What is cloud service?

Cloud service refers to obtaining required services through the network in an on-demand and easily scalable manner; this service can be IT, software, Internet-related, or other services; it means that computing power can also be used as a commodities are circulated through the Internet. Cloud services are an Internet-based increase, usage, and interaction model of related services, usually involving the provision of dynamically scalable and often virtualized resources over the Internet.

The operating environment of this tutorial: Windows 7 system, Dell G3 computer.

Cloud computing is another sea change following the big shift to client-server in the 1980s.

Cloud Computing is Distributed Computing, Parallel Computing, Utility Computing, Network Storage Technologies, Virtualization, Load The product of the development and integration of traditional computer and network technologies such as the Load Balance Content Delivery Network.

The cloud is a metaphor for the network and the Internet. In the past, cloud was often used to represent telecommunications networks in diagrams, and later it was also used to represent the abstraction of the Internet and underlying infrastructure. Cloud services refer to obtaining required services through the network in an on-demand and easily scalable manner. Such services can be IT, software, Internet-related, or other services. It means that computing power can also be circulated as a commodity through the Internet.

Cloud services are Internet-based increases, usage, and interaction models of related services, usually involving the provision of dynamically scalable and often virtualized resources over the Internet.

Features:

By distributing computing over a large number of distributed computers rather than local computers or remote servers, enterprise data centers will operate more closely with the Internet. resemblance. This enables enterprises to switch resources to needed applications and access computers and storage systems on demand.

It’s like moving from the ancient single generator model to the centralized power supply model of a power plant. It means that computing power can also be circulated as a commodity, just like gas, water and electricity, which is easy to access and low-cost. The big difference is that it's transmitted over the Internet.

Forms: public cloud and private cloud

Simply put, cloud services can put all the software, hardware, and data needed by an enterprise on the network, at any time , locations, using different IT equipment to connect to each other to achieve data access, calculation and other purposes. Currently, there are two common cloud services: Public Cloud and Private Cloud.

As enterprises continue to deepen their adoption of the cloud, users' needs in terms of service form, platform performance, data security, construction costs, etc. are emerging. As a result, on the basis of the original public cloud and private cloud, the deployment model of managed cloud has been born in the market.

Enterprises can rely on managed cloud to prioritize data security and nearby access business experience through localized deployment, obtain lightweight dedicated cloud resources for users, and provide managed operation and maintenance management and security services. , enabling users to use the cloud with light transportation of assets, light operation and maintenance, and high security mode.

Extended knowledge:

• IaaS: Infrastructure-as-a-Service

  IaaS(Infrastructure-as-a-Service): Infrastructure as a service. Consumers can obtain services from complete computer infrastructure through the Internet.

• SaaS: Software as a Service

  SaaS (Software-as-a-Service): Software as a Service. It is a model that provides software through the Internet. Users do not need to purchase software, but rent Web-based software from providers to manage business activities.

• PaaS: Platform as a Service

  PaaS (Platform-as-a-Service): Platform as a Service. PaaS actually refers to using the software development platform as a service and submitting it to users in the SaaS model. Therefore, PaaS is also an application of the SaaS model. However, the emergence of PaaS can accelerate the development of SaaS, especially the development speed of SaaS applications.

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