Chapter 6

Securing Cloud Computing Systems

Cem Gurkok,    Verizon Terremark

1 Cloud Computing Essentials: Examining the Cloud Layers

Cloud computing is composed of several layers, such as public, private, hybrid, and community deployment models: SaaS, PaaS, IaaS (service, platform, infrastructure as a service or SPI) service models. The NIST Model of Cloud Computing is shown in Figure 6.1.

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Figure 6.1 NIST model of cloud computing [1].

Infrastructure as a service (IaaS) provides online processing, data storage capacity, or network capacity on a virtualized environment. It offers the ability to provision processing, storage, networks, and other ...

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