In today's world, there are many cloud computing solution providers, such as Amazon's Elastic Compute Cloud (EC2), Amazon Web Services (AWS), Microsoft Azure and the Google Cloud platform (GCP). These companies have realized the growing trend over the past years that businesses suffer a huge annual loss when a company's local servers go down. In the IT world, the downtime of a server or network resources means a loss of availability to the services. In some organizations, downtime is equivalent to loss of revenue.
The main question is, how does cloud computing help improve availability? Cloud computing solution providers provide a service level agreement (SLA) of guaranteed uptime. A simple example is AWS, which has a service level agreement of providing less than 99.99% but equal to or greater than 99.0%, as stated in their...