How Cloud Computing works 5w3k11

carlos alberto jr avatar
Understand how cloud computing works: its advantages, disadvantages, day-to-day applicability and even influence on environmental impact

In the last decade, the cloud computing (in English, cloud computing) — a file-sharing and file-sharing service over the Internet — has become the new norm for organizations in almost every industry, as well as in our daily lives. Do you know how this service works? In simple , cloud computing is the service that stores data and files on servers in the world via the internet — hence the allusion to the cloud. That is, if before you saved all your files on your computer, now you can leave them all in the cloud. Just have an internet connection to these files from anywhere. u4414

If the service is a facilitator for the individual , for large companies it becomes essential. At least that's what research in the area indicates, since approximately 93% of companies have a multi-cloud strategy and 87% opt for an environment of hybrid cloud. This means that companies can lower costs when we talk about large machines and employees to manage the file storage process on a large scale.

The cloud is everywhere 1w5v5l

If you use email or watch movies on services in streaming, then you're already a cloud computing customer — even if you never thought about it. That's because, the Netflix, for example, does not store its thousands of titles on your PC, smart TV or mobile phone. The entire catalog is stored in the cloud so you can access it from anywhere. Other examples are the services of iCloud Google Drive, which many s have without knowing that it is a cloud service.

The entire service catalog streaming, like Netflix, are stored in the cloud

Types of Cloud Computing 452e5

Now that you know what is cloud computing, it is important to understand how to use technological resources for the productivity of your personal or business use, in addition to making the most of the available types in the best way. There are three cloud architecture models: public, private, and hybrid.  

  • Public Cloud: It relies on a third-party cloud provider. Thus, the contracting company uses hardware and software — in addition to technical — from a company specializing in technology. Therefore, the entire infrastructure is owned and managed by the cloud provider;
  • Private Cloud: is for the exclusive use of a company. It can be physically structured in a data center or made available through a third-party provider. This type of cloud is more secure, as the infrastructure is hosted within the company. In addition, it can also facilitate employee access to services and applications;
  • Hybrid Cloud: Associates data and applications that reside in public and private clouds. The great advantage of this model is flexibility, since a company can count on a greater range of deployment solutions. It is recommended for those who need to store sensitive data but also need an affordable service.

IaaS, PaaS, Serverless and SaaS 4j4j5q

How cloud computing works
Learn more about IaaS, PaaS and SaaS, the fundamental models of Cloud Computing (Photo: doctoriot)

It is common to see the acronyms like servers and storage without the need to , PaaS e SaaS. However, the subject still raises doubts even for technology professionals and, mainly, for people who are not used to the IT world. That's why we're going to explain these acronyms and what they mean within the categories of services offered in the cloud.

  • IaaS (Infrastructure as a Service): is the most basic model and consists of renting servers and operating systems, including storage and cloud provider from an IT company. Payment is made according to usage;
  • PaaS (Platform as a Service): well known among developers. This is because, through this service, it is possible to create, test and manage software applications without needing a storage and database infrastructure, for example. In addition, the test environment is customizable;
  • SaaS (Software as a Service): in the SaaS model, the service is contracted by subscription. In this scenario, a company has a provider, and data security offered by the company. Deployment is made easy as it does not require installation;
  • Computing without server: ensures that the entire infrastructure is managed by the provider. It is event-driven and resources are only used when a function or event initiates this activity.

Advantages and disadvantages 4s6a3p

The benefits of cloud computing are evident, after all, the no longer needs to rely on a powerful device to perform functions or store large files, as this is all left to the server. However, to take full advantage of cloud services, this must have a stable internet connection. That's because the servers are in distant regions, causing a low speed internet to harm the experience. Which is, unfortunately, a reality for many Brazilian s.

In addition, many people still feel suspicious when using the cloud. After all, despite the files being encrypted, from the moment they are stored in the cloud, your data can suffer - although unlikely - attacks of cybercriminals and have s and s captured.

Green Cloud Computing is an initiative to minimize server power damage

Environmental impact g2r3u

If, on the one hand, cloud computing helped to reduce the emission of greenhouse gases with companies that make use of the cloud can reduce their energy consumption by up to 95% by not using their computers all the time, on the other hand the increase in the use of data storage centers means that they end up consuming more energy.

It is expected that by 2030 these centers will represent 8% of the world's energy consumption. Data for 2015 showed that the IT sector was responsible for approximately 2% of global greenhouse gas emissions. If nothing is done, this percentage could increase considerably in the coming years.

In response to this problem, the largest cloud computing companies are committed to adopting strategies to use 100% carbon-free electricity. In addition, there are also initiatives such as the green cloud computing, that it is an effective solution that, through policies and procedures, manages to improve the efficiency of computing resources in order to reduce energy consumption and the environmental impact of its use.

It is worth ing that such initiatives are more than proposals from enthusiasts or environmentalists. In a world that is increasingly dependent on technology, high energy consumption is a California Energy Commission ( in English, California Energy Commission), that is banning the sale of energy-hungry electronics in six US states.

See also: 1ur5x

Did you discover in this article that you are a cloud services customer without even knowing it? If you want to delve deeper into the topic, see best cloud backup services.

Sources: Greentech mediaflexera3BL Average.

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