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Survivability of Optical Networks

Authored by: Partha Pratim Sahu

Advances in Optical Networks and Components

Print publication date:  July  2020
Online publication date:  July  2020

Print ISBN: 9780367265656
eBook ISBN: 9780429293962
Adobe ISBN:


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Due to failures that occurred in a network, the traffic transportations are disrupted [1,2]. Different types of failures that occurred in an optical wavelength division multiplexing (WDM) network [2–4] are shown in Figure 7.1. In the network, “duct” is a bidirectional physical cylindrical enclosure between two nodes in which fibers are kept aligned into bundles under the ground [2]. A fiber cut is usually found due to a duct cut during construction or destructive natural calamities, such as earthquakes and flood.

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