An organization is looking to outsource its data center infrastructure to better manage its computational, network, and storage needs, alleviate the burden of hardware maintenance, and improve its scalability. Which cloud service model is most suitable for these requirements?
Infrastructure as a Service (IaaS) provides virtualized computing resources over the Internet and is an optimal choice for businesses looking to outsource their data center infrastructure. IaaS allows organizations to manage their computational, network, and storage needs without the need to purchase, maintain, or house substantial hardware on-premises, and it provides a high degree of scalability. Platform as a Service (PaaS) offers a platform allowing customers to develop, run, and manage applications without the complexity of building and maintaining the infrastructure, which isn't aligning specifically with the need to replace a data center infrastructure. Software as a Service (SaaS) delivers software over the Internet on a subscription basis and focuses on end-user applications rather than infrastructure needs. Desktop virtualization is a specific technology that could be enabled through IaaS but is not a cloud service model that provides a full data center infrastructure solution.
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