Table of Contents
Virtual Private Networks: Progress and Challenges Panel Session
Panel Objectives
Panel Participants
Virtual Private Networks: Progress and Challenges
What is a VPN?
How Virtual is Virtual?
Focus on “IP VPNs”
Four models of VPNs
Remote User Access
CPE Based VPNs
CPE Based VPNs Tradeoffs
Layer-2 VPNs
Layer-2 VPN Tradeoffs
MPLS-Based Layer-2 VPNs
MPLS-Based Layer-2 VPNs
MPLS-Based Layer-2 VPN Tradeoffs
Provider-Based Layer-3 VPNs
Provider-based Layer-3 VPN tradeoffs
Where Does That Leave Us?
Where Does That Leave Us? (cont.)
Summary
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Author: Gregory G. Ketell
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