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How does Cloud computing work?

by | Oct 29, 2022 | Cloud Computing, Computing

What is Cloud Computing?

Cloud computing refers to the delivery of services on-demand. These services often include servers, databases, software, networks, analytics, management, and other computing functions used through the Cloud.

The Cloud has evolved daily because of its excellent services and lower costs. It is also a virtual pool of shared resources deployed on a larger scale. Cloud computing can take all the technologies that make up a traditional data center and makes all these resources available to consumers on an as-needed basis. There is only one need for users to be able to run the cloud computing system’s interface software, which can be as simple as a Web browser, and the Cloud’s network takes care of the rest of the services. Let us learn about cloud computing and its models.

Models of Cloud Computing

To understand how the Cloud works, you need to understand three service models of cloud computing.

1. Software as a service (SaaS)

Software as a service is a platform that provides software to IT companies on demand. We can access SaaS products via the internet. Examples of SaaS services are Gmail, Youtube, Twitter, Office 365, yahoo, etc., the application hosted at a central location. SaaS offers automated Provisioning, Multi-tenancy, remote work, and subscription-based billing. It has almost free installation as well as a lower cost of maintenance and upgrades.

2. Platform as a service (PaaS)

A PaaS company will offer a complete development environment where the software can be built, tested, and deployed within its predetermined constraints. It also provides in-built security, so the user does not have to worry about privacy and configurations.

3. Infrastructure as a service (IaaS)

Infrastructure as a service is an offering of cloud computing where an application’s infrastructure is provided and can be hosted in public, private, and hybrid clouds. Other self-services include an API and a graphical user interface (GUI), which are exposed directly to customers.

IaaS are – Digital Ocean, Amazon web services (AWS), Microsoft Azure, Linode, and Google Compute Engine.

Cloud Deployment Models

1. Public

The services on the public Cloud are available to everyone who wants to use or purchase them. The services offered are scalable RAM, storage, compute, memory, and flexible bandwidth, making the development easier. The public cloud helps to reduce costs significantly for customers. Dell, Adobe, Salesforce, Alibaba Cloud, and IBM are some companies offering public Cloud.

2. Private

In a private cloud, the environment is designed to have the same resource sharing and scalability as the public Cloud but with improved security because only specific users access the private Cloud. Many organizations use the private Cloud for the secure data environment in which they carry out sensitive tasks.

3. Hybrid

A hybrid is a combination of both public and private clouds. It offers flexible services, high security, and is easily accessible. It is the best choice when you need privacy that over the whole IT infrastructure means publicly. One can take advantage of public and private in a hybrid cloud. Google Anthos and VMware Cloud on AWS are some examples of hybrid clouds.

Conclusion

Cloud computing has made the life and work of industry easy and flexible. The different models provide different services on different sides. Making your data more secure and safe from third-party sites is possible. The data can be encrypted and hide the data, which must remain confidential. Through a hybrid model, some data can be public, and some can remain confidential. There are many more advantages of cloud computing in industry and business.

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