Abstract
Inter connection network in a data center is the need of the hour as the communication backbone which caters the demands to accommodate a large number of servers with minimum possible end-to-end delay. The traditional Fat tree based topologies play a pivotal role for data center network (DCN) albeit in a low scale, on the other hand the upcoming electrical-cum-optical hybrid architecture demands huge power consumption and exhibit significant end-to-end delay. The present work depicts a proposal of highly scalable novel hybrid architecture employing optically switched WDM LANs (based on ShuffleNet topology) over electrical Fat trees with the use of substantial number of optical devices, the proposed DCN architecture is shown to offer reasonable reduction of end-to-end delay to 12.29 µs for mouse traffic and 10.01 ms for elephant traffic as compared to Optical Switching Architecture (OSA), which has significant 23 ms of delay for any traffic condition.
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Sahoo, T., Mohanty, B.P. A novel hybrid data center architecture employing optically-switched WDM LANs over electrical fat trees. Opt Quant Electron 53, 251 (2021). https://doi.org/10.1007/s11082-021-02921-z
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DOI: https://doi.org/10.1007/s11082-021-02921-z