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Conference Papers Year : 2021

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


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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Dates and versions

hal-03513270 , version 1 (23-02-2022)



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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