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Erschienen in:
2014 | OriginalPaper | Buchkapitel
Cloud Computing Fundamentals
verfasst von : Christoph Fehling, Frank Leymann, Ralph Retter, Walter Schupeck, Peter Arbitter
Erschienen in: Cloud Computing Patterns
Verlag: Springer Vienna
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In this chapter, we introduce the fundamentals required for the understanding of the following chapters. As stated in the introduction, the cloud computing properties – access via network, on-demand self-service, measured service (pay-per-use), resource pooling and rapid elasticity – fundamentally change how IT resources are provided and used. It is important to understand why cloud offerings have these properties, how these properties are delivered on different levels of a typical application stack and under which conditions an application benefits from them. We begin by examining application workloads (Sect. 2.2) and show how they influence the decision for the adoption of cloud offerings. Especially, we discuss how applications experiencing different types of workloads can benefit from the cloud computing properties covered in Chap.
1
. As in that previous chapter, we use the NIST cloud definition [3] and emphasis on those aspects that are important to understand the following chapters.