A VPN concentrator is a type of networking device that provides secure creation of VPN connections and delivery of messages between VPN nodes.
It is a type of router device, built specifically for creating and managing VPN communication infrastructures.
The VPN Concentrator creates a virtual private network by creating a secure connection across a TCP/IP network (such as the Internet) that users see as a private connection. It can create single-user-to-LAN connections and LAN-to-LAN connections.
The secure connection is called a tunnel, and the VPN Concentrator uses tunneling protocols to negotiate security parameters, create and manage tunnels, encapsulate packets, transmit or receive them through the tunnel, and unencapsulate them. The VPN Concentrator functions as a bidirectional tunnel endpoint: it can receive plain packets, encapsulate them, and send them to the other end of the tunnel where they are unencapsulated and sent to their final destination. It can also receive encapsulated packets, unencapsulate them, and send them to their final destination.
It is a type of router device, built specifically for creating and managing VPN communication infrastructures.
The VPN Concentrator creates a virtual private network by creating a secure connection across a TCP/IP network (such as the Internet) that users see as a private connection. It can create single-user-to-LAN connections and LAN-to-LAN connections.
The secure connection is called a tunnel, and the VPN Concentrator uses tunneling protocols to negotiate security parameters, create and manage tunnels, encapsulate packets, transmit or receive them through the tunnel, and unencapsulate them. The VPN Concentrator functions as a bidirectional tunnel endpoint: it can receive plain packets, encapsulate them, and send them to the other end of the tunnel where they are unencapsulated and sent to their final destination. It can also receive encapsulated packets, unencapsulate them, and send them to their final destination.
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