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What is Cloud computing? Everything You Need to Know

Latest reply: Nov 24, 2021 04:51:42 478 3 4 0 0


Cloud computing is a general term for anything that involves delivering hosted services over the internet. These services are divided into three main categories: infrastructure as a service (IaaS), platform as a service (PaaS) and software as a service (SaaS).

A cloud can be private or public. A public cloud sells services to anyone on the internet. A private cloud is a proprietary network or a data center that supplies hosted services to a limited number of people, with certain access and permissions settings. Private or public, the goal of cloud computing is to provide easy, scalable access to computing resources and IT services.

Cloud infrastructure involves the hardware and software components required for proper implementation of a cloud computing model. Cloud computing can also be thought of as utility computing, or on-demand computing.

The name cloud computing was inspired by the cloud symbol that's often used to represent the internet in flowcharts and diagrams.

How does cloud computing work?

Cloud computing works by allowing client devices to access data over the internet, from remote servers, databases and computers.

An internet network connection links the front end (includes the accessing client device, browser, network and cloud software applications) with the back end, which consists of databases, servers and computers). The back end functions as a repository, storing data that is accessed by the front end.

Communications between the front and back ends are managed by a central server. The central server relies on protocols to facilitate the exchange of data. The central server uses both software and middleware to manage connectivity between different client devices and cloud servers. Typically, there will be a dedicated server for each individual application.

Cloud computing examples

Examples of cloud computing include:

Google Docs, Microsoft Office 365: Users can access Google Docs and Microsoft Office 365 through the internet. Users can be more productive because they can access work presentations and spreadsheets stored in the cloud at any time from anywhere on any device.

Email, Calendar, Skype, WhatsApp: Emails, calendars, Skype and WhatsApp take advantage of the cloud's ability to provide users with access to data remotely so they can access their personal data on any device, whenever and wherever they want.

Zoom: Zoom is a cloud-based software platform for video and audio conferencing that records meetings and saves them to the cloud, enabling users to access them anywhere and at any time.

AWS Lambda: Lambda allows developers to run code for applications or back-end services without having to provision or manage servers. The pay-as-you-go model constantly scales with an organization to accommodate real-time changes in data usage and data storage.

Cloud computing vs. traditional web hosting

A cloud service has three distinct characteristics that differentiate it from traditional web hosting:

  • Users can access large amounts of computing power on demand. It is typically sold by the minute or the hour.

  • It is elastic -- a user can have as much or as little of a service as they want at any given time.

  • The service is fully managed by the provider (the consumer needs nothing but a personal computer and internet access). Significant innovations in virtualization and distributed computing, as well as improved access to high-speed internet, have accelerated interest in cloud computing.


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Unicef
MVE Created Oct 24, 2021 11:49:22

Good share thanks
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MahMush
Moderator Author Created Nov 7, 2021 16:31:34

good one
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user_4358465
Created Nov 24, 2021 04:51:42

Thanks, its very helpful
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