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Resilient optical broadcast-and-select network using centralized multi-carrier light source

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5 Author(s)
Yueping Cai ; Dept. of Inf. & Commun. Eng., Univ. of Electro-Commun., Chofu, Japan ; Matsuura, M. ; Oki, E. ; Kishi, N.
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This paper presents a resilient star-ring optical broadcast-and-select network with a centralized multi-carrier light source (C-MCLS). It consists of a star part network and a ring part network. Optical carriers generated by the C-MCLS are broadcast to all network nodes, which select and utilize them for data transmission. Optical carrier distribution and data transmission are performed in the star part network. The ring part network is for fiber failure recovery. The network resilience property enables the design of a fast distributed failure recovery scheme to deal with single and multiple fiber failures. We introduce a fiber connection automatic protection switching (FC-APS) architecture that only consists of optical couplers and switches for each network node. We design a distributed failure recovery scheme based on it. The fiber failure detection and failure recovery operations are performed by each network node independently only using its local information. We evaluate the recovery time of the distributed scheme compared with that of the centralized one. Numerical results show that it greatly reduces the recovery time than the centralized one.

Published in:

Optical Network Design and Modeling (ONDM), 2010 14th Conference on

Date of Conference:

1-3 Feb. 2010