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A demonstration of ultra-low-latency data center optical circuit switching

Nathan Farrington, George Porter, Pang-Chen Sun, Alex Forencich, Joseph Ford, Yeshaiahu Fainman, George Papen, Amin Vahdat
2012 Proceedings of the ACM SIGCOMM 2012 conference on Applications, technologies, architectures, and protocols for computer communication - SIGCOMM '12  
We demonstrate the operation of this prototype switch in a data center testbed under various workloads.  ...  We designed and constructed a 24×24-port optical circuit switch (OCS) prototype with a programming time of 68.5 µs, a switching time of 2.8 µs, and a receiver electronics initialization time of 8.7 µs  ...  ACKNOWLEDGMENTS We would like to thank the NSF Center for Integrated Access Networks (#0812072) and gifts from Cisco Systems and Google, Inc.  ... 
doi:10.1145/2342356.2342377 dblp:conf/sigcomm/FarringtonPSFFFPV12 fatcat:rvvjk4l5urg6xo44lgxoqza7bm

A demonstration of ultra-low-latency data center optical circuit switching

Nathan Farrington, George Porter, Pang-Chen Sun, Alex Forencich, Joseph Ford, Yeshaiahu Fainman, George Papen, Amin Vahdat
2012 Computer communication review  
We demonstrate the operation of this prototype switch in a data center testbed under various workloads.  ...  We designed and constructed a 24×24-port optical circuit switch (OCS) prototype with a programming time of 68.5 µs, a switching time of 2.8 µs, and a receiver electronics initialization time of 8.7 µs  ...  ACKNOWLEDGMENTS We would like to thank the NSF Center for Integrated Access Networks (#0812072) and gifts from Cisco Systems and Google, Inc.  ... 
doi:10.1145/2377677.2377698 fatcat:yypkdh25unbtphdjdcb244wqai

Experimental demonstration of an ultra-low latency control plane for optical packet switching in data center networks

Paris Andreades, Kari Clark, Philip M. Watts, Georgios Zervas
2019 Optical Switching and Networkning Journal  
A B S T R A C T Optical interconnection networks have the potential to reduce latency and power consumption while increasing the bisection bandwidth of data center networks compared to electrical network  ...  Optical circuit switching has been proposed to increase the bisection bandwidth of the data center network and reduce its cost and complexity through prototypes such as c-Through [7], Helios [8], Mordia  ...  The FPGA evaluation boards used in our experimental demonstration were provided by Xilinx.  ... 
doi:10.1016/j.osn.2018.11.005 fatcat:mnq4sidrrjfazfa6mdyplr5pta

Next-Generation Optically-Interconnected High-Performance Data Centers

Wenjia Zhang, Howard Wang, Keren Bergman
2012 Journal of Lightwave Technology  
In this paper, we propose an end-to-end photonic networking platform for future optically-interconnected data center networks.  ...  Optical interconnects represent a potentially disruptive technology that can simultaneously satisfy the throughput, latency, and energy demands of these next-generation systems.  ...  His research interests include optical burst switching networks, cross-layer optimization in optical networking and optically interconnected data centers.  ... 
doi:10.1109/jlt.2012.2212696 fatcat:5regf6kzobgfroatsm25twcxei

All-optical packet/circuit switching-based data center network for enhanced scalability, latency, and throughput

Jordi Perello, Salvatore Spadaro, Sergio Ricciardi, Davide Careglio, Shuping Peng, Reza Nejabati, George Zervas, Dimitra Simeonidou, Alessandro Predieri, Matteo Biancani, Harm S. Dorren, Stefano Lucente (+13 others)
2013 IEEE Network  
The FP7 European Project LIGHTNESS foresees extending the capabilities of today's electrical DCNs through the introduction of optical packet switching and optical circuit switching paradigms, realizing  ...  together an advanced and highly scalable DCN architecture for ultra-high-bandwidth and low-latency server-to-server interconnection.  ...  Ben Yoo from the University of California Davis for his valuable comments on the article. This work has been supported by the FP7 European Project LIGHTNESS (FP7-318606).  ... 
doi:10.1109/mnet.2013.6678922 fatcat:rx7yhdg3lndd5mppg6cloo7cmi

The role of integrated photonics in datacenter networks

Madeleine Glick, Atul K. Srivastava
2017 Next-Generation Optical Networks for Data Centers and Short-Reach Links IV  
Although the transparent optical switch fabric itself has a minimal additional latency, we must also take account of any additional latency of the optically switched architecture.  ...  We will review the state of the art and then focus on advances in optical switch fabrics and systems. The optical switch is of particular interest from the integration point of view.  ...  A high radix, low power optical switch would be a significant enabler in the development of optically switched networks for the data center.  ... 
doi:10.1117/12.2255794 fatcat:e35sig44djfolbo3vhhmc2myby

Optical Systems for Ultra-High-Speed TDM Networking

Michael Galili, Hao Hu, Hans Mulvad, Ashenafi Medhin, Anders Clausen, Leif Oxenløwe
2014 Photonics  
Schemes for optical packet labeling, packet switching and packet synchronization will be discussed, along with schemes for optical clock recovery, channel identification and detection of ultra-high-speed  ...  This paper discusses key results in the field of high speed optical networking with particular focus on packet-based systems.  ...  Acknowledgments OFS Denmark is acknowledged for providing the optical fiber used in the demonstrations discussed in this paper.  ... 
doi:10.3390/photonics1020083 fatcat:633in53cmzgdzjd3eo5udf3btq

The Role of Photonics in Future Computing and Data Centers

S. J. Ben YOO
2014 IEICE transactions on communications  
Optics provide ultrahigh throughput, massive parallelism, minimal access latencies, and low power dissipation that remains independent of capacity and distance.  ...  The exponential and sustained increases in computing and data center needs are driving the demands for exascale computing in the future.  ...  Optics provide ultra-high throughput, massive parallelism, minimal access latencies, and low power dissipation that remains independent of capacity and distance.  ... 
doi:10.1587/transcom.e97.b.1272 fatcat:kscihjcko5awrjviy4jabi7zra

PULSE: Optical circuit switched Data Center architecture operating at nanosecond timescales [article]

Joshua L. Benjamin, Thomas Gerard, Domaniç Lavery, Polina Bayvel, Georgios Zervas
2020 arXiv   pre-print
We introduce PULSE, a sub-microsecond optical circuit-switched data centre network architecture controlled by distributed hardware schedulers.  ...  We show how the 4096-node PULSE architecture allows up to 260k optical channels to be re-used across sub-networks achieving a capacity of 25.6 Pbps with an energy consumption of 85 pJ/bit.  ...  As mentioned in section I, scalable optically switched networks with low deterministic median and tail latencies can be a relative game-changer for data centers in terms of power, cost and latency.  ... 
arXiv:2002.04077v2 fatcat:c7tmlesdzna3dd6uhu2nnkdfda

Recent advancements towards green optical networks

Alan Davidson, Ivan Glesk, Adrianus Buis, Junjia Wang, Lawrence Chen, Agnieszka Popiolek-Masajada, Waclaw Urbanczyk
2014 19th Polish-Slovak-Czech Optical Conference on Wave and Quantum Aspects of Contemporary Optics  
ABSTRACT Recent years have seen a rapid growth in demand for ultra high speed data transmission with end users expecting fast, high bandwidth network access.  ...  Some applications of photonics to help alleviate the speed and latency in data networks will be discussed.  ...  Intra data center schemes With intra data center traffic accounting for 76% of total data network traffic, the use of low power high bandwidth optical switching and routing systems within the data center  ... 
doi:10.1117/12.2084956 fatcat:opcbzohylbgcpnuonvrqhu3nem

Fully tunable and switchable coupler for photonic routing in quantum detection and modulation

Vojtěch Švarc, Martina Nováková, Glib Mazin, Miroslav Ježek
2019 Optics Letters  
We report a 2×2 photonic coupler with splitting ratio switchable by a low-voltage electronic signal with 10 GHz bandwidth and tens of nanoseconds latency.  ...  Photonic routing is a key building block of many optical applications challenging its development.  ...  A basic routing device switches the input signal between two or more output ports. Such on-off switches find their application in optical networks and data centers.  ... 
doi:10.1364/ol.44.005844 fatcat:ivucmtb6qzhlzhkyj7sonwsjgy

Programmable OPS/OCS hybrid data centre network

Yi Shu, Shuangyi Yan, Chris Jackson, Koteswararao Kondepu, Emilio H. Salas, Yan Yan, Reza Nejabati, Dimitra Simeonidou
2018 Optical fiber technology (Print)  
An experimental demonstration shows a complete implementation of data center virtualization in the proposed hybrid data center network.  ...  Full terms of use are available: 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  ...  By combing with a flat DCN architecture, ultra-low latency communications could be offered for chip-level access in a disaggregated data center [43] .  ... 
doi:10.1016/j.yofte.2018.01.017 fatcat:vkaejkykbnh5ve4g7dfwbgho2e

Cascaded active silicon microresonator array cross-connect circuits for WDM networks-on-chip

Andrew W. Poon, Fang Xu, Xianshu Luo, Joel A. Kubby, Graham T. Reed
2008 Silicon Photonics III  
We propose a design of an optical switch on a silicon chip comprising a 5 × 5 array of cascaded waveguide-crossing-coupled microring resonator-based switches for photonic networks-on-chip applications.  ...  The optical circuit switch can employ a single wavelength channel or multiple wavelength channels that are spaced by the microring resonator free spectral range.  ...  Jiang Xu of HKUST. This study was substantially supported by grants from the Research Grants Council of the Hong Kong Special Administrative Region, China, under project no.  ... 
doi:10.1117/12.765090 fatcat:ce7gchri7fho7eeuuq5uuthmkm

Electronic and photonic integrated circuits for fast data center optical circuit switches

Luis Chen, Avantika Sohdi, John E. Bowers, Luke Theogarajan, Jon Roth, Greg Fish
2013 IEEE Communications Magazine  
This article surveys recent work in optical switching technologies and presents a fast optical circuit switch that intimately integrates the control electrics at the chip level using a novel wafer-scale  ...  Within the data center, packet switching is commonly used to connect compute servers because of low latency and high network utilization.  ...  Helios [6] is another work that studies the applicability of optical circuit switches in data centers.  ... 
doi:10.1109/mcom.2013.6588650 fatcat:vww7qm3pyjfafed3nbrfek33zu

WiCOD: Wireless control plane serving an all-optical data center

Tugcan Aktas, Chang-Heng Wang, Tara Javidi
2015 2015 13th International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks (WiOpt)  
The reduced monitoring delays, offered by this low-latency radio access technology, makes the fine-grained and adaptive circuit switching feasible and, in turn, enables a high utilization of optical switches  ...  A novel architecture for the future data center networks with possibly up to a thousand of Top of the Rack (ToR) switches is proposed.  ...  ACKNOWLEDGMENT This work has been partially supported by L-3 Communications and NSF Center for Integrated Access Networks (Grant EEC-0812072).  ... 
doi:10.1109/wiopt.2015.7151086 dblp:conf/wiopt/AktasWJ15 fatcat:ufukcj5jdvaknkqqrsaevp6t2u
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