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Reconfigurable optical star network architecture for multicast media production data centres

Funnell, AC; Butler, D; Zervas, G; (2020) Reconfigurable optical star network architecture for multicast media production data centres. Optical Switching and Networking , 36 , Article 100556. 10.1016/j.osn.2020.100556. Green open access

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Abstract

Passive optical star networks have attractive properties for multicast traffic in data centres, but are limited in transmission bandwidth per node due to sharing a finite total throughput capacity. By adding reconfigurable switching elements to the core of an optical star topology, simulations show that the expected transmission rate per node can be increased by 26–40% (at 90% and 70% network load respectively). The proposed architecture shows no loss of multicast functionality compared to a single passive optical star, and only 7.1% increase in power consumption. Network throughput is shown to be highly dependent on the network traffic pattern, with simulations of multicast zonal media production traffic showing 6 times greater throughput than random or hotspot traffic models.

Type: Article
Title: Reconfigurable optical star network architecture for multicast media production data centres
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.osn.2020.100556
Publisher version: https://doi.org/10.1016/j.osn.2020.100556
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Chemical Engineering
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: https://discovery.ucl.ac.uk/id/eprint/10091879
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