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A passive optical pod interconnect for high performance data centers

Abstract : We propose an original approach for realizing an all-optical data center interconnect. This consists in interconnecting racks of servers by WDM channels via an optical coupler and applying an EPON-like dynamic bandwidth allocation (DBA) algorithm. We apply this approach to design a switch-free, pod-sized data center interconnect that we call POPI for Passive Optical Pod Interconnect. Bandwidth sharing is realized by a central controller that implements an original MAC protocol and DBA algorithm. We evaluate latency and throughput performance, accounting for the dynamic, stochastic nature of data center traffic.
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https://hal.inria.fr/hal-01221587
Contributor : Philippe Robert <>
Submitted on : Wednesday, October 28, 2015 - 11:45:53 AM
Last modification on : Friday, May 25, 2018 - 12:02:03 PM

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  • HAL Id : hal-01221587, version 1

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Indre Raluca-Maria, Jelena Pesic, James Roberts. A passive optical pod interconnect for high performance data centers. ONDM 2014 - International Conference on Optical Network Design and Modeling, May 2014, Stockholm, Sweden. pp.84 - 89. ⟨hal-01221587⟩

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