In this instance, when such traffic passes through intermediate nodes ( for instance, through your supplier), it’s hopeless (more exactly, incredibly difficult and pointless) to decipher and comprehend what’s indoors. Yes, it’s not so clear yet, but there’ll be an example and it’ll end up clearer.

Do I want a VPN, when and how is it used?
For the home user, the common usage of the professional services of VPN suppliers lies in hiding information about the user, in addition to getting access to resources that are blocked. For the corporate user, the main job of VPN is a safe access to remote objects (or between items).
Consider the normal position for the business:

You got the Data Center in Los Angeles, the main office in New York as well as two facilities, for instance. You’re a system administrator who’s found directly in New York and your endeavors include keeping the data center (assessing servers, repairing faults, identifying gear jambs, etc.). And here there’s a question the best way to do this?
In this situation, there are lots of choices:
While shutting all unneeded interfaces with access lists, configure the remote access through open channels. The issue with this specific alternative is because there’s access, and it’s also for you, but in general for practically any network user;

Request the supplier to allocate you a different network (something of sort of the large local region). The issue with this specific alternative is the fact that this PPC is indeed pricey, and direction is not likely to consent to this;
This choice is the most rewarding, since it’s practical as well as inexpensive. It CAn’t be opened and seen what’s indoors. So, no one can connect on the Net to the data center, since they cannot get into this virtual tunnel.
Here is everything which you wish to understand about the VPN functions in general.

The benefits of using VPN:
Organization of accessibility to resources that are essential from any place in the world;
Concealing actual info regarding the user (info, IP address, Internet action and all type of that);
You may safely browse the Net from the Internet cafe (but no one has deleted the antivirus).
And also the disadvantages:
Some problem together with the setup.