VPN service is utilized both by individuals and business organizations to secure various features which they could not secure on their own on the internet. Network access can be achieved by internet users no matter where they are situated. All the devices possessed by the subscriber can be used to access the network. Trusted VPN and Secure VPN are the two types of VPN mechanisms. VPN companies can either use both of these mechanisms or can provide a single type of mechanism to the subscriber. Trusted VPN service uses private circuits whereas Secure VPN operates on public internet network and the network sends encryption internet network. Hybrid VPN is the term given to the companies that use secure VPN over trusted VPNs. Subscribers can understand the technology behind VPN service if they are able to understand both these services clearly.
Trusted VPN
Private trusted circuits are used by trusted VPNs and these private circuits are leased by the company from a telecommunication vendor. Trusted VPN service is implemented through three technologies, which include ATM circuits, MPLS and frame-relay circuits. All these circuits operate based on OSI model and there are three layers in OSI model: layer 1, layer 2 and layer 3. First layer is the physical layer and second layer is the data link layer and this where both frame-relay and ATM circuits operate. Third layer is the network layer. MPLS, which is known as Multiprotocol Label Switching, has started replacing the other two types of circuits. Nowadays, only MPLS is used for implementing trusted VPN. Many multi-national companies and service providers use MPLS. This is the technology behind VPN for trusted circuits.
Secure VPN
In the case of secure VPN, the VPN may use L2TP with encryption or could even make use of PPTP with encryption. Many secure VPNs use L2TP over IPSec protocol network. Network encryption is quite standard. IPSec utilizes cryptographic protocols and the two main purposes of these protocols are for encryption key exchange and network packet security. PPTP is one of the most popular types of encryption and this is provided by many service providers. Windows utilizes PPTP for all of their Operating System platforms and this has made the protocol very popular. PPTP VPN can be setup easily on many devices and that is one of the main reasons for its popularity. At present there are a lot of VPN service providers that provide Secure Socket Layered VPN connection to its subscribers. Internet users should have understood the technology behind VPN in a simple way. They should also know the advantages that they get from a VPN service.
Advantages of using VPN
After understanding the technology behind VPN, now let us look into the beneficial aspects of VPN service.
- VPN service can be used by internet users to unblock all different online restrictions. Unlimited access to all the websites can be obtained by the subscriber with the use of VPN.
- Security and anonymity provided by VPN service gives it a competitive edge on the internet, since none of the other alternative solutions provide this benefit to the user.
- Good internet network, good picture quality, customer support, reduced data traffic, and many more features can be obtained by the subscriber only using VPN.
There might be few risks when using a VPN service, but all those do not have an impact. Beneficial aspects provided by VPN just overpower the drawbacks.The most reliable and efficient VPN service providers are given below.
Best 5 VPN service providers
| Rank | Provider Name | Starting Price | Money Back Guarantee |
Visit Provider Site |
 |
ExpressVPN | $6.67/month | 30 Days |  |
| 2 | IPVanish | $10.00/month | 7 Days | |
| 3 | Hidemyass | $11.52/month | 30 Days | |
| 4 | VyprVPN | $10.00/month | 7 Days | |
| 5 | StrongVPN | $21/ 3 months | 7 Days | |
