A Complementary Approach to Grid and Cloud Distributed Computing Paradigms

A Complementary Approach to Grid and Cloud Distributed Computing Paradigms

Mehdi Sheikhalishahi (Universita’ della Calabria, Italy), Manoj Devare (Universita’ della Calabria, Italy), Lucio Grandinetti (Universita’ della Calabria, Italy) and Maria Carmen Incutti (Universita’ della Calabria, Italy)
DOI: 10.4018/978-1-4666-0879-5.ch811
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Cloud computing is a new kind of computing model and technology introduced by industry leaders in recent years. Nowadays, it is the center of attention because of various excellent promises. However, it brings some challenges and arguments among computing leaders about the future of computing models and infrastructure. For example, whether it is going to be in place of other technologies in computing like grid or not, is an interesting question. In this chapter, we address this issue by considering the original grid architecture. We show how cloud can be put in the grid architecture to complement it. As a result, we face some shadow challenges to be addressed.
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The precise definition of cloud computing varies widely and depends on the context because clouds are not mature enough and they are in the evolution stages. First, we have some explanation about the term cloud. Since the birth of TCP/IP, people have been drawing TCP/IP Network on white boards like cloud metaphor. This metaphor resonates for the same reason the “electron cloud” is a useful metaphor for the behavior of electrons. The cloud represents a black-box, we don't have to know its inner workings, just its behaviors or interfaces are needed by users.

On the other hand, cloud computing is the ability to draw IT resources from an internal, external or third-party source using either Internet-based or local-area infrastructure. The cloud is essentially the Software-as-a-Service (SaaS) model expanded to include hardware-driven functions like storage and processing.

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