Types of VPN and types of VPN Protocols

The Rundown

Different Types of VPN Protocols
In the tunneling mode, the entire data packet is encrypted. This is also known as an Intranet based VPN. How the Nehalem Microprocessor Microarchitecture Works. Quite a long name for the most commonly used VPN. Remote Access VPN is useful for business users as well as home users. Are you someone who needs a VPN? Cost is another factor that comes into play during this decision process.

What is a VPN?

Different types of VPNs and when to use them (Updated 2018)

This is the most common and widely used VPN protocol. They enable authorized remote users to connect to the VPN network using their existing Internet connection and then log on to the VPN using password authentication. It allows different sites of the same organization, each with its own real network, to connect together to form a VPN.

Unlike PPTP, the routing, encryption and decryption is done by the routers on both ends, which could be hardware-based or software-based. L2TP was developed by Microsoft and Cisco. Tried and trusted protocol which sets up a tunnel from the remote site into your central site.

IPSec requires expensive, time consuming client installations and this can be considered an important disadvantage. They offer higher flexibility at both clienbt and server levels and bound to be expensive. Deciding which VPN is the best is not easy. It depends on lot of factors like the number of users, bandwidth, security and cost.

PPTP VPNs are ideal for personal use and business because they do not require the purchase and installation of extra hardware and features typically offered as inexpensive add-on software. The fact that many companies have offices located both nationally and internationally, a Site-to-Site VPN is used to connect the network of the main office location to multiple offices.

This is also known as an Intranet based VPN. In simple terms, Site-to-Site VPNs build a virtual bridge that joins networks at various locations in order to connect them to the internet and maintain a secure and private communication between these networks.

However, there is no dedicated line in use allowing the various sites within a company as we just mentioned connect to form a VPN. Also unlike PPTP, the routing, encryption, and decryption is done by either hardware or software based routers on both ends.

The similarities exist in terms of their lack of encryption and that both rely on PPP protocol to do this. They begin to differ with regards to their data confidentially and data integrity. IPsec is an abbreviation for Internet Protocol Security.

A tunnel is set up in a remote site allow access to your central site. An IPsec works to secure the internet protocol communication by verifying each session and individually encrypts the data packets throughout the connection. The two modes are transport mode and tunneling mode.

Both modes are to protect data transfer between two different networks. During the transport mode, the message in the data packet is encrypted. In the tunneling mode, the entire data packet is encrypted. A benefit to using an IPsec VPN is that it also can be used in addition to other security protocols to provide a stronger security system. Although an IPsec is a valuable VPN to have, a great disadvantage to utilizing this protocol is the expensive time consuming client installations that must occur prior to usage.

These two work as one protocol. Both are used to build a VPN connection. This is a VPN connection where the web browser serves as the client and user access is restricted to specific applications only instead of an entire network.

This is because web browsers switch to SSL easily and require practically no action from the user. This is primarily due to the fact that MPLS are the most flexible and adaptable option. MPLS is a standards based resource that is used to speed up the distribution of network packets over multiple protocols. It also is not easy to make modifications. Although these two types of VPNs are used separately at different sites. However it is possible to use both at the same site.

This equipment is usually in the form of a router or multipurpose security appliance. Through this router or multipurpose security device, data is encrypted and form the VPN tunnel as discussed above. Hybrid VPNs are utilized by companies primarily because using MPLS for their sites would not be the most appropriate choice for their site. There is a great amount of advantages that MPLS has over public internet connections, however the cost is high. Therefore using a hybrid VPN allows you to access the central site through a remote site.

Hybrids VPN are overall costly however offer greater flexibility. In conclusion, making the right choice about which VPN is for you might be a difficult one. In order to determine which VPN is right for you, first determine what type of security it is that you would like to have.

Types of VPN