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Slides11 - WAN VPN Network Design David Tipper Graduate...

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1 WAN WAN - VPN Network Design VPN Network Design David Tipper Graduate Telecommunications and Networking Program U i it f Pitt b h University of Pittsburgh Telcom 2110 Network Design, Slides 11 WAN typically have a mesh or ring design Mesh topologies introduce the problem of routing traffic Many algorithms/optimization formulations/design WAN Network Design Many algorithms/optimization formulations/design tools for WAN packet network design Tend to be imbedded in network topology /data rate layer Different design techniques and metrics at different layers • IP MPLS – VPN design WDM – circuit switched routing and wave length assignment In general techniques are either Graph theory based TELCOM 2110 2 Graph theory based Optimization based • Heuristics Considered Routing heuristics for IP layer design Consider Optimization techniques for VPN design
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