About This Architecture

Nationwide logistics enterprise WAN topology with three-tier hierarchical design: Core Layer (dual MPLS routers, firewalls, load balancers) at Corporate Headquarters, Distribution Layer connecting six regional offices via MPLS backbone with VPN backup, and Access Layer spanning ten warehouses, six garage facilities, and 600 mobile fleet units via dual-WAN and LTE/5G. Data flows from edge IoT sensors (GPS, barcode, CCTV, fleet diagnostics) through regional L3 switches and firewalls to core App Servers (Logistics + Routing) and DB Servers (Inventory + GPS), with cloud gateway enabling backup to cloud infrastructure and disaster recovery. This architecture demonstrates enterprise-grade redundancy, segmentation, and mobility critical for real-time supply chain visibility and fleet operations across geographically dispersed sites. Fork this diagram on Diagrams.so to customize ISP providers, add SD-WAN overlays, or adjust regional office counts for your own enterprise network. The design balances MPLS performance with VPN resilience while supporting IoT and mobile telemetry at scale.

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How should I design a WAN topology for a nationwide logistics company with multiple warehouses, regional offices, and a large mobile fleet?

This diagram shows a three-tier enterprise WAN: a Core Layer at headquarters with dual MPLS routers and firewalls, a Distribution Layer connecting six regional offices via MPLS backbone with VPN backup, and an Access Layer spanning ten warehouses and six garage facilities with dual-WAN routers, plus 600 fleet trucks on LTE/5G. The architecture ensures redundancy, real-time IoT telemetry, and cloud