About This Architecture

Dual-carrier dual-POP private line architecture connects Customer Campus A to Volcano Cloud VPC across Shanghai via redundant China Telecom and China Unicom carriers. Traffic from Campus A Router splits across two carriers, converges at Syscloud POPs (A and B), traverses the FusionWAN backbone through core routers, and terminates at Shanghai POPs (C and D) with last-mile fiber patches to shared ports. Each shared port connects to a VPC Gateway serving ECS, RDS, and OSS resources in separate availability zones (Pudong-A and Baoshan-A), delivering 99.99% SLA end-to-end. This architecture eliminates single points of failure at the carrier, backbone, and last-mile layers. Fork and customize this diagram on Diagrams.so to model your own multi-region private line topology or adjust carrier and POP locations.

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How do you design a highly available private line from on-premises to AWS Volcano Cloud using multiple carriers and POPs?

This diagram shows a dual-carrier dual-POP architecture where Campus A Router connects via China Telecom and China Unicom carriers to separate Syscloud POPs, which converge through FusionWAN core routers and terminate at Shanghai POPs with last-mile fiber to Volcano VPC gateways across Pudong and Baoshan AZs. Redundancy at every layer—carrier, backbone, and last-mile—ensures 99.99% SLA.