VPN Virtual Private Network
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Transcript of VPN Virtual Private Network
Virtual Private Network
Rama Krishna N
Contents
What is VPN?VPN ComponentsWork FlowVPN TerminologyPopular VPNsPros and Cons
______________________________
• VPN : Virtual Private Network • Internet allows computers/networks at
distant locations to connect eachother
• VPN is Client – Server Technology
over Internet Securely
What is VPN ?______________________________
VPN Components
VPN Server
VPN Client
VPN Software
______________________________
Server
Client_______________________________________________
Server
Client
Work Flow
Authentication
Tunneling
Ecncryption
______________________________
Server Client
Network
192.168.X.Y172.164.A.B
172.164.A.B 172.164.C.D
Before VPN
After VPN
Server Client
Data TransferServer Client
Upload Download
______________________________Speed Matters …
Requires high speed internet to establish VPN Connection
Popular VPNs• Microsoft VPN• Pure VPN• Cisco VPN• Secure VPN• Open VPN and many more...
VPN Server and Client should be compatible
______________________________
Pros and Cons
• Safe and secure but deploying and configuring is difficult
• VPN is cost effective but internet of high speeds is required
• Easier to expand the network but VPN used at server and client ends must be compatible
______________________________
VPN Terminology______________________________
• https://www.youtube.com/watch?v=q4P4BjjXghQ • https://www.youtube.com/watch?v=4BfL0UHrzDY • www.cisco.com • http://www.bestanonymousvpn.com/
References______________________________
Any Queries..?
Thank you