Please use this identifier to cite or link to this item: https://olympias.lib.uoi.gr/jspui/handle/123456789/10917
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dc.contributor.authorNomikos, C.en
dc.contributor.authorPagourtzis, A.en
dc.contributor.authorPotika, K.en
dc.contributor.authorZachos, S.en
dc.date.accessioned2015-11-24T17:01:23Z-
dc.date.available2015-11-24T17:01:23Z-
dc.identifier.issn1389-1286-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/10917-
dc.rightsDefault Licence-
dc.subjectgraph theoryen
dc.subjectwavelength assignmenten
dc.subjectmultifiber optical networksen
dc.subjectoptical networksen
dc.subjectring networksen
dc.subjecttreeen
dc.titleRouting and wavelength assignment in multifiber WDM networks with non-uniform fiber costen
heal.typejournalArticle-
heal.type.enJournal articleen
heal.type.elΆρθρο Περιοδικούel
heal.identifier.primaryDOI 10.1016/j.comnet.2004.11.028-
heal.languageen-
heal.accesscampus-
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Μηχανικών Ηλεκτρονικών Υπολογιστών και Πληροφορικήςel
heal.publicationDate2006-
heal.abstractMotivated by the increasing importance of multifiber WDM networks we study a routing and wavelength assignment problem in such networks. In this problem the number of wavelengths per fiber is given and the goal is to minimize the cost of fiber links that need to be reserved in order to satisfy a set of communication requests; we introduce a generalized setting where network pricing is non-uniform, that is the cost of hiring a fiber may differ from link to link. We consider two variations: undirected, which corresponds to full-duplex communication, and directed, which corresponds to one-way communication. Moreover, for rings we also study the problem in the case of pre-determined routing. We present exact or constant-ratio approximation algorithms for all the above variations in chain, ring and spider networks. (c) 2005 Elsevier B.V. All rights reserved.en
heal.journalNameComputer Networksen
heal.journalTypepeer reviewed-
heal.fullTextAvailabilityTRUE-
Appears in Collections:Άρθρα σε επιστημονικά περιοδικά ( Ανοικτά)

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