Virtual Private Networks Explained

A virtual private network (VPN) is a particular kind of secured network. As the Internet expands further, the threats of data and personal information is. VPN will provide a secure connection over a public network like the Internet. Extranets can also use a VPN connection in order to provide security in the transfer of information between a company and its external users or offices.

VPN connection provides authentication, confidentiality andIntegrity in providing a secure connection between two locations or devices. VPN uses virtual connections as a VPN tunnel instead of a specific layer 2 connection (leased line), which are routed over the Internet from the private network of an organization, the remote site or employee host.

Types of VPN connection

There are two types of VPN access:

Site-to-site

Site-to-site VPN connects entire organization network from any others, for example, they may have a branch network to connect to a network company. Each site is equipped with a VPN gateway, such as a router, firewall, VPN concentrator, or security appliance.

Remote Access

Remote-access VPNs allow individual hosts or clients access to a corporate network securely over the Internet. Each host typically has VPN client software loaded or used a web-based client.

Enjoy> VPN

The various advantages of VPN include the following:

i. Security: Virtual Private Networks provides a very high level of security through enhanced encryption and authentication protocols that protect data from unauthorized access.

ii. Cost savings: Virtual Private Nnetworks enable companies to connect the global Internet usage to remote offices and remote users to the main corporate website together, so eliminating expensive dedicated WAN links and modemBanks.

iii. Scalability: Because VPNs use the Internet infrastructure within ISPs and devices, it is easy to add new users. Companies will be able to add large amounts of capacity without significant additional infrastructure.

iv. Compatibility: VPN technology is supported by most broadband providers, such as DSL and cable, so that mobile workers can take advantage of their home high-speed Internet service to enable them to access their company network.

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