Virtual private networks or VPN are a staple component of business-based remote connectivity and have been used for several years by enterprises since they replaced dial-up systems. Their unparalleled ability to provide secure and low-cost connectivity for remote networks and users has resulted in an increasingly vital role in workplace practices that have shifted to remote telecommuters and workers. There has been ongoing improvement over the years with prospects of further evolution in the near future.
VPN Overview
A VPN provides network connectivity over long physical distances. In this regard it serves as a form of WAN or wide area network. VPNs enable network services such as video conferencing and file sharing. VPNs can work over private business networks as well as public networks such as the internet.
- A method known as tunneling makes it possible for a VPN to run over similar hardware infrastructure of existing intranet and internet links. VPN technologies consist of various security mechanisms that are aimed at protecting virtual connections.
- While a VPN does not generally provide new functionality aside from what is already being offered through other mechanisms, it implements the services more affordably and efficiently in most cases.
- A VPN supports different modes of usage, including controlled intranet access, LAN to LAN networking and internet remote access for client connections.
Remote Access
Many organizations have recently increased workers’ mobility by enabling more of their employees to telecommute. Workers continue to travel and they face n increasing need to remain connected to company networks. Go to VPN Tumblr here.
VPN setups can support remote and protected access to corporate over the internet. Prior to VPNs, dialup systems and private leased lines were used by remote workers. An internet VPN provides a superior solution under many circumstances.
Internet
Aside from using VPN for remote access, it can also be used to bridge networks. This means that a whole remote network instead of one remote client can be joined to another company network for the purpose of forming an extended intranet. With this mode of operation a VPN to VPN server connection is used.
Intranet
Internal networks can use VPN technology to execute controlled individual subnet access in a private network. The VPN server acts as a network gateway in this situation. This form of VPN does not require public network cabling or an internet service provider. However, it enables VPN security benefits to be set up within an organization. This is a popular approach for businesses that want to protect local Wi-Fi networks.
Data Confidentiality and Integrity
- Properly designed VPNS utilize many methods to keep your data and connection secure. Data confidentiality is arguably the most essential service that a VPN implementation provides.
- Since private information travels over public networks, it is important to secure data and this can be achieved by encrypting data. This process involves taking that data that a computer sends to another to encode it in a way that the other computer will have the ability to decode.
It is also important to verify that data has not been changed during transit as well as to identify the source of data being sent.
