What Remote Desktop Protocol is and how it works

Remote Desktop Protocol is the Microsoft proprietary protocol that enables the Remote Desktop functionality in the Windows environment, thus satisfying a much-felt need, especially in the business environment. Born with Windows XP, the client is also available for MacOS, Linux, and Unix.

What is Remote Desktop Protocol, Microsoft’s proprietary protocol?

Let’s start from the definition: Remote Desktop Protocol or RDP happens to be a proprietary Microsoft protocol industrialized to provide the user along with a graphical interface to connect to another computer via the network. The system consists of a client and the RDP server installed on the remote desktop: the client was released for the first time in 2001 with Windows XP and has been constantly updated up to Windows 10. In its essence, therefore, Buy RDP allows the client to connect and control the server via a graphical interface and local I / O devices.

Remote Desktop Protocol is one of the components that enable Microsoft Windows Remote Desktop Services, Microsoft’s server-based technology that has taken place – at least in the nomenclature – of the Terminal Services of Windows Server 2008 and earlier versions. Essential components of the Remote Desktop Services (RDS) architecture are, on the server-side, the Terminal Server and the Remote Desktop Gateway, while on the client-side, we find the Remote Desktop, or more correctly, Remote Desktop Connection (RDC).

How RDP works

On a technical level, Remote Desktop Protocol (RDP) is a multichannel type protocol based on the ITU-T.120 family and compatible with various network topologies, including TCP / IP, ISDN, and various LAN protocols.

As a multichannel protocol, it has several distinct virtual channels for presentation data, communications with peripherals, highly encrypted data (keyboard, mouse), etc. Among the noteworthy features of Remote Desktop Protocol, we can point out, in addition to the obvious data transfer capabilities between client and server and negotiation, support for multi-point communications, useful for real-time transmission of data from an application to more users, as well as the availability of 64,000 separate channels for data transmission. All RDP activity is handled by the Terminal Server device driver and its components, including the RDP driver, which handles transfers, encryption, and the user interface. Still, in the field of protocol characteristics, 128-bit data encryption through the RC4 algorithm, the audio redirection function allows you to listen to the audio of the remote desktop on the local station, printer, and port redirection, is equally relevant. Although RDP has been subject to security issues in the past caused by some vulnerabilities, Microsoft has invested heavily in security, and newer versions of the protocol implement advanced access management mechanisms.

Why a Remote Desktop solution

The needs that lead to the use of a remote desktop solution can be the most disparate, especially in the corporate environment: start a session on an employee’s laptop, control their office desktop PC from home, access to a mobile device to manage its data and so on. Especially in large organizations, where the amount of devices to manage is very large, IT’s pressure for the solution of routine problems is very strong: this is why an enterprise-type remote desktop solution allows quick access to the terminal remote and manages the problems. Finally, the remote desktop is also used by private users to connect different work or leisure stations to share their resources.

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