What is Virtual Private Network (VPN)? Descriptive Introduction of VPN With It’s Types

What is Virtual Private Network (VPN)? Descriptive Introduction of VPN With It’s Types

Every other individual is hungry of knowledge for one or the other topic but if you are hungry to get knowledge on VPN, you are at the right platform. Today we will e discussing about VPN (virtual private network) and its type in brief do that you can get some information what VPN is with an example. You all might be working from home these days, this is one of the best example to understand VPN.

Introduction

A virtual private network (VPN) is an encrypted connection that is completely isolated from the rest of the Internet. For instance, many videos are saved on Youtube and it is somewhere stored in data centre either it is in US, Australia, Japan or India. You can view that video from your home. Every webpage either it’s Google or any link has been assigned a particular IP address. Moreover, this process has advantages and disadvantages too.

Moving on the advantages, the first advantage is that you can use internet very easily through this IP Address and you can access any information sitting at your home. It provides organizations, people, and businesses to use network resources easily. If you are doing work from home it is also using VPN network as it allow you to work with wireless internet which is isolated from the rest of the world.

Now sharing the disadvantages, the main disadvantage is that they track our IP addresses and know which IP address you use frequently or even your government might be keeping an eye on your work. Secondly, if you are using open network from somewhere, your data can be hacked in some cases. In most of the cases VPNs are free now.

You can see this video on VPN

What is VPN tunnel?

A VPN tunnel is a encrypted link between your device and the internet or between two private networks connected on internet. A VPN tunnel created using some tunneling protocols:

• PPTP (point-to-point Tunneling Protocol)
• L2TP (Layer 2 Tunneling Protocol)
• SSL (Secure Sockets Layer)
• TLS (Transport Layer Security)
• IPsec (Internet Protocol Security)
• OpenVPN

Types of VPN network

Now coming on to types of Virtual Private Network (VPN), there are basically two types of network:

1. Remote Access VPN:
   Remote Access VPN allow a user to connect to a private network. Similarly VPN access all its services and resources remotely. Due to the internet the connection between the user and the private network occurs and the connection is secure and private. Remote Access VPN is useful for home users and business users both to bypass regional restrictions on the internet and access blocked website.

For example, an employee of a company or some organization goes out of station uses VPN to connect to the company or to send or access some files or data.

2. Site to Site VPN:
   A Site-to-Site VPN is also called as Router-to-Router VPN and is commonly used in the corporates. Enterprises, with branch offices in different locations, use Site-to-site virtual private network to connect the network of one office location to the network at another office location.

It is further divided into two types i.e. Intranet based VPN or extranet based VPN.