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Programmable Flex-E and X-Ethernet Networks for Traffic Isolation in Multi-tenant Environments

Abstract : In this work we investigate the coupling of Flex-E and X-Ethernet technologies as a means to realize interface slicing and fast switching respectively. Flex-E is investigated as a key technology that is able to split a physical interface into isolated sub-channels, decouple MAC rate from PHY rate and achieve hard bandwidth isolation. X-Ethernet technology introduces Ethernet PCS switching, eliminates table lookup and buffer queuing and will be investigated as a fast switching mechanism that is exploiting the PCS layer relay. We present evaluation results from implementation activities that showcase the ability of an integrated Flex-E/X-Ethernet solution to enable network slicing features in transport networks. Furthermore we present a technical approach on the way the control plane of Flex-E/X-Ethernet network can be integrated with an orchestration and management solution.
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https://hal.inria.fr/hal-03200659
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Submitted on : Friday, April 16, 2021 - 5:06:34 PM
Last modification on : Friday, April 16, 2021 - 5:38:33 PM
Long-term archiving on: : Saturday, July 17, 2021 - 7:06:57 PM

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Kostas Katsalis, Rixin Li. Programmable Flex-E and X-Ethernet Networks for Traffic Isolation in Multi-tenant Environments. 23th International IFIP Conference on Optical Network Design and Modeling (ONDM), May 2019, Athens, Greece. pp.610-622, ⟨10.1007/978-3-030-38085-4_52⟩. ⟨hal-03200659⟩

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