Design, deploy, and operate SD-WAN—overlay WAN (hub-spoke, mesh, regional hubs), underlay overlay (MPLS, broadband, LTE/5G), path selection, application-aware routing, SASE, zero trust WAN, branch connectivity, orchestration templates, NGFW/SWG/ZTNA insertion, HA, and brownfield SD-WAN migration; vendor-agnostic (Viptela, VeloCloud, Prisma SD-WAN). This skill should be used when the user asks about SD-WAN, software-defined WAN, SDWAN engineer, overlay WAN, path selection, application-aware routing, hub-spoke SD-WAN, SASE, zero trust WAN, branch connectivity, underlay overlay, VeloCloud, Viptela, Prisma SD-WAN, WAN optimization, or brownfield SD-WAN migration—not carrier B…
