Model of E-Education Infrastructure based on Cloud Computing

Model of E-Education Infrastructure based on Cloud Computing

Zorica Bogdanović (University of Belgrade, Serbia), Aleksandar Milić (University of Belgrade, Serbia) and Aleksandra Labus (University of Belgrade, Serbia)
DOI: 10.4018/978-1-4666-9466-8.ch044
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Abstract

With rapid increase in the number of users, services, educational content, and required resources, educational institutions face new challenges in design and deployment of IT infrastructure for e-education. This chapter deals with defining and developing a model of IT infrastructure for e-learning by using cloud computing concept. The first challenge is adoption and implementation of digital identity management systems and the second is providing support for a system that would be able to use all advantages of federation systems for digital identities management. The experimental part of the chapter consists of a study directed towards the validation of the proposed IT infrastructure model for e-learning. Research was conducted in the Laboratory for E-Business at the Faculty of Organizational Sciences. The results of the research show that the implemented model of IT infrastructure enables the system of e-learning to be more efficient, flexible, and more economical.
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Theoretical Background

Talking about application of cloud computing infrastructure in higher education, three basic approaches can be noticed. First approach is complete outsourcing of e-education infrastructure (Sultan, 2010) which educational institutions provide to their users (teaching staff, administrative staff, researchers, students, etc.) with services such as e-mail, digital libraries, etc., through the leased infrastructure of a cloud provider. Second approach is cloud within the private infrastructure (Caron, Desprez, Loureiro, & Muresan, 2009) that requires highly skilled cloud administrators and appropriate hardware and software resources within the educational institution. Third approach represents combination of previous two approaches (Costanzo, Assuncao, & Buyya, 2009). The educational institution can develop and deploy its own cloud infrastructure. If the infrastructure becomes overloaded, a third party cloud services can be leased in the periods of increased demand.

In the previous years, there has been much research in the field of cloud computing. However, only a few dealt with the problem of developing and deploying models for e-learning infrastructure using cloud computing. Main research directions important for the problems considered in this chapter include: identity management within cloud computing environment, modelling the cloud computing infrastructure, analyzing performances of the cloud computing, and resource management in e-learning systems.

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