상황
An enterprise deploys Software-Defined WAN to connect branch offices to a central data center, leveraging both MPLS and broadband internet for cost-effective, resilient connectivity.
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01
Use dual transport underlay (MPLS + Internet) for reliability
02
Centralized SD-WAN controller for policy and monitoring
03
Hub-and-spoke overlay topology with optional direct branch-to-branch tunnels
When designing or documenting an SD-WAN migration from MPLS-only to hybrid WAN, or showcasing failover paths and centralized management.