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Virtual Private Networks (VPN) - page 4 / 21

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http://sce.uhcl.edu/yang/teaching/.../VPN.ppt

4

Different Types of VPNs

Based on encryption:

Encrypted VPNs

Nonencrypted VPNs

Based on OSI model:

Data link layer VPNs

Network layer VPNs

Application layer VPNs

Based on business functionality:

Intranet VPNs

Extranet VPNs

Question: How do we classify ‘SSL VPNs’ and ‘IPsec VPNs’?

see OpenVPN and SSL VPN Revolution (or local copy)

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