Consider the life of an IT manager, ten years ago—before the rise of cloud computing from a business perspective. In the absence of virtualization, the conventional IT manager worked with entirely local assets, usually set up inside of an on-premise data center facility, connected to the local network. It was something of an ideal scenario, because physical hardware and software stacks were built according to the security, compliance, and reporting needs of the respective enterprise. Sure, there were different applications and workloads at the top of stacks, but the underlying hardware, software, security, and monitoring were all consistent.
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