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

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7 Author(s)
Takehiro Sato ; Dept. of Information and Computer Science, Keio University, 3-14-1 Hiyoshi, Kohoku, Yokohama, Kanagawa, Japan 223-8522 ; Kunitaka Ashizawa ; Kazumasa Tokuhashi ; Daisuke Ishii
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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 2×2 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.

Published in:

Access Spaces (ISAS), 2011 1st International Symposium on

Date of Conference:

17-19 June 2011