First of all, what is VPN and why do you need VPN? You see, in today's world, security is a big concern. Thousands and even millions of dollars can be lost because of a security breach. When you have top secret or confidential information stolen, or if you have someone breaking into your computer system and deleting important information, you have a lot to lose.
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Logically, why should WE pay for our commute in the first place? Commute is often not an important consideration when businesses choose their location. There is neither government nor business supported program for decreasing commute, thus saving OUR money. They simply do not have a strong incentive to care. We, commuters, do, and Global Warming and air pollution is a big concern as well.
For example it is increasing commonplace that in a campus network just about all high bandwidth communications is Ethernet based. Also many things that used to be separate such as voice, CCTV, security/card locks can be migrated. Although you might need something to drive the migration. Can someone say cost savings??? Don't forget scalability with future technologies and increased performance efficiency too. All three will go over very well with your Big Boss .... and your shareholders.
And the reason why I mention this interesting fact is because when it comes to business development, many IT companies simply "mate" their situations with the prevailing orthodoxy of the whole industry, and end up doing what the rest of the industry is doing.
Try to read reviews about vpn providers' reliability. Whether a provider's reliable or not depends on the stability of the connection, if there are down times and the number of times it happens.
Find out if there's a limit on the VPN's bandwidth. You require a big bandwidth limit if you will connect to the web daily, download, or watch videos and movies online.
Wired security will include NAT ( Network Address Translation) this takes your public IP address and converts it into multiple private IP addresses. Some people consider this a firewall but it isn't because it doesn't block unwanted outgoing addresses.
The main things to remember are: 802.11g is faster than 802.11b, enable the basic security features and finally choose the router that will fit your needs.