CCTV
Tokyo Metro CCTV — Redundant Ring Topology
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CASE ANALYSIS
Scenario
Tokyo Metro operates many IP cameras across stations and requires uninterrupted video recording and monitoring. The design connects station PoE switches to a redundant 10G core ring for failover and centralized video management.
Key decisions
- Use a three-node 10G fiber ring between core L3 switches for path redundancy
- Attach station PoE switches to separate core nodes for access diversity
- Centralize VMS and storage at core while keeping NVR and monitoring workstation in the control room
When to reuse this
Large-scale IP CCTV deployments needing high availability, distributed camera aggregation, and centralized management across multiple sites.
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network-tokyo-metro-cctv-redundant-ring-topology