A data center (abbreviated as it can still be called a data center) is understood as an entire building or at least a very large room where servers, telecommunications equipment and other modern devices are located that collect, store and process a wide variety of information.

The main feature of all data centers (data centers) is the layout of the premises, developed infrastructure and large areas that fully meet the needs of the stable operation of the center and provide services to data center customers.

Data center is a real warehouse of various information.


At first glance, the question seems to be quite simple, because it is necessary to locate servers and equipment somewhere so that it can work, but many do not understand why it is necessary to build entire buildings for this if you can simply create a server room in the organization.

The answer here lies primarily in the economic benefits of consolidating all production facilities in one place. This is reflected in a decrease in the total value of all the equipment available to the organization. Experts identify the following mechanisms to save financial costs if the organization has its own hosting center for a data center:

  • significant discounts from suppliers in the implementation of bulk purchases of computer and other telecommunications equipment;
  • discounts on Internet connection due to the possibility of recalculations for speed or data traffic;
  • Reduced administration costs by increasing the number of servers per IT staff member
  • a significant reduction in rent due to a decrease in the area occupied by servers;
  • if necessary, any load can be easily redistributed, which allows you to more urgently solve urgent business problems.

Simply put, in order for the Data Center to fully pay for itself, it is necessary that it be large enough, since the savings here are based on the principle of scale.


First of all, data centers and services for their main purpose are divided into corporate, which serve the interests of only one company, and commercial, the main purpose of which is to service third-party organizations.

Also distinguish between provider-independent and provider-dependent hosting centers data centers.


  • small – placed in unsuitable for the data center premises, they can perform a minimum of tasks and most often use is not the highest quality and modern equipment;
  • medium-sized centers are located on leased sites of the required size and operate through existing (not always sufficiently broadband) communication channels;
  • Large – provided with a separate building, which was designed specifically to accommodate a data center. Such data centers have their own (fiber-optic, satellite) communication channels through which servers are connected.

And of course, data centers vary in reliability. Experts identify four types of data centers – the first will have the lowest reliability rate, and the fourth, of course, the highest. The type of data center reliability depends on its infrastructure and security requirements.

Thus, data centers such as Tier 1 reliability (TIA-942 standard) will not be able to function if equipment fails or scheduled repairs are made. Tier 2 will continue to work, even if there is a slight breakdown or failure, but during the repair work, the functioning of this type of data center stops. Tier 3 and, accordingly, Tier 4 work in all situations, while the third type will have at least one backup server, and in the fourth type of data center all the equipment and all information stored on it will be reserved.

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