What is Cloud Computing?
This blog post will answer the very basic question of what is Cloud Computing? This infographic post defines and explains Cloud Computing along with its uses and benefits. Along with that is also details the top three most used services in Cloud Computing including Software as a Service (SaaS), Infrastructure as a Service (IaaS) and Platform as a Service (PaaS). For more information on these three popular services check out my other blog post too. Three deployments models for Cloud services including Private Cloud, Public Cloud and Hybrid Cloud are also detailed.
Understanding cloud service models: SaaS, PaaS and IaaS
Cloud providers such as Microsoft, Amazon, Google and others offer cloud services through their data centers to their customers via thin clients and other existing legacy apps. Cloud customers don’t need to have servers installed on-premises and can just sign up with the provider to get all the services alternatively from the provider’s servers in their data centers located globally. Majority of these cloud services can be grouped into three service models: Software as a Service (SaaS), Platform as a Service (PaaS) and Infrastructure as a Service (IaaS). These are primarily the basic build blocks of cloud computing and all granular services, offered by the cloud providers, are mapped to one of these models. As an example if you are using Google Docs, which is part of G Suite, you are utilizing the Software as a Service (SaaS) model. All the Cloud services are subscription based where you pay a monthly fee depending on the service and usage of that particular service. This is completely different than the traditional model of paying for software licenses and services upfront.
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