Virtual Private Network - the Netgroup at Politecnico di Torino
Virtual Private Network - the Netgroup at Politecnico di Torino
Virtual Private Network - the Netgroup at Politecnico di Torino
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Layer 3 and 4 VPNs<br />
• Layer 3<br />
• Forwar<strong>di</strong>ng decisions based on layer 3<br />
addresses<br />
• CEs are ei<strong>the</strong>r routers or hosts<br />
• Layer 4<br />
• VPN built using TCP connections<br />
• Security achieved with SSL or similar<br />
techniques<br />
VPN - 30 © M. Bal<strong>di</strong> & L. Ciminiera: see page 2