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Systems, Services, Solutions of the Public Cloud
Abstract
With the public cloud, organizations have access to an extensive, diverse range of new and emerging technologies as well as well-established ones. Their support staff may combine these technologies in a number of novel ways to form solutions that do more and cost less while meeting the business requirements of organizations. The public cloud bewilders, even confuses the average user, as it is an area of increasing technical complexity that is undergoing rapid change in terms of both a diversification of available services and the growth in underlying contingent technologies. This chapter discusses the public cloud in terms of the three basic service models of infrastructure as a service (IaaS), platform as a service (PaaS), and software as a service (SaaS) and then discusses the public cloud in the context of the four deployment models of private cloud, public cloud, hybrid cloud, and community cloud. It concludes with the risks and challenges associated with security and the need of organizations to make use of of multiple public cloud providers.
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