Monthly Archives: August 2015

VPN (Virtual Private Network)


The Best Way to Stay Connected Anywhere and Anytime

wordsmithvish.wizard Have you ever come across this acronym VPN (Virtual Private Network)? Do you have any idea what is it all about? Without getting into technical aspects, this can be explained with the help of an example. An employee can access computerized data of employer from remote location if both (employer and employee) are connected by VPN installed on their computers. Employee can work even while he is on vacation.

VPN can also be used to access website that is otherwise restricted in particular country or region. This because it creates virtual IP address

Eventhough VPNs make use of public networks to transmit data, they do not compromise with confidentiality and security of information. The share information in encrypted form. VPN creates a kind of tunnel between authorized computer systems. It securely connects two tunnel end-points. Data is disseminated in encrypted form from one tunnel end-point and can be decrypted only by other tunnel end-point.

You can use Local Area Network (LAN), WAN or any other kind of internet connection to get connected by VPN.

Some of the popular VPN technologies are listed below:

  1. Point-to-Point Tunneling Protocol (PPTP) by Microsoft
  2. Internet Key Exchange version 2 (IKEv2)
  3. Secure Socket Tunneling Protocol (SSTP)
  4. Layer Two Tunneling Protocol (L2TP)

You can choose log-in free (no need to log in) VPN services. Alternatively, you can opt for VPN service which requires user ID and password to be entered for gaining access. While VPN services can be availed of at nominal charge, there are also free VPN service providers. However, the speed may be slow for free ones.

You need to choose right service provider for installation of VPN as the security of organisational information is at stake. You may keep aforesaid VPN facts in mind and also read testimonials of various service providers to know about quality of their services. Here, speed is a major concern as some VPNs can be very slow.