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Cloud computing can be deployed in various models, including public cloud, private cloud, hybrid cloud, and multi-cloud. Virtualization, however, is typically deployed within an organization's data center or infrastructure.
Cloud computing offers unparalleled scalability, allowing users to rapidly scale up or down their resources based on demand. While virtualization also provides some level of scalability by consolidating resources and enabling dynamic allocation.
Cloud computing often simplifies management tasks by offloading infrastructure management responsibilities to the cloud service provider. Virtualization requires more hands-on management, including provisioning virtual machines and monitoring resource usage.
Cloud computing typically operates on a pay-as-you-go or subscription-based pricing model. Virtualization may involve upfront costs for hardware and software licenses, along with ongoing maintenance expenses.
Cloud computing providers often offer built-in disaster recovery and backup solutions. While virtualization can enhance disaster recovery capabilities by enabling the replication of virtual machines.
Cloud computing providers invest heavily in security measures, such as encryption, identity and access management. Virtualization environments require robust security practices, including patch management, network segmentation.
Cloud computing optimizes resource utilization by pooling and dynamically allocating resources based on demand. Virtualization also enhances resource utilization by consolidating multiple virtual instances on a single physical server.