Network Digital Twins: Simulating 10,000-Node Constellation Meshes in ns-3 and Mininet

Evaluating packet loss, congestion collapse, and route oscillation under rapid orbital node movement.

技术基础与系统约束

Deploying network digital twins in space in non-terrestrial environments requires solving fundamental physics constraints: path loss over 1000km distances, rapid carrier frequency shifts due to Doppler effects, and power-thermal limits of spaceborne hardware. The architecture provides deterministic mitigation strategies.

实施架构与协议工作流

The protocol workflow for network digital twins in space coordinates physical layer signal acquisition with higher-layer transport resilience. By leveraging open-loop ephemeris calculations and adaptive retransmission timers, communication links maintain uninterrupted throughput across satellite handoffs.

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