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VPN - get connected anywhere anytime

What is VPN

VPN (short for Virtual Private Network) is a technology that establishes a private or secure network connection within a public network, such as the Internet.

It is another example of good use of the pervasive public network - Internet. Businesses can use VPN to extend their office network to wherever the Internet reaches.

MYTH vs TRUTH

 

Myth VPN is too complicated to implement.

Truth In most of cases, you existing resources are sufficient. Implementing VPN is a couple mouse click away, and it is reliable and easy to use.

 

Advantages

  • Low cost - use Internet as opposed to private dedicated line
  • Secure - VPN use encrypt technology to tunnel the information transferred over the public network

Two type of VPN implementation.

Client-to-LAN - connect remote user to office network

Figure: Client-to-LAN deployment

LAN-to-LAN - Link multiple office network together

Figure: LAN-to-LAN deployment