Cloud Computing

A model for enabling on-demand network access to a shared pool of configurable computing resources that can be rapidly provided with minimal management effort or provider interaction.

Simply put, cloud computing is the delivery of computing services — including servers, storage, databases, networking, software, analytics, and intelligence — over the Internet (“the cloud”) to offer faster innovation, flexible resources, and economies of scale.

You typically pay only for cloud services you use, helping lower your operating costs, run your infrastructure more efficiently and scale as your business needs change.

Types of cloud computing

There are three different ways to deploy cloud services: on a public cloud, private cloud or hybrid cloud.

Public Cloud

Public clouds are owned and operated by a third-party cloud service provider, which deliver their computing resources like servers and storage over the Internet.

For example, Microsoft Azure, Amazon AWS and Google Firebase, is an example of a public cloud. With a public cloud, all hardware, software and other supporting infrastructure are owned and managed by the cloud provider. You access these services and manage your account using a web browser.

Private cloud

A private cloud refers to cloud computing resources used exclusively by a single business or organization. A private cloud can be physically located on the company’s on-site datacenter. Some companies also pay third-party service providers to host their private cloud. A private cloud is one in which the services and infrastructure are maintained on a private network.

For example, Hewlett Packard Enterprise (HPE) is a key leader in the private cloud market. Others include Dell Enstratius, Oracle Enterprise Manager, and IBM Cloud Services.

Hybrid cloud

Hybrid clouds combine public and private clouds, bound together by technology that allows data and applications to be shared between them. By allowing data and applications to move between private and public clouds, a hybrid cloud gives your business greater flexibility, more deployment options and helps optimize your existing infrastructure, security, and compliance.

For example, Rackspace is a hybrid cloud vendor that works with a host of other vendors and products. Other big vendors include EMC, Microsoft, Vmware, and IBM Bluemix.

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