The Software Defined Networks implementation for the KM3NeT networking infrastructure
T. Chiarusi*, L. Chiarelli, E. Giorgio, S. Zani, S. Celli on behalf of the KM3NeT Collaboration
August 16, 2017
August 03, 2018
The Software Defined Networks technology is used to configure and operate the core of the switch fabric of the networking system of the KM3NeT shore infrastructures. It is organised according to a star-center layout, interconnecting all the on-shore resources. The used switches are DELL Series S devices, compatible with the OpenFlow 1.3 protocol and managed by dedicated Open- Daylight 4.2 (Beryllium) controller servers. With a limited number of Layer 2 forwarding rules, expressly developed for the KM3NeT use-case, which keeps independent from any scaling of the off-shore detector, the SDN technology allows the best handling of the KM3NeT asymmetric network topology, optimising the layout of connections on shore, preventing loops and enhancing the data taking stability.
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