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Energy-Efficient Service Function Chain Provisioning

Nicolas Huin 1 Andrea Tomassilli 1 Frédéric Giroire 1 Brigitte Jaumard 2
1 COATI - Combinatorics, Optimization and Algorithms for Telecommunications
Laboratoire I3S - COMRED - COMmunications, Réseaux, systèmes Embarqués et Distribués, CRISAM - Inria Sophia Antipolis - Méditerranée
Abstract : Network Function Virtualization (NFV) is a promising network architecture concept to reduce operational costs. In legacy networks, network functions, such as firewall or TCP optimization, are performed by specific hardware. In networks enabling NFV coupled with the Software Defined Network (SDN) paradigm, network functions can be implemented dynamically on generic hardware. This is of primary interest to implement energy efficient solutions, which imply to adapt dynamically the resource usage to the demands. In this paper, we study how to use NFV coupled with SDN to improve the energy efficiency of networks. We consider a setting in which a flow has to go through a Service Function Chain, that is several network functions in a specific order. We propose a decomposition model that relies on lightpath configuration to solve the problem. We show that virtualization allows to obtain between 30% to 55 % of energy savings for networks of different sizes.
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https://hal.inria.fr/hal-01403967
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Submitted on : Wednesday, December 14, 2016 - 10:19:59 AM
Last modification on : Wednesday, October 14, 2020 - 4:22:21 AM
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  • HAL Id : hal-01403967, version 2

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Nicolas Huin, Andrea Tomassilli, Frédéric Giroire, Brigitte Jaumard. Energy-Efficient Service Function Chain Provisioning. [Research Report] RR-8980, Inria Sophia Antipolis; Université Côte d'Azur; Cnrs; Concordia University. 2016, pp.15. ⟨hal-01403967v2⟩

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