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Virtual Private Network. VPN, Virtual Private Network. A set of software and hardware that allows connecting segments of a global communication network through an open public network while ensuring maximum security of the transmitted information without physical allocation of transmission channels and data processing nodes. To put it simply, this is a technology that makes it possible to create virtual secure networks for transferring confidential data over open communication channels.
VPLS (Virtual Private LAN Services) is a virtual private LAN service that allows you to combine many distributed networks into a single whole. At the same time, the provider plays the role of a switch connecting nodes, and the client gains full control over the functionality of the network. This approach has several advantages: encryption of transmitted data, hiding the real IP address, the ability to use IP addresses of various countries USA(,,, Russia Ukraine countries Europe , etc.).
Access Point Name (APN) improves information security and business mobility by providing secure remote data access. APN (Access Point Name) - the protocol by which the user gets access to data transfer. The service is intended for companies that need secure remote access to company resources (information, equipment, transport) and data exchange between them, for example:
- banks and payment systems - for communication with ATMs and payment terminals,
- energy, raw materials, construction companies and utilities - to transfer information from sensors installed at the facilities,
- logistics and transport companies - to control the cargo transportation of transport, courier services, navigation systems for taxis, fleets,
- security companies - for secure data transmission, alarm.
VPN protocols that have evolved over the past decades:
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