Efficient routing to reduce the cost of add-drop multiplexers in WDM optical ring networks

Guangzhi Li; Rahul Simha

doi:10.1117/12.360404

25 August 1999 Efficient routing to reduce the cost of add-drop multiplexers in WDM optical ring networks

Guangzhi Li, Rahul Simha

Proceedings Volume 3843, All-Optical Networking 1999: Architecture, Control, and Management Issues; (1999) https://doi.org/10.1117/12.360404
Event: Photonics East '99, 1999, Boston, MA, United States

Abstract

This paper considers a network design problem introduced which resource allocation is performed within a Wavelength Division Multiplexing optical ring network to reduce overall equipment cost. The problem can be summarized as follows. The Add-Drop Multiplexers (ADM's) that are used to terminate lightpaths in an optical (SONET/SDH) ring are expensive and therefore a naive implementation that places ADM's for each wavelength at every node would waste expensive resources. However, by carefully assigning connections to wavelengths and routing the resulting lightpaths, one may avoid terminating all wavelengths at every node, and thereby reduce the number of ADM's needed.

Citation Download Citation

Guangzhi Li and Rahul Simha "Efficient routing to reduce the cost of add-drop multiplexers in WDM optical ring networks", Proc. SPIE 3843, All-Optical Networking 1999: Architecture, Control, and Management Issues, (25 August 1999); https://doi.org/10.1117/12.360404

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