What is Cloud Computing ? Why we use it ?

Cloud computing is a on-demand delivery  service of computer power, application , server and other IT resources through cloud service platform via Internet .  

The main concept behind cloud service is that you get instant computer resources according to your requirement and you have to pay for it as you use it .

Types of  cloud computing Services –

cloud computing services are categorized into three types –

  1. Infrastructure as a Service (IaaS)
  2. Platform as a Service (PaaS)
  3. Software as a Service (SaaS)

Infrastructure as a Service provides services like server ,  storage , operating system and many more related to infrastructure  . 

In Platform as a Service , you can use cloud as a platform which includes develop, run, and manage applications without the complexity of building and maintaining the infrastructure .

Software as a Service makes the users to  connect a applications through Internet on a subscription basis. In Software as a service third-party provider hosts their  applications and makes them available to customers over the Internet.

Read other :- How to install VMware ESXi

Top cloud computing services provider :-

There are some list of top cloud services provider –

  1. Amazon Web Services
  2. Microsoft Azure
  3. Google Cloud Platform
  4. Adobe
  5. VMware
  6. IBM Cloud
  7. Rackspace
  8. Red Hat
  9. Salesforce
  10. Oracle Cloud

Uses of cloud computing :-

Now a days , there are many companies from small startup to big multinational company uses cloud . 

Cloud service provider owns and maintains the network-connected hardware required for application services, while you provision and use what you need via a web application.

Here are few of the things that  you can do with the cloud:-

  • Create new apps and services
  • Host websites and blogs
  • Create new apps and services
  • Store, back up and recover data
  • Analyse data for patterns and make predictions
  • Deliver software on demand
  • Stream audio and video

Types of cloud deployments: –

 There are three types of cloud deployments –

  1. public
  2. private
  3. hybrid

Public cloud –  In public cloud, all hardware, software and other supporting infrastructure is owned and managed by the cloud provider. You access these services and manage your account using a web browser.

Private cloud – A private cloud is one in which the services and infrastructure are maintained on a private network. It is physically located on the company’s on-site datacenter.

Hybrid cloud – Hybrid clouds combine public and private clouds with the help of technology that allows data and applications can be shared between them . By allowing data and applications to move between private and public clouds, hybrid cloud gives businesses greater flexibility and more deployment options.

Benefits of Cloud Computing –

  1. capacity – You can access as much or as little as you need, and scale up and down as required with only a few minutes notice.
  2. Cost –Cloud computing eliminates the capital expense of buying hardware and software and setting up and running on-site datacenters
  3. Go global in minutes – Easily deploy your application in multiple regions around the world with just a few clicks. 
  4. Productivity – On-site datacenters typically require a lot of racking and hardware set up, software patching and other time-consuming IT management . Cloud computing removes the need for many of these tasks, so IT teams can spend time on achieving more important business goals.