Abstract
Cloud computing and all the various flavors and uses of this technology, such as Desktops-as-a-Service (DaaS) and streaming operating systems (OSes), are like the general virtualization methods and have huge potential for dramatically simplified information technology (IT) infrastructure with greater security and more cost-effective IT management and utilization. Cloud computing has two distinct meanings. The first, and probably the most common meaning, is simply the use of a commercial service delivered over the Internet, in real time, from storage to Web applications. The second refers to the actual architecture of cloud computing and the necessary technology to deliver cloud services. These technologies can be combined in a variety of ways depending on the service being delivered. This chapter discusses the fundamentals of cloud computing, the specific distinctions that comprise a cloud environment, and the numerous services available. It also describes the characteristics and distinctions of streaming OSes, application streaming, and virtual appliances. Finally, it explains some security challenges associated with cloud computing, as well as describes how to conduct forensics on and in the cloud environment.
Published Version
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