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Minimum-and maximum-entropy routing and spectrum assignment for flexgrid elastic optical networking [invited]

Wright, P and Parker, MC and Lord, A (2015) 'Minimum-and maximum-entropy routing and spectrum assignment for flexgrid elastic optical networking [invited].' Journal of Optical Communications and Networking, 7 (1). A66 - A72. ISSN 1943-0620

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Abstract

We present two complementary routing and spectrum assignment (RSA) algorithms that use a quantitative fragmentation metric using the concept of Shannon entropy in flexgrid networks. Applying the minimum-entropy (MinEnt) approach to the BT network, support for almost 10% more demands in a static growth scenario is shown. We also present results for a maximum-entropy (MaxEnt) RSA approach, implemented using a genetic algorithm, and operated on the same real BT network topology. The MaxEnt approach avoids fragmentation problems, and it is anticipated that this can increase network utilization.

Item Type: Article
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Divisions: Faculty of Science and Health > Computer Science and Electronic Engineering, School of
Depositing User: Jim Jamieson
Date Deposited: 21 Aug 2015 09:12
Last Modified: 29 Mar 2021 19:15
URI: http://repository.essex.ac.uk/id/eprint/14577

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