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Multi-Layer Hypercube Photonic Network Architecture for Intra-Datacenter Network
Toshikazu SAKANO Akihiro KADOHATA Yoshiaki SONE Atsushi WATANABE Masahiko JINNO
IEICE TRANSACTIONS on Communications
Publication Date: 2011/04/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Section on Photonic Network Technologies in Terabit Network Era)
hypercube, photonic network, cyclic-frequency AWG, wave-band, WDM, SDM,
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The popularity of cloud computing services is driving the boom in building mega-datacenters. This trend is forcing significant increases in the required scale of the intra-datacenter network. To meet this requirement, this paper proposes a photonic network architecture based on a multi-layer hypercube topology. The proposed architecture uses the Cyclic-Frequency Arrayed Waveguide Grating (CF-AWG) device to realize a multi-layer hypercube and properly combines several multiplexing systems that include Time Division Multiplexing (TDM), Wavelength Division Multiplexing (WDM), Wave-Band Division Multiplexing (WBDM) and Space Division Multiplexing (SDM). An estimation of the achievable network scale reveals that the proposed architecture can achieve a Peta-bit to Exa-bit class, large scale hypercube network with existing technologies.