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The Workings Of A Virtual Private Network

virtual-private-networkWhen businesses or companies have to communicate via the internet, they have to be extremely careful because it is possible for the data to leak out to competitors if a secure method is not utilized. Previously, it was very difficult for businesses to communicate because there weren’t any reliable method to do so. However, nowadays a virtual private network or VPN offers this facility to companies. A VPN service is one that provides a business with the tightest security possible on the internet and is not open to traffic from the competitors or the public. A direct private pathway is used for connecting remote users and even the multiple sites of users.

The need for a WAN i.e. wide area network is altered with the installation of a virtual private network because the company’s network needs are simplified by a VPN. In addition to that, it also opens up the possibility of global networking for the company and gives it the opportunity of extending its telecommunication. Regardless, when a business is aiming to build a secure virtual private network, it needs to have scalability, reliability and management of the network. Moreover, the company also has to design policies that can be used for maintaining and running the VPN. The business itself can choose to manage the VPN or can also contract this task to a VPN provider.

A special vocabulary is used by a virtual private network for describing its own components. A business should know the vocabulary when they buy VPN. The points at which lines and connections intersect are defined as nodes. Traffic is usually monitored by notes through a router or server. Entry is allowed into the network or out of it via the network access servers or NAS. The connection is controlled via standards that are defined as protocols. When one protocol is encapsulated into another, it is called tunneling. This can make a VPN work effectively because it provides secure pathways even in questionable networks.

There are two common and well-known types of a VPN service that can be used by a business. A remote-access VPN is also referred to as the virtual private dial-up network. Companies having a large number of remote users use this type of VPN for their communication needs. The connections have to be secure because employees are connected to the network from different parts of the globe. The connection is usually strongly secured with the help of encryption.

This is the first type of VPN that can be used. Another type is site-to-site connections. This particular one alludes to various fixed locations that have to be connected securely. Sometimes shared projects or contractual obligations force companies to connect to other companies. This is a site-to-site extranet form of VPN. The ones that are used for a company’s internal connections are defined as site-to-site intranet. Neither of these networks can be seen by the public and need permission and authorization to be accessed. Thus, a business can buy VPN as per their communication needs.

Written By

Waqar Hassan is a Creative and Technical Writer who is currently signed with PrimoVPN. He loves to write about almost anything, especially on topics relating VPN Service, Android, Server Backup, Web Designing, etc. He can be followed on twitter @HassanGill or can be reached at [email protected]



  1. Rohit

    July 12, 2013 at 6:12 pm

    i don’t know much about the VPN (virtual private network), this article helped me a lot regarding this.. thanks a lot for the same..:)

  2. harshi

    July 13, 2013 at 3:03 pm

    That’s really informative ! a nice post though

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