Routing in Scalable Delay-Tolerant Space Networks with Graph Neural Networks - Archive ouverte HAL
Communication Dans Un Congrès Année : 2023

Routing in Scalable Delay-Tolerant Space Networks with Graph Neural Networks

Résumé

Space networks are challenged by long propagation delays and prolonged link disruptions, which require Delay-Tolerant Networking (DTN) mechanisms. Contact Graph Routing (CGR) exploits the a priori available topology knowledge derived from the predictable trajectories to compute optimal end-to-end routes. However, state-of-the-art CGR is limited in the scalability and stability of the computation effort, which is critical in resource-constrained spacecraft. To overcome this issue, this paper presents GAUSS: a graph neural network-based routing for scalable delaytolerant space networks. By harvesting recent advances in Graph Neural Networks (GNNs), we can improve the scalability of CGR by a factor of two while narrowing the variability down to one-third in realistic cislunar and near-Earth systems.

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Dates et versions

hal-04711328 , version 1 (26-09-2024)

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  • HAL Id : hal-04711328 , version 1

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Matías Olmedo, Juan A Fraire, Renato Cherini, Fabio Patrone, Mario Marchese. Routing in Scalable Delay-Tolerant Space Networks with Graph Neural Networks. EWSN '23: Proceedings of the 2023 INTERNATIONAL CONFERENCE ON EMBEDDED WIRELESS SYSTEMS AND NETWORKS, Dec 2023, Rende, France. ⟨hal-04711328⟩
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