Deep Dive Into VPN

This is a presentation I gave in my college Network class. I briefly explained what VPNs are and the basic technologies behind them.

Transcript

1. Deep Dive Into VPN Yuto Urushima COMP421 Introduction to Networking
2. A virtual private network (VPN) is an overlay network that uses network virtualization to extend a private network across a public network, such as the Internet, via the use of encryption and tunneling protocols. In a VPN, a tunneling protocol is used to transfer network messages from one network host to another. Wikipedia - Virtual private network
3. I have a general idea, but I don't know the details.
4. Technologies that make up a VPN Tunneling Encapsulation Authentication Encryption
5. Tunneling Virtual Tunnel Machine VPN Equipment VPN Equipment Machine
6. Encapsulation Additional Header Additional Header Header Original Data Header Original Data Encrypted Data
7. Authentication ❌ ✅ Authentication
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9. Thank you!