Programmable OPS/OCS hybrid data centre network

Yi Shu, Shuangyi Yan*, Chris Jackson, Koteswararao Kondepu, Emilio Hugues-Salas, Reza Nejabati, Dimitra Simeonidou, Yan Yan

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)peer-review

7 Citations (Scopus)
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On the basis of profound understanding of data center (DC) traffic demands and optical switching technologies, we present a hybrid optical network design for future data center network (DCN). Such design integrates optical circuit switching (OCS) and optical packet switching (OPS) schemes via hybrid Top-of-the-Rack (ToR) switches which provide flexible function-switchover between different traffic patterns in the DCN. Simulations of network behaviors under such DC traffic loads indicate that the proposed OPS/OCS DCN can effectively improve the network performance. Moreover, via a preliminary analysis of OCS and OPS network configurations, the construction of hybrid DCN is also proved as the most cost- and energy-efficient way for DCN upgrading while offering a promised quality of service. An experimental demonstration shows a complete implementation of data center virtualization in the proposed hybrid data center network.

Original languageEnglish
Number of pages13
JournalOptical Fiber Technology
Early online date1 Feb 2018
Publication statusE-pub ahead of print - 1 Feb 2018


  • Data center networks
  • Data center traffic modelling
  • Hybrid OPS/OCS network architect


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  • Optical layer abstraction

    Simeonidou, D.


    Project: Research

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