What are the five major characteristics of cloud computing?

The five major characteristics of cloud computing are elastic scaling, on-demand self-service, wide-area network access, resource pool sharing and rapid deployment. Detailed introduction: 1. Auto-scaling refers to the ability of the cloud computing platform to automatically adjust computing resources according to actual needs. Users can freely increase or decrease computing resources according to business needs without paying attention to the details of the underlying hardware devices; 2. On-demand self-service It enables users to obtain and configure the required computing resources at any time according to their own needs. Users can independently select, deploy and manage computing resources through the user interface or API interface of the cloud computing platform.

# Operating system for this tutorial: Windows 10 system, Dell G3 computer.

Cloud computing is an Internet-based computing model that has five major characteristics, namely elastic scaling, on-demand self-service, wide-area network access, resource pool sharing and rapid deployment.

Elasticity:

Elastic scaling refers to the ability of the cloud computing platform to automatically adjust computing resources according to actual needs. Users can freely increase or decrease computing resources according to business needs without paying attention to the details of the underlying hardware devices. This elastic scaling feature enables cloud computing to quickly adapt to different scales and changing workloads, improving system flexibility and availability.

On-demand Self-service:

On-demand self-service enables users to obtain and configure the required computing resources at any time according to their needs. Users can independently select, deploy and manage computing resources through the cloud computing platform's user interface or API interface, without the need for cumbersome communication and negotiation with service providers in advance. This self-service feature enables users to quickly respond to business needs, improving efficiency and flexibility.

Wide Area Network Access (Broad Network Access):

Wide Area Network Access allows users to remotely access cloud computing through various terminal devices (such as PCs, mobile devices) and network connections (such as the Internet) platform capabilities. No matter where the user is, as long as there is a network connection, they can use cloud computing services anytime and anywhere. This wide-area network access feature makes users' work and life more convenient and flexible, improving work efficiency and collaboration capabilities.

Resource Pooling:

Resource pool sharing means that the cloud computing platform gathers computing resources into a unified resource pool and distributes them to different users on demand. Users do not need to care about the specific location and configuration of the underlying resources, and only need to obtain the required computing resources from the resource pool according to their own needs. This resource pool sharing feature makes resource utilization higher, reduces idle resources, and reduces costs and energy consumption.

Rapid Deployment:

Rapid deployment means that the cloud computing platform can quickly and flexibly deploy and configure computing resources. Users can quickly create, copy, and destroy computing resources such as virtual machines and containers through the cloud computing platform, without the need for cumbersome physical device configuration and debugging. This rapid deployment feature enables users to quickly respond to business needs and improves the efficiency of development and delivery.

To sum up, the five major characteristics of cloud computing include elastic scaling, on-demand self-service, wide-area network access, resource pool sharing and rapid deployment. These characteristics enable cloud computing to provide flexible, efficient and reliable computing services to meet the ever-changing needs of users.

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