Archon: a function programmable optical interconnect architecture for transparent intra and inter data center SDM/TDM/WDM networking

Yan, Shuangyi, Hugues-Salas, Emilio, Rancaño, Victor, Shu, Yi, Saridis, George M., Rahimzadeh Rofoee, Bijan, Yan, Yan, Peters, Adaranijo, Jain, Saurabh, May-Smith, Timothy, Petropoulos, Periklis, Richardson, David J., Zervas, Georgios and Simeonidou, Dimitra (2015) Archon: a function programmable optical interconnect architecture for transparent intra and inter data center SDM/TDM/WDM networking. Journal of Lightwave Technology, 33 (8), 1586-1595, [7017479]. (doi:10.1109/JLT.2015.2392554).

Abstract

This paper reports all-optical, function programmable, transparent, intra-inter data center networking (DCN) using space and time division multiplexing (SDM/TDM) within data centers and wavelength division multiplexing (WDM) between data centers. A multi-element fiber (MEF) is used for SDM transmission to provide a large quantity of optical links between the top-of-racks (ToRs) and the function programmable cluster switch. Beam-steering large-port-count fiber switches (LPFS), used as central cluster switches and inter-cluster switch, provide a single hop optical circuit switching (OCS) solution, and also enable network function programmability for DCN to support variable traffic patterns and different network functions. A TDM switch as a plug-in function provides intra-cluster communication with variable capacity and low latency. The flat-structured intra data center architecture, with a circuit-switched SDM and TDM hybrid network enables scalable, large-capacity and low-latency DCN communication. In addition, all-optical ToR-to-ToR inter-DCN is realized through metro/core networks. A highly-nonlinear fiber (HNLF) based all-optical SDM-to-WDM converter transfers three SDM signals to 3-carrier spectral superchannel signals, which are transmitted to the destination DCN, through the metro/core networks. The all-optical ToR-ToR cross-DCN connections enable the geographically distributed DCNs to appear as one big data center.

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Contributors

Author: Periklis Petropoulos

Author: David J. Richardson

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