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Hybrid and Optical Packet Switching Supporting Different Service Classes in Data Center Network

Abstract : Optical Packet Switching is a prominent technology proposing not only a reduction of the energy consumption by the elimination of numerous optical-electrical-optical conversions in electronic switches, but also a decrease of network latencies due to the cut-through nature of packet transmission. However, it is adversely affected by packet contention, preventing its deployment. Solutions have been proposed to tackle the problem: addition of shared electronic buffers to optical switches (then called hybrid opto-electronic switches), customization of TCP protocols, and use of different service classes of packets with distinct switching criteria.In the context of data center networks we investigate a combination of said solutions and show that the hybrid switch, compared to the optical switch, boosts the performance of the data center network. Furthermore, we show that introducing a “Reliable” service class improves performance for this class not only in the case of the hybrid switch, but also brings the optical switch to performance levels comparable to that of the hybrid switch, all the while keeping other classes’ performance on the same level.
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https://hal.inria.fr/hal-03200694
Contributor : Hal Ifip <>
Submitted on : Friday, April 16, 2021 - 5:08:39 PM
Last modification on : Sunday, April 18, 2021 - 3:07:42 AM

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Distributed under a Creative Commons Attribution 4.0 International License

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Artur Minakhmetov, Cédric Ware, Luigi Iannone. Hybrid and Optical Packet Switching Supporting Different Service Classes in Data Center Network. 23th International IFIP Conference on Optical Network Design and Modeling (ONDM), May 2019, Athens, Greece. pp.516-527, ⟨10.1007/978-3-030-38085-4_44⟩. ⟨hal-03200694⟩

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