On Transferring, Merging, and Splitting Task-Oriented Network Digital Twins

• URL: http://arxiv.org/abs/2509.02551v1
• Date: Tue, 02 Sep 2025 17:48:52 GMT
• Title: On Transferring, Merging, and Splitting Task-Oriented Network Digital Twins
• Authors: Zifan Zhang, Minghong Fang, Mingzhe Chen, Yuchen Liu,
• Abstract summary: Network digital twins (NDTs) accurately depict the operational processes and attributes of network infrastructures.<n>We explore intra- and inter-operations among NDTs within a Unified Twin Transformation framework.<n>This framework uncovers a new computing paradigm for efficient transfer, merging, and splitting of NDTs to create task-oriented twins.
• Score: 30.093419399398595
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: The integration of digital twinning technologies is driving next-generation networks toward new capabilities, allowing operators to thoroughly understand network conditions, efficiently analyze valuable radio data, and innovate applications through user-friendly, immersive interfaces. Building on this foundation, network digital twins (NDTs) accurately depict the operational processes and attributes of network infrastructures, facilitating predictive management through real-time analysis and measurement. However, constructing precise NDTs poses challenges, such as integrating diverse data sources, mapping necessary attributes from physical networks, and maintaining scalability for various downstream tasks. Unlike previous works that focused on the creation and mapping of NDTs from scratch, we explore intra- and inter-operations among NDTs within a Unified Twin Transformation (UTT) framework, which uncovers a new computing paradigm for efficient transfer, merging, and splitting of NDTs to create task-oriented twins. By leveraging joint multi-modal and distributed mapping mechanisms, UTT optimizes resource utilization and reduces the cost of creating NDTs, while ensuring twin model consistency. A theoretical analysis of the distributed mapping problem is conducted to establish convergence bounds for this multi-modal gated aggregation process. Evaluations on real-world twin-assisted applications, such as trajectory reconstruction, human localization, and sensory data generation, demonstrate the feasibility and effectiveness of interoperability among NDTs for corresponding task development.

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