Those who do not know what it is, seek to know more about the subject, those who know, seek ways to implement it and those who already use it, always talk about the excellent results they get with it.
If you are in the first group and the concept of cloud computing turns your head, in this article you will discover everything you need to know about cloud computing, the internet cloud. Keep reading!
What is cloud computing?
cloud computing (or cloud computingin English) is a technology that allows remote access, from anywhere in the world and at any time, to software, file storage and data processing through the Internet, without the need to connect to a personal computer or local server.
In other words, cloud computing uses the connectivity and large scale of the Internet to host the most varied resources, programs and information, and allows the user to access them through any computer, tablet or cell phone.
If it’s still not clear, let me illustrate: If you’ve ever edited a document in Google Docs, listened to music on Spotify, or watched a movie on Netflix, you’ve had direct contact with cloud computing. All of them are online services that do not require the download, installation and access of any type of software or file on your computer. You just need a browser and a good internet connection to use them.
What is cloud computing for?
If we analyze the traditional model of computing, in which users and companies need to invest in downloads, hardware, operating systems and software to be able to run some type of application, it is easy to understand why cloud computing has become so popular.
The cloud emerged as a way to democratize information and improve the experience of those who depend on technological resources at a personal or professional level.
Cloud computing brought with it innumerable advantages. Opting for a cloud service allows:
- Cost reduction with infrastructure: since it eliminates capital expenditure with hardware and software purchases, installation and maintenance;
- The economy of space: since the resources remain stored online;
- The centralization of information: preventing all data from being kept in different programs, with different types of authentication and forms of access;
- The increase or decrease according to the client’s need: thanks to the power of elasticity that provides the ideal amount of resources, storage and processing;
- remote work: company officials can access all the data through any computer, notebook, tablet or smartphone, as long as they are connected to the Internet.
Besides, we can mention the quality of the security, the automatic update of the server, the usability of the platforms, the technical assistance services and backups.
In the midst of so many benefits, cloud computing has become the favorite option for most companies and users in general. Not surprisingly, virtually everything we consume on the Internet today — social networking, file storage, video and music streaming — comes from cloud-hosted applications and services.
How does cloud computing work?
Cloud computing uses a remote server to connect user devices to centralized resources. A remote server stores all the data and programs you need, and it can be in your own country or on the other side of the world, for example in Japan. The fact is that you can access them online, from anywhere, even if they are stored miles away.
There are 3 types of cloud computing: public, private and hybrid. If you’re a business and you’re considering using a cloud service, keep in mind that your choice will depend on factors related to cost, availability, performance, and expectations. Here’s how each cloud works:
They are computing resources, such as servers and storage, provided by a third party and available to any person or company that wishes to hire them. In this model, the client is responsible for what will be sent to the cloud, be it a backup, an application or some files, while the cloud provider is concerned with the maintenance, security and management of all resources. .
In the public cloud, everything is available on the web and shared among multiple users who use it simultaneously (but separately), keeping resources standardized.
By offering unified solutions, this model ends up being cheaper. Therefore, the public cloud is indicated for businesses that want to save on investment.
In this model, the company keeps the cloud infrastructure in its internal domain and offers restricted access to selected users, such as employees and partners.
The private cloud offers the company the ability to customize features and support to their needs. Since the cloud is designed exclusively for it, all processes are directed to the reality of the business.
In general, the private cloud is used by organizations that must follow certain regulations and specific rules on data and information security and privacy, as is the case with some financial and government institutions.
Finally, when we talk about the hybrid cloud, we refer to the union of the previous two, that is, the combination that allows them to share data and applications between them. Thus, according to the need and the business strategy, some resources are used privately, others are used publicly or are linked through technologies.
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What services does cloud computing have?
Currently, cloud computing offers a wide variety of services, tools and functionalities to meet the needs of companies. Among the main offers, 3 models stand out:
SaaS (Software as a Service)
SaaS allows access to software without buying its license, using it for free from the cloud, often with limited resources.
However, there are also payment plans in which a fixed rate is charged, a value that varies according to use or even free of charge, if the resource offers advertisements or another form of monetization.
In this format, the company accesses the software over the Internet, without the need to worry about installation, configuration and investment in licenses.
Many CRMs and ERPs work through SaaS. Email services and other public applications, such as Skype, Whatsapp, LinkedIn and Facebook also work with this type of model, which is why it is the most popular mechanism.
PaaS (Platform as a Service)
In this cloud model, a complete development environment is contracted on demandin which it is possible to create, modify and optimize software and applications.
The advantage of the PaaS model is that it includes operating systems, development tools, database management systems, business intelligence services and many other resources, in addition to all the infrastructure necessary to run or improve web or mobile applications.
The development team only has to worry about programming the application, since the administration, maintenance and updating of the infrastructure are the responsibility of the provider.
IaaS (Infrastructure as a Service)
In the IaaS model, infrastructure resources are rented, such as servers, routers, racks, datacenters, hardware and other tools that enable data transmission and storage.
Depending on the provider and the model that is chosen, the company can be charged, for example, by the number of servers used and by the amount of data stored or trafficked. In the IaaS model, you use what is necessary according to the company’s demand and pay only for what you use.
The great advantage of this model is its scalability. After all, in one month, you may require some virtual servers where you will store little data and have little traffic, while the next month, you may ask for double the resources.
Thus, the mechanism works like contracting a cable TV service, it is possible to cancel it, increase it or reduce it at any time.
Now that you are clear about the concept of cloud computing, I recommend that, before thinking about the best model for your company, you reflect on the needs and priorities of your businessbecause it is based on them that you will decide which services are fundamental and need this type of investment.
Defining the budget you have available will also help you choose the best implementation system: SaaS, PaaS or IaaS. Analyze the resources and functionalities you need and look for the providers that offer it, for example, cryptography and other security methodologies, efficient backup services, 24-hour technical assistance, etc.
In any case, it is always good to approach the cloud, at first, as an environment for experimentation and testing.
There is a wide variety available on the market. analyze and testsee how your company performs when using this type of service and gradually implement cloud computing in your processes.
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