An Overview of Cloud Computing

First of all, it is helpful to understand where the term cloud computing comes from. This is most likely due to the use of cloud images to represent a network or internet computing environment. A quick Google search reveals a number of definitions for cloud computing.

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Image Source: Google

What are the different cloud computing models?

In order to solve some of the problems associated with cloud computing, it is helpful to understand the various cloud service models, which consist of three models: software as a service (SaaS), platform as a service (PaaS), and infrastructure as a service (IaaS).

SaaS is the most well-known cloud service. SaaS is sometimes referred to as on-demand software. In SaaS, software and related data are hosted centrally and are usually accessed via the Internet using a browser. What are some examples of SaaS? One example is MailChimp, the application we use to distribute our newsletters.

PaaS provides a compute platform and solutions to simplify application delivery without investing in the costs and complexity of hardware and software. The IaaS service model allows customers to avoid purchasing servers, software, data center space and network equipment. These resources are provided as a fully outsourced service.

In addition to the various cloud service models, it is helpful to understand the deployment patterns in which cloud computing is distributed. Main adoption models include public, private,and hybrids.