Publication: kaNSaaS: Combining Deep Learning and Optimization for Practical Overbooking of Network Slices
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2023-10-23
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Association For Computing Machinery (Acm)
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Abstract
Cloud-native mobile networks pave the road for Network Slicing as a Service (NSaaS), where slice overbooking is a promising management strategy to maximize the revenues from admitted slices by exploiting the fact they are unlikely to fully utilize their reserved resources concurrently. While seminal works have shown the potential of overbooking for NSaaS in simplistic cases, its realization is challenging in practical scenarios with realistic slice demands, where its actual performance remains to be tested. In this paper, we propose kaNSaaS, a complete solution for NSaaS management with slice overbooking that combines deep learning and classical optimization to jointly solve the key tasks of admission control and resource allocation. Experiments with large-scale measurement data of actual tenant demands show that kaNSaaS increases the network operator profits by 300% with respect to NSaaS management strategies that do not employ overbooking, while outperforming by more than 20% state-of-the-art overbooking-based approaches.
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5g, Forecasting, Optimization, Overbooking, Network slicing
Bibliographic citation
Alcala MarÃn, S., Bazco-Nogueras, A., Banchs Roca, A., Fiore, M. (23-26 October 2023). kaNSaaS: Combining Deep Learning and Optimization for Practical Overbooking of Network Slices [proceedings]. ACM MOBIHOC 2023: the 24th International Symposium on Theory, Algorithmic Foundations, and Protocol Design for Mobile Networks and Mobile Computing. Washington DC, USA.