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The simplest definition of a terminal server is: a terminal server is a powerful computer device with a server OS installed. Client machines ( so-called thin clients ) are connected to the Terminal server, low-power user computers whose only task is to provide the user with access to the main computing resources located on the terminal server.
The server contains a number of specialized programs that allow you to set up independent sessions for each remotely connected user.
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Within these sessions, users can launch the required applications as if they were working on a wordpress web design agency local PC, but in fact, they only receive a "picture" on the screen - video transmitted by the server. To work with the computer, a mouse and keyboard connected to thin clients are used. Data from them is read and transmitted to the terminal server. As a result, the user gets the absolute illusion that he is working on a thin client.
Who needs a terminal server and why
Of course, the primary goal of organizing a terminal server is to save business money.
For example, if there are only 5-10 employees on staff, it is quite possible to organize for each of them their own workstation with a full-fledged personal computer. However, for large companies this can result in significant expenses, especially if users need to operate resource-intensive applications.
In addition, in the case of modernization, associated, for example, with the transition to more powerful versions of software, all user computers will have to be replaced or upgraded at once.
The terminal server allows management to significantly reduce costs on computer components.
Thin clients can operate for years without any loss of performance. No resource-intensive calculations are performed on their side, their only task is to provide communication between the user and the terminal server.
At the same time, the terminal server can be expanded and updated indefinitely depending on the number of employees on staff and the complexity of their tasks. An important point: it is much easier to service one single machine, even an expensive and powerful one, than to deal with purchasing a large number of computers or components.
So, what exactly can thin client users do? As we wrote above, when turned on, the thin client loads the minimum OS required to connect to the server. At the moment of connection, the server generates an individual session for the user, and the user gets into a full-fledged operating system, with its own programs, files and directory structure. It will not be possible to "spy" on someone else's work: the user is strictly limited within his account. At the same time, he can freely launch any programs, go online, connect to external and internal services as if he were sitting at a real "physical" computer.
Among other advantages of the terminal server, the following can be highlighted:
The ability to grant different rights to different users . For example, some users may only have the rights to read information from shared folders, while others may be allowed to edit.
Security : Since only one device actually goes online, it is enough to install one copy of antivirus software or, for example, install a physical firewall, and all thin client users will be reliably protected from any malicious interference from the outside.
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