Cloud System Administrator

Computer solutions go through "the cloud." Almost all Internet users have made use of cloud computing on occasion, but many could not precisely define this concept. Therefore, today we explain what exactly "being in the cloud" is.

If you want to go deeper into this topic, we also recommend reading the free guide  Impact of Cloud Computing for Spanish SMEs , where you can see how Spanish SMEs have implemented the cloud and how it has benefited them. You can download it in PDF here .

Cloud computing involves moving part of the work from your computer or network of local computers to remote servers . These servers store the data and programs you need to work, so it is possible to access them from any device connected to the internet anywhere in the world.

A very popular example of cloud computing is web email , with services such as Hotmail, Gmail or Yahoo. Instead of installing an email program on your computer, the user of these services can log in remotely from different locations and using different devices. The mail program and file storage do not exist on the computer from which it is accessed, but they are in the cloud. Other widely used examples are Dropbox (a kind of online hard drive) and Google applications, which allow you to work with different types of documents online instantly.

How the cloud works: Its architecture
To better understand how the cloud works, it is useful to think of the cloud system as two separate parts: the front end and the back end. For the system to work, the two parts must be connected to each other through the internet.

In the front end we have the computer or computer network of the end user and the program used to access the cloud . In the case of email services, this program will simply be an internet browser, such as Google Chrome, Internet Explorer or Mozilla. However, in other cases it will be necessary to have a specially dedicated application to gain access.
In the back end we have the computers, servers and data storage systems that make up the cloud. Normally, each application has its own server. A central server is responsible for controlling traffic to ensure that everything works correctly and that the demands of customers (local computers accessing the cloud) are satisfied. This server follows a series of rules called protocols and uses special software called middle-ware. Middle ware allows network computers to communicate with each other. To ensure that data will always be accessible, cloud computing systems have at least twice the necessary devices to store them and make copies of the data in different locations. Thus, if one of the computers has a problem, it will always be possible to access the copy. This system of data backups is called redundancy. cloud system administrator


Advantages of the cloud for the company
A great advantage of working in the cloud for businesses is that it allows to reduce costs of hardware by the company. It is no longer necessary to have the fastest local computers or with more memory, because the information is not stored on them but on the servers that make up the cloud.

At the software level, working in the cloud is also very profitable. Traditionally, when a company needed to use a certain program, it had to install a copy of it on all computers, which involved time and licensing costs. Now, all employees can access the software in the cloud from anywhere .

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