An Integrated Multi-Criteria Decision-Making Model for Cloud Service Provider Selection

An Integrated Multi-Criteria Decision-Making Model for Cloud Service Provider Selection

Uma S. (http://orcid.org/0000-0001-5982-984X) (a0a5af0c-63a6-4312-80f9-8e1153d7b3a6, Evangelin Geetha D. (c195c8ff-665f-4211-8965-84fb61b45360
Copyright: © 2022 |Pages: 18
DOI: 10.4018/IJDSST.286692
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Abstract

In the present scenario, it is inevitable for organizations to use the services offered through the cloud. As there are numerous cloud service providers, the users have a vast number of choices to get the desired service. For the long-term success of any organization, it is important to choose the right cloud service provider. This paper focuses on proposing a new framework to select the best cloud service provider. While selecting the best service provider, using an appropriate method for finding out the weight of each criterion is very important as it directly impacts the ranking of candidate service providers. In this work, the full consistency method (FUCOM) is employed for finding the weight of each criterion, and multi-objective optimization by ratio analysis (MOORA) is proposed for ranking the service provider. The integration of FUCOM with MOORA results in computing the reliable values of criteria weight and a simpler procedure for computing the overall score of the service provider. Hence, a rational decision making is possible in selecting the best cloud service provider.
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Introduction

Cloud computing is a technology that has changed the manner in which the computing resources were used and accessed by the users. The term cloud computing denotes the applications provided as services through the Internet as well as the hardware and the system software which offers these services (Armbrust et al., 2010). It facilitates the users to pay for the services based on their usage. It is a business model which establishes the relationship of service provider with consumer. Most of the recent software innovations are rooted in the cloud computing model (Dempsey & Kelliher, 2018). Cloud computing has become a leading business model by offering IT infrastructure, Components and applications. The cloud service providers offer a range of services to meet the computing demands of the users (Benlian et al., 2018). Cloud computing encompasses numerous services ranging from end user services such as search, email, social networking to mission critical and commercial applications (Sehgal & Bhatt, 2018). National Institute of Standards has defined Cloud Computing Technology as “a model for enabling convenient, on-demand network access to a shared pool of configurable computing resources that can be rapidly provisioned and released with minimal management effort or service provider interaction”. The services provided by the cloud are an essential part of business organizations as it brings a noteworthy opportunity to speed up business through their capability to scale rapidly, be agile with resources and provide a novel prospect for collaboration (Liu et al., 2011). The service offered by cloud computing can be categorized as Software as Service (SaaS), Infrastructure as a Service (IaaS) and Platform as a Service (PaaS) (Buyya, 2009). As multiple cloud service providers are providing the same kind of services, it is really hard to make the right decision in selecting an appropriate service provider. Generally for any organization, the decision maker for selecting the best service provider is the top management. The decision of the top management is based on the recommendations made by an expert team having personnel from Information Technology (IT), financial and legal departments. Familiarization with technology aspects is one of the main reasons for including the IT department in making recommendations (Vithayathil, 2018).

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