What is cloud ?

The term Cloud refer to an Organization or Internet. In other words we can say that Cloud is something, which is available at distant area. Cloud can assistance over Public and private networks. such as WAN,LAN,VPN.

What is Cloud Computing ?

Cloud Computing is the delivery of on-demand computing services over the internet on a pay-as-you-go basis.

pay as you go basis means :- Rather than managing files on a local storge device, cloud computing makes it possible to save them over internet.

Cloud Computing Photos
Cloud Computing

Deployment Models

  • Public cloud :- Public cloud as a “cloud made available in a pay-as-you-go manner to the general public”
  • Private Cloud :- Private Cloud as “internal data center of a business or other organization, not made available to the general public.”
  • Hybrid Cloud :- Hybrid Cloud takes shape when a private cloud is supplemented with computing capacity from public clouds.
  • Community Cloud :- Community Cloud is “share by several organizations and supports a specific community that has shared concerns.

Types of Cloud Services

  • Infrastructure as a Service (IaaS) :- A cloud infrastructure enables on-demand provisioning of servers running several choices of operating systems and a customized software stack.
  • Platform as a Service (PaaS) :- A cloud platform offers an environment on which developers create and deploy applications.
  • Software as a Service (SaaS) :- Traditional desktop applications such as word processing and spreadsheet can now be access as a service in the Web.

Common characteristics a cloud should have:

  • pay-per-use (no ongoing commitment, utility prices)
  • elastic capacity and the illusion of infinite resources.
  • self-service interface.
  • resources that are abstracted or virtualised.

Basic Engineer

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