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		<identifier>oai:zbc.uz.zgora.pl:85722</identifier>
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<dc:title xml:lang="pl"><![CDATA[A column generation technique for routing and spectrum allocation in cloud-ready survivable elastic optical networks]]></dc:title>
<dc:creator><![CDATA[Goścień, Róża]]></dc:creator>
<dc:creator><![CDATA[Walkowiak, Krzysztof]]></dc:creator>
<dc:subject xml:lang="pl"><![CDATA[elastic optical network]]></dc:subject>
<dc:subject xml:lang="pl"><![CDATA[anycast traffic]]></dc:subject>
<dc:subject xml:lang="pl"><![CDATA[multicast traffic]]></dc:subject>
<dc:subject xml:lang="pl"><![CDATA[network survivability]]></dc:subject>
<dc:subject xml:lang="pl"><![CDATA[column generation technique]]></dc:subject>
<dc:description xml:lang="pl"><![CDATA[Driven by increasing user requirements and expectations, the fast development of telecommunications networks brings new challenging optimization problems. One of them is routing and spectrum allocation (RSA) of three types of network flows (unicast, anycast, multicast) in elastic optical networks (EONs) implementing dedicated path protection (DPP).]]></dc:description>
<dc:description xml:lang="pl"><![CDATA[In the paper, we model this problem as integer linear programming (ILP) and we introduce two new optimization approaches - a dedicated heuristic algorithm and a column generation (CG)-based method. Then, relying on extensive simulations, we compare algorithm performance with reference methods and evaluate CG efficiency in detail. The results show that the proposed CG method significantly outperforms reference algorithms and achieves results very close to optimal ones (the average distance to optimal results was at most 2.1%).]]></dc:description>
<dc:publisher><![CDATA[Zielona Góra: Uniwersytet Zielonogórski]]></dc:publisher>
<dc:contributor><![CDATA[Maksimov, Vyacheslav I. - ed.]]></dc:contributor>
<dc:contributor><![CDATA[Mordukhovich, Boris - ed.]]></dc:contributor>
<dc:date><![CDATA[2017]]></dc:date>
<dc:type xml:lang="pl"><![CDATA[artykuł]]></dc:type>
<dc:identifier><![CDATA[http://www.zbc.uz.zgora.pl/repozytorium/Content/85722/AMCS_2017_27_3_12.pdf]]></dc:identifier>
<dc:identifier><![CDATA[https://zbc.uz.zgora.pl/repozytorium/dlibra/publication/100654/edition/85722/content]]></dc:identifier>
<dc:identifier><![CDATA[oai:zbc.uz.zgora.pl:85722]]></dc:identifier>
<dc:source xml:lang="pl"><![CDATA[AMCS, volume 27, number 3 (2017)]]></dc:source>
<dc:source xml:lang="pl"><![CDATA[https://www.amcs.uz.zgora.pl/?action=papers&issue=105]]></dc:source>
<dc:language><![CDATA[eng]]></dc:language>
<dc:relation><![CDATA[oai:zbc.uz.zgora.pl:publication:100654]]></dc:relation>
<dc:rights xml:lang="pl"><![CDATA[Biblioteka Uniwersytetu Zielonogórskiego]]></dc:rights>
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