VPN
: virtual private network : The logical connectivity between two same or
different private networks from remote place
Classification:
1.Server
to Client tunnel
2.Server to Server tunnel
1. Server to Client tunnel:
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2. Server to Server tunnel
2.1 Layer 2 tunnel (Same local network)
2.2 Layer 3 tunnel (Different networks)
2.1 Layer 2 tunnel (Same local network)
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2.2 Layer 3
tunnel (Different networks)
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