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Novel virtual OCS in OPS data center networks

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Abstract

This paper considers a novel virtual optical circuit switching (VOCS) scheme for data center networks where short flows are transmitted via optical packet switching (OPS), while long flows with reliability requirement are transmitted via VOCS. VOCS preserves the advantage of optical circuit switching (OCS) for reliable communication, while it overcomes the disadvantage of OCS in terms of low link utilization. In the VOCS/OPS scheme, idle periods of the virtual circuits can be used by OPS, which thus enhances the overall performance. Simulations on a six-dimensional torus topology data center network with 4096 (=4\(^6\)) nodes are conducted for the performance evaluation. We have observed that, compared to OCS, VOCS has much less adverse impact on the performance of OPS. Furthermore, quite a large number (i.e., 2048) of virtual circuits can be set up with little affect on the OPS performance.

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Acknowledgments

This work has been funded by the National Institute of Information and Communications Technology (NICT) R&D program, Basic Technologies for High-Performance Optoelectronic Hybrid Packet Router (2011–2016).

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Authors and Affiliations

  1. Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka, 565-0871, Japan

    Yue-Cai Huang, Yuki Yoshida & Ken-ichi Kitayama

  2. NTT Device Technology Labs, NTT Corporation, Atsugi, Kanagawa, 243-0198, Japan

    Salah Ibrahim & Ryo Takahashi

  3. Advanced Products Business Headquarters, NTT Advanced Technology Corp., Kawasaki, Kanagawa, 212-0014, Japan

    Atsushi Hiramatsu

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  1. Yue-Cai Huang
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  2. Yuki Yoshida
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  3. Salah Ibrahim
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  4. Ryo Takahashi
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  5. Atsushi Hiramatsu
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  6. Ken-ichi Kitayama
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Correspondence to Yue-Cai Huang.

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Huang, YC., Yoshida, Y., Ibrahim, S. et al. Novel virtual OCS in OPS data center networks. Photon Netw Commun 31, 448–456 (2016). https://doi.org/10.1007/s11107-015-0582-3

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  • DOI: https://doi.org/10.1007/s11107-015-0582-3

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