What are concentrator in networking?

What are concentrator in networking?

A concentrator usually provides communication capability between many low-speed, usually asynchronous channels and one or more high-speed, usually synchronous channels. ISP used concentrators to enable modem dialing; this kind of concentrator is sometimes called a modem concentrator or a remote access concentrator.

How does a VPN concentrator work?

A VPN concentrator establishes multiple encrypted VPN tunnels at the same time and provides a secure and encrypted connection between different VPN nodes. Basically, a VPN concentrator creates and helps to manage multiple VPN connections remotely. This device extends the capabilities of a VPN router.

What is the purpose of VPN concentrator?

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.

What is a VPN and what does it do?

A VPN connection establishes a secure connection between you and the internet. Via the VPN, all your data traffic is routed through an encrypted virtual tunnel. This disguises your IP address when you use the internet, making its location invisible to everyone. You can still access them using the VPN.

What are the two main types of network models?

Networks are divided into two types, a LAN (Local Area Network) or a WAN (Wide Area Network), which are generic terms referring to two important basic types of networks.

What is the difference between multiplexer and concentrator?

Multiplexers, concentrators, and selectors, also known as datacom handlers, increase the number of input/output devices that can use a communication channel. A concentrator differs from a multiplexer in that it allows data to be transmitted from only one terminal at a time over a communication channel.

How much does a VPN concentrator cost?

The Netgear ProSafe SSL VPN Concentrator — currently selling for about $350 — is one of the more affordable choices. ProSafe allows for 25 concurrent tunnels and is tailored for small to midsize businesses. You can still use a traditional VPN combo device as well.

Where should I put VPN Concentrator?

VPN concentrators are deployed at the corporate network edge, either just inside the border firewall using a single interface or in parallel with the firewall configured in passthrough mode with an inside and outside interface.

What are three network models?

Answer: Three types of network models and their associated distributions: (a) random network, (b) scale-free network, and (c) hierarchical network.

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