Class-based first-fit spectrum allocation with fragmentation avoidance for dynamic flexgrid optical networks

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dc.citation.epage52en_US
dc.citation.spage44en_US
dc.citation.volumeNumber15en_US
dc.contributor.authorYumer, R.en_US
dc.contributor.authorAkar, N.en_US
dc.contributor.authorKarasan, E.en_US
dc.date.accessioned2015-07-28T12:02:44Z
dc.date.available2015-07-28T12:02:44Z
dc.date.issued2015en_US
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.description.abstractA novel Class-Based First Fit (CBFF) spectrum allocation policy is proposed for dynamic flexgrid optical networks. The effectiveness of the proposed CBFF policy is compared with that of the First Fit (FF) policy for single-link and network scenarios. Throughput is shown to be consistently improved under the proposed CBFF policy with throughput gains of up to 15%, compared with the FF policy for the network scenarios we studied. The reduction in bandwidth blocking probability with CBFF with respect to FF increases as the link capacities increase. Throughput gains of CBFF compared with those of FF are more significant under alternate routing as opposed to fixed routing.en_US
dc.description.provenanceMade available in DSpace on 2015-07-28T12:02:44Z (GMT). No. of bitstreams: 1 8311.pdf: 219120 bytes, checksum: 963a7787db9c760977880362b085b5d0 (MD5)en
dc.identifier.doi10.1016/j.osn.2014.06.001en_US
dc.identifier.issn1573-4277
dc.identifier.urihttp://hdl.handle.net/11693/12718
dc.language.isoEnglishen_US
dc.publisherElsevier BVen_US
dc.relation.isversionofhttp://dx.doi.org/10.1016/j.osn.2014.06.001en_US
dc.source.titleOptical Switching and Networkingen_US
dc.subjectBandwidth blocking probabilityen_US
dc.subjectConnection blocking probabilityen_US
dc.subjectFirst fiten_US
dc.subjectFlexgrid optical networksen_US
dc.subjectSpectrum allocationen_US
dc.titleClass-based first-fit spectrum allocation with fragmentation avoidance for dynamic flexgrid optical networksen_US
dc.typeArticleen_US

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