The way that we design data centers has radically changed in the last 30 years. In the 90s, a typical data center was full of physical machines, each with a very specific purpose. In many companies, the servers were bought by different vendors based on the purpose of the machine. This meant that there was a need for machines, network devices, and storage devices and that those devices were bought, provisioned, configured, and delivered.
The big drawback here was the significant lag between identifying the need for the machine and its delivery. In that period, this was acceptable, since the majority of companies had very few systems and they tended to change very rarely. Also, this approach was very expensive as a lot of devices were under-utilized.
With the progress of society and companies in the world of technology, we know that today, it has...
