Plotinus: A Satellite Internet Digital Twin System
Journal of Communications and Information Networks(2024)
摘要
The development of integrated space-air-ground network (SAGIN) requires
sophisticated satellite Internet emulation tools that can handle complex,
dynamic topologies and offer in-depth analysis. Existing emulation platforms
struggle with challenges like the need for detailed implementation across all
network layers, real-time response times, and the ability to scale. Plotinus, a
new digital twin system based on microservices for satellite Internet
emulation, aims to solve these problems. It features a modular design, allowing
for easy replacement of the physical layer to emulate different aerial vehicles
and analyze channel interference. It also enables the replacement of path
computation methods to simplify testing and deploying algorithms. In
particular, Plotinus allows for real-time emulation with live network traffic,
enhancing the realism of network models. Evaluation result shows that
Plotinus's effective emulation of dynamic satellite networks with real-world
devices. Its adaptability for various communication models and algorithm
testing highlights Plotinus's role as a vital tool for developing and analyzing
SAGIN systems, offering a scalable, real-time response, and flexible digital
twin system.
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关键词
network emulation framework,dynamic topology adjustment,microservice architecture
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