Traffic Grooming in 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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Using optical wavelength-division multiplexing (WDM), a light path in the network offers a large number of wavelength channels in physical optical fiber links between two nodes [1,2]. Since the bandwidth of a wavelength channel in an optical WDM backbone network is more (10Gbps (OC-192) [3] and grown now to 40 Gbps (OC-768)), a fraction of the customers who need the lower bandwidth of STS-11 (51.84 Mbps), OC-3, and OC-12 have to use a high-bandwidth wavelength channel for backbone applications. Since high-bandwidth wavelength channels are filled up by many low-speed traffic streams, efficiently provisioning customer connection switch such diverse bandwidth needs traffic grooming [4–26].

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