Chapter 6, Problem 6.22MML

Explanation of Solution

Cloud:

The term cloud can be defined as the process that let the computer resources to be accessed anytime anywhere over the internet. The cloud can be represented as the elastic leasing of the various computer resources that are known as the pooled resources that can be accessed over the internet.

Merits that the cloud brings:

• Organization can readily gain elastic resources at low cost.
• Using this trend, from individual get benefits on iCloud or Google Drive, to small companies using Office 365, to Organizations like Falcon Security using PaaS service, and so on.
• Hence, the size of the cloud gets increased.

Software-as-a Service (SaaS):

• Software-as-a-Service (SaaS) is the mostly used service in cloud computing.
• In SaaS, the software is deployed from a cloud provider; internet is used to deliver the service and the subscribers access the service through the browser.
• The subscription of SaaS has some primary reasons:
  • Risk is limited.
  • Deployment is performed rapidly.
  • Fewer upfront cost
  • Increased reliability as seen in reduced down time
  • Backup procedures are standardized.
  • Total cost of ownership is lower because the purchase of hardware, software, license agreements, personal requirement for system run and administer are reduced through the SaaS cloud service...