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SDN-based RAN Protection Solution for 5G, an Experimental Approach

Minqi Wang 1, 2, 1, 2 Gael Simon 2, 2 Isabel Amigo 1, 3, 1, 3 Luiz Anet Neto 4, 5, 4, 5 Loutfi Nuaymi 6, 7, 6, 7 Philippe Chanclou 2, 2 
3 Lab-STICC_MATHNET - Equipe Math & Net
Lab-STICC - Laboratoire des sciences et techniques de l'information, de la communication et de la connaissance : UMR6285
5 Lab-STICC_ASMP - Equipe Architectures, Microwaves & Photonic Systems
Lab-STICC - Laboratoire des sciences et techniques de l'information, de la communication et de la connaissance : UMR6285
6 ADOPNET - Advanced technologies for operated networks
UR1 - Université de Rennes 1, IMT Atlantique - IMT Atlantique Bretagne-Pays de la Loire, IRISA-D2 - RÉSEAUX, TÉLÉCOMMUNICATION ET SERVICES
Abstract : In this paper, we propose a Software Defined Network-based (SDN) Passive Optical Network (PON) Radio Access Networks (RAN) protection scheme. We experimentally assess the performance by implementing it through a testbed including an SDN controller, Small form-factor pluggable transceiver PON (SFP+/PON), a layer 2 switch, and several SFP+ Point-to-Point (SFP+/PtP) in lieu of a traditional OLT chassis. We compared our proposition with a PtP scheme based on legacy layer 2 redundancy protocol solution with respect to different metrics such as recovery time, latency, power consumption, CAPEX and flexibility/scalability. We show that a trade-off exists among those metrics and that while the SDN-based solution is outperformed by the legacy-based one in terms of recovery time, the proposed solution still provides a remarkable improvement with respect to nowadays practices in protection, while allowing for cost and energy reduction. Such solution scheme can thus be used as a protection scheme for non-time-critical services.
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https://hal-imt-atlantique.archives-ouvertes.fr/hal-03513270
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Submitted on : Wednesday, February 23, 2022 - 9:35:52 AM
Last modification on : Monday, April 4, 2022 - 9:28:32 AM
Long-term archiving on: : Tuesday, May 24, 2022 - 6:16:37 PM

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Minqi Wang, Gael Simon, Isabel Amigo, Luiz Anet Neto, Loutfi Nuaymi, et al.. SDN-based RAN Protection Solution for 5G, an Experimental Approach. ONDM 2021: International Conference on Optical Network Design and Modeling, Jun 2021, Gothenburg, Sweden. pp.1-6, ⟨10.23919/ONDM51796.2021.9492454⟩. ⟨hal-03513270⟩

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