SD-WAN versus MPLS: SMB guidance
Overview
SD-WAN aggregates cheaper internet links with orchestration; MPLS offers predictable QoS at premium cost.
SMB sweet spot
Dual broadband + SD-WAN for retail/branch; MPLS only when carrier SLA legally required.
Pitfalls
Hairpin traffic through DC without sizing; app unaware of asymmetric paths breaking IPsec.
Vendor bake-off criteria
ZTP provisioning, firewall integration, TLS inspection coexistence, MTTR support.
Finance
Show 36-month TCO including licenses vs MPLS contract breakage fees.
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