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It is known as net to the structure that has a characteristic pattern, which allows linking its various components. From this meaning, we can talk about different types of networks.

A computer network It is one that is made up of computers (computers), peripherals and other devices that are interconnected so that they can share their resources. According to the interconnection mode, the relationship between the elements and other issues, computer networks can be classified in different ways.

Among the computer networks is the call Red lan , an acronym that refers to Local Area Network (Local area network ). These networks link computers that are in a small physical space, such as an office or a building. The interconnection is done through a cable or waves.

Computers that are connected to a LAN are known as nodes : each node, therefore, is a computer. Thanks to the network, users of these computers can share documents and even make common use of certain peripherals, such as a printer .

The advantages of installing a LAN network in a company or even in a house they are numerous. When sharing a printer, for example, it is not necessary for each user to have their own device, which saves a lot of money. On the other hand, the ease of accessing documents hosted on any node of the LAN is very useful when working together.

Saving exceptions, the speed Data transmission within a LAN is much greater than that achieved through the Internet, since the devices that link computers or other devices together within a building often exceed it several times; for example, it is normal to use a router capable of reaching 300 Mb / s down (Megabits per second, which is equivalent to 37.5 Megabytes per second), even to take advantage of services that do not exceed 12 Mb / s .

In a case like this, although while each node could download data at a maximum of 12 Mb / s from the Internet, if a user wanted to access files that were in the local area network, he could obtain them at a theoretical peak of 300 Mb / s, a speed 25 times higher. As if this benefit were not enough, while using the local connection is not spent traffic Internet service, which can be useful in the case of limited plans or when the volume of data to be transferred is too large.

The history of video game reserve a very special space for the LAN, since it was thanks to this possibility to connect the equipment that the doors opened to a new way of experiencing fun . At first, it broke the limit of players who could compete or collaborate in the same game, which at the time was linked to the capabilities of each console or computer and the creativity of the developers; but over time it served as an experimental phase for the network of networks, Internet.

Although the LAN network may seem reserved for business, many players still enjoy their possibilities to have fun with friends or even to compete in the most important tournaments in the world, where Internet instability would be fatal . As in other aspects of computer science and electronics, experts have many factors in mind when building, optimizing and maintaining their local networks, from the brands and models of the components to the most remote details of the software configuration, to make sure not to waste a single fraction of a second.

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