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Conferences > ECEOC > 2012 > P5 > P5.04

A Hitless Defragmentation Method for Self-optimizing Flexible Grid Optical Networks

Xi Wang, Inwoong Kim, Qiong Zhang, Paparao Palacharla, and Motoyoshi Sekiya

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Abstract

We present an auto-defragmentation method to continuously ‘defrag’ flexible grid optical networks without service disruption. Signal dependency map is introduced to identify candidate signals to be retuned and their retune sequence. Simulation results show up to 76% reduction in request blocking and 38% reduction in the number of stranded slots.

© 2012 Optical Society of America

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