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

Xi Wang; Inwoong Kim; Qiong Zhang; Paparao Palacharla; Motoyoshi Sekiya

doi:10.1364/eceoc.2012.p5.04

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JOURNAL ARTICLE

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

Xi Wang Inwoong Kim Qiong Zhang Paparao Palacharla Motoyoshi Sekiya

Year: 2012 Pages: P5.04-P5.04

DOI: 10.1364/eceoc.2012.p5.04

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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.

Keywords:

Computer science Grid Parallel computing Distributed computing Mathematics

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Advanced Optical Network Technologies

Physical Sciences → Engineering → Electrical and Electronic Engineering

Optical Network Technologies

Physical Sciences → Engineering → Electrical and Electronic Engineering

Advanced Photonic Communication Systems

Physical Sciences → Engineering → Electrical and Electronic Engineering

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

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