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Dated: Oct. 21, 2013
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Networking In GeneralThere are two key advantages that VPN gives to organizations who are seeking to have safe and secure networks and offer them to their client base. Those advantages are a lot less money to pay and a great network scalability. It is also very easy to use, so clients that join VPN networks won't find it difficult to do what they want.
Money Saving with a VPN
We have mentioned that VPN costs a lot less money. It does that by getting rid of the need for costly leased lines over huge distances. It also lessens the costs of phone calls that go over big distances and lessens support costs.
Comparing leased lines and VPN
A long time ago, companies and organizations had the need to rent network capacities called T1 lines in order to get safe, and also complete connections that go from one of their offices to another. When you have a VPN, it is implied that you are using a public network in order to establish the connections we mentioned in the previous sentences and also go into networks by using less costing local leased lines.
Long distance phone charges
It is also possible that a VPN replaces dial up connections over huge distances and remote access servers. If you have VPN, clients don't have to connect to these outdated services, they can connect to the access point that is closest to them.
Support costs
When you have VPN you are paying a lot less money to maintain servers.
VPN Network Scalability
A company or organization that has 2 branch offices has the possibility to create 1 dedicated line in order to link two places, but if the company has four branch offices they will need six lines, six branch offices will need fifteen lines, and it exponentially grows. Like those numbers, the cost exponentially grows.
These problems of scalability are easy to avoid if you just go into public lines, which is something that VPNs do all the time. Especially if you are talking about very distant or places that are abroad, a VPN gives you huge advantages like great quality, less cost and a whole lot of other things.
Using a VPN
Every client must have the right networking hardware or software support in order to use VPN. If they are set up in the right way, a VPN is very simple and it is possible to make operate as an automatic part of the network, which means that it automatically starts working when you sign in to the network. Wi-Fi networks also operate very good with VPN. There are companies that make wireless networks safe by using VPN. This doesn't affect the speed of the network very much, and they give pretty strong protecting powers.
Drawbacks of a VPN
Although they are hugely popular, this network is not flawless and there are certain drawbacks. Companies have to take into account the problems that can be created if you use VPNs:
1. Virtual Private Networks need your staff or you to be very well informed or educated when it comes to security of networks and networking setting, installation and other things considering networks.
2. There are certain problems with the reliability of VPNs because they are not dependent of you but instead they depend on the local ISP.
3. In the past, devices and products for VPN that came from different vendorss and manufacturers didn't work very well with each other. If you try to combine devices from different vendors you may see errors, technical problems, and this could limit all your benefits, especially cost efficiency.
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