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A design method of high-availability and low-optical-loss optical aggregation network architecture

A design method of high-availability and low-optical-loss optical aggregation network architecture,10.1109/ISAS.2011.5960911,Takehiro Sato,Kunitaka As

A design method of high-availability and low-optical-loss optical aggregation network architecture  
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A highly-energy-efficient network using an optical aggregation network and a service cloud has been proposed to reduce the power consumption of today's Internet greatly. The optical aggregation network connects a solitary giant router to users by logical tree topology. This paper proposes a novel optical aggregation network architecture. The proposed architecture uses 2x2 optical switches and combines the features of a tree topology and a ring topology. The paper also introduces a design method of the proposed network architecture. It is shown that the method can design high-availability and low-optical-loss network with fewer optical switches compared to a duplex tree topology.
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