The different cloud service models are described here in the following sections.
Cloud service models
IaaS – background
Across the industry, hardware has been largely ignored for a very long time. Servers were not sexy. There was no glory for servers. Servers were just a support for the more important applications. Applications got all the credit for solving business challenges. Applications were the things that users interacted with directly. Servers got stuck in dark closets, forgotten and neglected until a problem occurred.
Because servers received no glory, very little to no maintenance and no budget for patching, upgrading, and so on, many servers are now well beyond their service life and prone to failure. Incredible...