloud- computing allows Smart Buildings to operate heavy demand computing resources off- premises. While this approach reduces in-house costs and energy use, recent case- studies have highlighted complexities in decision-making processes associated with implementing the concept of cloud-computing. This complexity is due to the rapid evolution of these technologies without standardization of approach by those organizations offering cloud-computing provision as a commercial concern. This study defines the term Smart Building as an ICT environment where a degree of system integration is accomplished. Non-expert managers are highlighted as key users of the outcomes from this project given the diverse nature of Smart Buildings’ operational objectives. This research evaluates different ICT management methods to effectively support decisions made by non-expert clients to deploy different models of cloud-computing services in their Smart Buildings ICT environments. The objective of this study is to reduce the need for costly 3rd party ICT consultancy providers, so non-experts can focus more on their Smart Buildings’ core competencies rather than the complex, expensive, and energy consuming processes of ICT management. The gap identified by this research represents vulnerability for non-expert managers to make effective decisions regarding cloud-computing cost estimation, deployment assessment, associated power consumption, and management flexibility in their Smart Buildings ICT environments. The project analyses cloud-computing decision-making concepts with reference to different Smart Building ICT attributes. In particular, it focuses on a structured programme of data collection which is achieved through semi-structured interviews, cost simulations and risk-analysis surveys. The main output is a theoretical management framework for non-expert decision-makers across variously-operated Smart Buildings. Furthermore, a decision-support tool is designed to enable non-expert managers to identify the extent of virtualization potential by evaluating different implementation options. This is presented to correlate with contract limitations, security challenges, i system integration levels, sustainability, and long-term costs. These requirements are explored in contrast to cloud demand changes observed across specified periods. Dependencies were identified to greatly vary depending on numerous organizational aspects such as performance, size, and workload. The study argues that constructing long-term, sustainable, and cost-efficient strategies for any cloud deployment, depends on the thorough identification of required services off and on-premises. It points out that most of today’s heavy-burdened Smart Buildings are outsourcing these services to costly independent suppliers, which causes unnecessary management complexities, additional cost, and system incompatibility. The main conclusions argue that cloud-computing cost can differ depending on the Smart Building attributes and ICT requirements, and although in most cases cloud services are more convenient and cost effective at the early stages of the deployment and migration process, it can become costly in the future if not planned carefully using cost estimation service patterns. The results of the study can be exploited to enhance core competencies within Smart Buildings in order to maximize growth and attract new business opportunities. ii Dedication This research began, and finished, while my home country Syria has been at war. This project is dedicated to Syria. It is safe to say that if it was not for my family I would have not been able to reach this stage in my academic and professional career. Therefore, I would like to show gratitude and appreciation to all their efforts. I would like to sincerely thank Professor Gareth Pender for believing in me and granting me this opportunity to complete a Doctorate degree under his supervision. I would also like to thank Dr David Jenkins for his supervision and assistance in completing this project. This PhD carried out a considerable amount of data collection, which involved the participation of various enterprise-level personnel, CEOs, and Smart Building ICT decision-makers. On that note, I would like to thank Mr. Oliver Peuschel from Rackspace London, Mr. Mike Roch from Heriot-Watt University Edinburgh, and Mr. Salem Cheikh Najib from GBM Dubai. Moreover, a special thanks to the fifty-four management users from different industries who generously took the time to participate in this project’s risk-analysis survey. The project introduced an original web-based decision support system named Smart Building Cloud Evaluator (SBCE), which involved various types of ICT work such as programming, web development, database, hosting and deployment. On that account, I would like to thank Engr. Fadi Al-Nawakil from MobileArts-Lebanon, for his worthy technical insights and hosting services. iii ACADEMIC REGISTRY Research Thesis Submission Name: KARIM JAMIL MUALLA School/PGI: SCHOOL OF ENERGY, GEOSCIENCE, INFRASTRUCTURE AND SOCIETY Version: (i.e. First, First Submission Degree Sought Doctorate Degree (PhD) in Resubmission, Final) (Award and Management Information Subject area) Systems Declaration In accordance with the appropriate regulations I hereby submit my thesis and I declare that: 1) the thesis embodies the results of my own work and has been composed by myself 2) where appropriate, I have made acknowledgement of the work of others and have made reference to work carried out in collaboration with other persons 3) the thesis is the correct version of the thesis for submission and is the same version as any electronic versions submitted*. 4) my thesis for the award referred to, deposited in the Heriot-Watt University Library, should be made available for loan or photocopying and be available via the Institutional Repository, subject to such conditions as the Librarian may require 5) I understand that as a student of the University I am required to abide by the Regulations of the University and to conform to its discipline. * Please note that it is the responsibility of the candidate to ensure that the correct version of the thesis is submitted. Signature of Date: Candidate: Submission Submitted By (name in capitals): KARIM JAMIL MUALLA Signature of Individual Submitting: Date Submitted: For Completion in the Student Service Centre (SSC) Received in the SSC by (name in capitals): Method of Submission (Handed in to SSC; posted through internal/external mail): E-thesis Submitted (mandatory for final theses) Signature: Date: iv Table of Contents Abstract .................................................................................................................. i Dedication ............................................................................................................ iii Declaration Statement .......................................................................................... iv Table of Contents .................................................................................................. v List of Figures ..................................................................................................... vii List of Tables....................................................................................................... xii Glossary of Terms .............................................................................................. xiv Chapters 1.0 Introduction ........................................................................................................ 1 1.1- Overview .................................................................................................. 1 1.2- Smart Buildings Background ................................................................... 7 1.3- The Evolving ICT Age ........................................................................... 11 1.3-1. Drivers for Change ............................................................................ 15 1.4- Cloud-Computing Background .............................................................. 17 1.5- Smart Technology Management ............................................................ 24 1.6- Research Objectives ............................................................................... 27 2.0 Literature Review............................................................................................. 32 2.1- Introduction ................................................................................................ 32 2.2- Literature Analysis ..................................................................................... 34 2.2.1- Sustainability Approaches for Smart Buildings .............................. 34 2.2.2- Market Solutions for Cloud-based Energy Management ................ 49 2.2.3- ICT Costs in Buildings and Power Consumption Overview ............ 58 2.2.4- Business Perspectives of Cloud-Computing