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Virtual Private Network
Rama Krishna N
Contents
What is VPN?
VPN Components
Work Flow
VPN Terminology
Popular VPNs
Pros and Cons
__________________________...
• VPN : Virtual Private Network
• Internet allows computers/networks at
distant locations to connect eachother
• VPN is Cl...
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 e...
Popular VPNs
• Microsoft VPN
• Pure VPN
• Cisco VPN
• Secure VPN
• Open VPN and many more...
VPN Server and Client should ...
Pros and Cons
• Safe and secure but deploying and configuring
is difficult
• VPN is cost effective but internet of high
sp...
VPN Terminology______________________________
• https://www.youtube.com/watch?v=q4P4BjjXghQ
• https://www.youtube.com/watch?v=4BfL0UHrzDY
• www.cisco.com
• http://www.b...
VPN Virtual Private Network
VPN Virtual Private Network
VPN Virtual Private Network
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VPN Virtual Private Network

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VPN Virtual Private Network

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VPN Virtual Private Network

  1. 1. Virtual Private Network Rama Krishna N
  2. 2. Contents What is VPN? VPN Components Work Flow VPN Terminology Popular VPNs Pros and Cons ______________________________
  3. 3. • 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 ?______________________________
  4. 4. VPN Components VPN Server VPN Client VPN Software ______________________________
  5. 5. Server Client _______________________________________________ Server Client
  6. 6. Work Flow Authentication Tunneling Ecncryption ______________________________
  7. 7. Server Client Network
  8. 8. 192.168.X.Y172.164.A.B 172.164.A.B 172.164.C.D Before VPN After VPN Server Client
  9. 9. Data TransferServer Client Upload Download ______________________________Speed Matters … Requires high speed internet to establish VPN Connection
  10. 10. Popular VPNs • Microsoft VPN • Pure VPN • Cisco VPN • Secure VPN • Open VPN and many more... VPN Server and Client should be compatible ______________________________
  11. 11. 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 ______________________________
  12. 12. VPN Terminology______________________________
  13. 13. • https://www.youtube.com/watch?v=q4P4BjjXghQ • https://www.youtube.com/watch?v=4BfL0UHrzDY • www.cisco.com • http://www.bestanonymousvpn.com/ References______________________________

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