15-10-2010, 02:52 PM
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This article is presented by:Sahil Sikka
Rohit Thapliyal
What is VPN?
Virtual Private Network is a type of private network that uses public telecommunication, such as the Internet, instead of leased lines to communicate.
Became popular as more employees worked in remote locations.
Gives users a secure page link to access corporate network over the Internet
Private Networks vs. Virtual Private Networks
Employees can access the network (Intranet) from remote locations.
Secured networks.
The Internet is used as the backbone for VPNs
Saves cost tremendously from reduction of equipment and maintenance costs.
Scalability
Remote Access Virtual Private Network
Brief Overview of How it Works
Two connections – one is made to the Internet and the second is made to the VPN.
Datagrams – contains data, destination and source information.
Firewalls – VPNs allow authorized users to pass through the firewalls.
Protocols – protocols create the VPN tunnels
Four Critical Functions
Authentication – validates that the data was sent from the sender.
Access control – limiting unauthorized users from accessing the network.
Confidentiality – preventing the data to be read or copied as the data is being transported.
Data Integrity – ensuring that the data has not been altered
This article is presented by:Sahil Sikka
Rohit Thapliyal
VIRTUAL PRIVATE NETWORK
What is VPN?
Virtual Private Network is a type of private network that uses public telecommunication, such as the Internet, instead of leased lines to communicate.
Became popular as more employees worked in remote locations.
Gives users a secure page link to access corporate network over the Internet
Private Networks vs. Virtual Private Networks
Employees can access the network (Intranet) from remote locations.
Secured networks.
The Internet is used as the backbone for VPNs
Saves cost tremendously from reduction of equipment and maintenance costs.
Scalability
Remote Access Virtual Private Network
Brief Overview of How it Works
Two connections – one is made to the Internet and the second is made to the VPN.
Datagrams – contains data, destination and source information.
Firewalls – VPNs allow authorized users to pass through the firewalls.
Protocols – protocols create the VPN tunnels
Four Critical Functions
Authentication – validates that the data was sent from the sender.
Access control – limiting unauthorized users from accessing the network.
Confidentiality – preventing the data to be read or copied as the data is being transported.
Data Integrity – ensuring that the data has not been altered
