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Gentlest introduction : The Cloud

How it began

 To me the concept of cloud started when people began virtualizing their systems using the like of Virtual-box and VMware. What bough this a;long was the evolution/advent of technology which made it possible for software so simulate hardware. Originally software could not simulate hardware drivers but the moment that became possible- virtualization was born.

A few years after- companies started offering this virtualization at a much grander scale and Infrastructure as a service was born. Lets get down to the three cloud components namely:


  • Infrastructure as a Service (IAAS)
This outsourced hardware meaning that one noways noes not need to setup servers, air-con and the like of access control but could 'rent' from someone and one of the great things about this was that a backup not only meant software but also meant hardware (as software could now simulate hardware) so recovery in case of disaster became easier.

  • Platform as a Service (PAAS)
This is essentially providing only the components that you application needs to run (bundled in a container) and the cloud provider then takes care of the OS and other items. Meaning you only get the things you need.

  • Software as a Service
For example Gmail. Office 365 etc.


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