OPSquare: towards petabit/s optical data center networks based on WDM cross-connect switches with flow control

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Scaling the capacity while maintaining low latency and power consumption is a challenge for hierarchical data center networks (DCNs) based on electrical switches. In this work we present a novel optical DCN architecture called OPSquare that potentially addresses the scaling issues by employing parallel intra- and inter-cluster switching networks based on distributed fast WDM optical cross-connect (OXC) switches and a novel top-of-rack (ToR) switch architecture. The WDM OXC switches with nanoseconds reconfiguration time allow flexible switching capability in both wavelength and time domains and statistical multiplexing. Packet loss, latency, throughput, multi-path dynamic switching with flow control operation, and scalability will be discussed and experimentally evaluation by employing a 4×4 OXC prototypes. The potential of switching higher-order modulation and waveband signals further proves the suitability of OPSquare architecture for Petabit/s and low-latency DCN by using optical switches with moderate radix.

Originele taal-2Engels
TitelICTON 2017 - 19th International Conference on Transparent Optical Networks
Plaats van productieBrussels
UitgeverijIEEE Computer Society
Pagina's1-4
ISBN van elektronische versie978-1-5386-0859-3
ISBN van geprinte versie978-1-5386-0860-9
DOI's
StatusGepubliceerd - 1 sep 2017
Evenement19th International Conference on Transparent Optical Networks (ICTON 2017) - Girona Conference Centre, Girona, Catalonia, Spanje
Duur: 2 jul 20176 jul 2017
Congresnummer: 19
https://icton2017.udg.edu/

Congres

Congres19th International Conference on Transparent Optical Networks (ICTON 2017)
Verkorte titelICTON 2017
Land/RegioSpanje
StadGirona, Catalonia
Periode2/07/176/07/17
Internet adres

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