An organization is looking to outsource their data center infrastructure to better manage their computational, network, and storage needs, alleviate the burden of hardware maintenance, and improve their scalability capability. Which cloud service model is most suitable for their 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 provides a high degree of scalability. 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. SaaS delivers software over the Internet on a subscription basis and focuses on software services rather than infrastructure needs. Desktop virtualization is a specific technology that could be enabled through IaaS but is not synonymous with a data center infrastructure solution.
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