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Digital Twin for Networking: A Data-Driven Performance Modeling Perspective
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DOI：10.1109/MNET.119.2200080.png)
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摘要
En 中文
Emerging technologies and applications make the network unprecedentedly complex and heterogeneous, leading the network operations to be costly and risky. The digital twin network (DTN) can ease these burdens by virtually enabling users to understand how performance changes accordingly with modifications. For this What-if performance evaluation, conventional simulation and analytical approaches are inefficient, inaccurate, and inflexible, and we argue that data-driven methods are most promising. In this article, we identify three requirements ( fidelity, efficiency, and flexibility) for performance evaluation. Then we present a comparison of selected data- driven methods and investigate their potential trends in data, models, and applications. We find that performance models have enabled extensive applications, while there are still significant conflicts between models' capacities to handle diversified inputs and limited data collected from the production network. We further illustrate the opportunities for data collection, model construction, and application prospects. This survey aims to provide a reference for performance evaluation while also facilitating future DTN research.
Keyword:
Data models
Performance evaluation
Solid modeling
Topology
Network topology
Optimization
Digital twins
期刊
IF:
6.3
论文数:
2.7K
被引数:
1.1W
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