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What is Cloud Computing?

ibm.com

Cloud computing is on-demand access, via the internet, to computing resources—applications, servers (physical servers and virtual servers), data storage, development tools, networking capabilities, and more—hosted at a remote d...

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The term ‘cloud computing’ also refers to the technology that makes the cloud work. This includes some form of virtualized IT infrastructure—servers, operating system software, networking, and other infrastructure that’s abstracted, using special software, so that it can be pooled and di...

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IaaS (Infrastructure-as-a-Service), PaaS (Platform-as-a-Service), and SaaS (Software-as-a-Service) are the three most common models of cloud services.

  • IaaS provides on-demand access to fundamental computing resources–physical and virtual servers, netwo...

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Serverless computing (also called simply serverless) is a cloud computing model that offloads all the backend infrastructure management tasks–provisioning, scaling, scheduling, patching—to the cloud provider, freeing developers to focus all their time and effort on the c...

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Public cloud is a type of cloud computing in which a cloud service provider makes computing resources—anything from SaaS applications, to individual virtual machines (VMs), to

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A hybrid cloud is just what it sounds like—a combination of public and private cloud environments. Specifically, and ideally, a hybrid cloud connects an organization's private cloud services and public clouds into a single, flexible infrastructure for running the organization’s applications and w...

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Multicloud is the use of two or more clouds from two or more different cloud providers. Having a multicloud environment can be as simple as using email SaaS from one vendor and image editing SaaS from another.

Hybrid multicloud is the use of two or more public clouds together with a private...

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Traditionally, security concerns have been the primary obstacle for organizations considering cloud services, particularly public cloud services. In response to demand, however, the security offered by cloud service providers is steadily outstripping on-premises security solutions.

Some clo...

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With 25% of organizations planning to move all their applications to the cloud within the next year, it would seem that cloud computing use cases are limitless.

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