Improving link spectrum utilization in Flexgrid optical networks

Flexible grid optical networks are emerging as an appealing solution for future high-speed optical transport because they can provide superior flexibility and scalability and cope with the rapid growth of Internet traffic. This work introduces some simple strategies that help improve spectrum usage...

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Autores: Comellas Colomé, Jaume|||0000-0002-9129-0562, Junyent Giralt, Gabriel|||0000-0003-0059-7700
Formato: artículo
Fecha de publicación:2015
País:España
Recursos:Universitat Politècnica de Catalunya (UPC)
Repositorio:UPCommons. Portal del coneixement obert de la UPC
Idioma:inglés
OAI Identifier:oai:upcommons.upc.edu:2117/77068
Acesso em linha:https://hdl.handle.net/2117/77068
https://dx.doi.org/10.1364/JOCN.7.000618
Access Level:acceso abierto
Palavra-chave:Optical fibers
Elastic optical network
Grid-less optical network
Spectrum allocation
Spectrum management
Path network
Fibres òptiques
Àrees temàtiques de la UPC::Enginyeria de la telecomunicació
Àrees temàtiques de la UPC::Enginyeria electrònica
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spelling Improving link spectrum utilization in Flexgrid optical networksComellas Colomé, Jaume|||0000-0002-9129-0562Junyent Giralt, Gabriel|||0000-0003-0059-7700Optical fibersElastic optical networkGrid-less optical networkSpectrum allocationSpectrum managementPath networkFibres òptiquesÀrees temàtiques de la UPC::Enginyeria de la telecomunicacióÀrees temàtiques de la UPC::Enginyeria electrònicaFlexible grid optical networks are emerging as an appealing solution for future high-speed optical transport because they can provide superior flexibility and scalability and cope with the rapid growth of Internet traffic. This work introduces some simple strategies that help improve spectrum usage in flexgrid optical networks based on limiting the bandwidth flexibility of the requested connections. Link performance improvement is demonstrated by adapting fully elastic optical networks to multibitrate optical networks where only some connection bandwidth values are allowed. With the aim of avoiding useless spectrum voids, the set of bandwidth values that connections can take is appropriately adjusted. By limiting the possible connection sizes, it is analytically demonstrated that some gain is obtained at the cost of losing some flexibility. Simulation results obtained at the link as well as at the whole network level assess the advantages anticipated by the theoretical study.Peer ReviewedInstitute of Electrical and Electronics Engineers (IEEE)20152015-07-0120152015-09-23journal articlehttp://purl.org/coar/resource_type/c_6501AMhttp://purl.org/coar/version/c_ab4af688f83e57aainfo:eu-repo/semantics/articleapplication/pdfhttps://hdl.handle.net/2117/77068https://dx.doi.org/10.1364/JOCN.7.000618reponame:UPCommons. Portal del coneixement obert de la UPCinstname:Universitat Politècnica de Catalunya (UPC)InglésengMinisterio de Economía y Competitividad http://doi.org/10.13039/501100003329 TEC2014-59995-R SERVICE-ORIENTED HYBRID OPTICAL NETWORK AND CLOUD INFRASTRUCTURE FEATURING HIGH THROUGHPUT AND ULTRA-LOW LATENCYopen accesshttp://purl.org/coar/access_right/c_abf2info:eu-repo/semantics/openAccessoai:upcommons.upc.edu:2117/770682026-05-27T15:37:01Z
dc.title.none.fl_str_mv Improving link spectrum utilization in Flexgrid optical networks
title Improving link spectrum utilization in Flexgrid optical networks
spellingShingle Improving link spectrum utilization in Flexgrid optical networks
Comellas Colomé, Jaume|||0000-0002-9129-0562
Optical fibers
Elastic optical network
Grid-less optical network
Spectrum allocation
Spectrum management
Path network
Fibres òptiques
Àrees temàtiques de la UPC::Enginyeria de la telecomunicació
Àrees temàtiques de la UPC::Enginyeria electrònica
title_short Improving link spectrum utilization in Flexgrid optical networks
title_full Improving link spectrum utilization in Flexgrid optical networks
title_fullStr Improving link spectrum utilization in Flexgrid optical networks
title_full_unstemmed Improving link spectrum utilization in Flexgrid optical networks
title_sort Improving link spectrum utilization in Flexgrid optical networks
dc.creator.none.fl_str_mv Comellas Colomé, Jaume|||0000-0002-9129-0562
Junyent Giralt, Gabriel|||0000-0003-0059-7700
author Comellas Colomé, Jaume|||0000-0002-9129-0562
author_facet Comellas Colomé, Jaume|||0000-0002-9129-0562
Junyent Giralt, Gabriel|||0000-0003-0059-7700
author_role author
author2 Junyent Giralt, Gabriel|||0000-0003-0059-7700
author2_role author
dc.subject.none.fl_str_mv Optical fibers
Elastic optical network
Grid-less optical network
Spectrum allocation
Spectrum management
Path network
Fibres òptiques
Àrees temàtiques de la UPC::Enginyeria de la telecomunicació
Àrees temàtiques de la UPC::Enginyeria electrònica
topic Optical fibers
Elastic optical network
Grid-less optical network
Spectrum allocation
Spectrum management
Path network
Fibres òptiques
Àrees temàtiques de la UPC::Enginyeria de la telecomunicació
Àrees temàtiques de la UPC::Enginyeria electrònica
description Flexible grid optical networks are emerging as an appealing solution for future high-speed optical transport because they can provide superior flexibility and scalability and cope with the rapid growth of Internet traffic. This work introduces some simple strategies that help improve spectrum usage in flexgrid optical networks based on limiting the bandwidth flexibility of the requested connections. Link performance improvement is demonstrated by adapting fully elastic optical networks to multibitrate optical networks where only some connection bandwidth values are allowed. With the aim of avoiding useless spectrum voids, the set of bandwidth values that connections can take is appropriately adjusted. By limiting the possible connection sizes, it is analytically demonstrated that some gain is obtained at the cost of losing some flexibility. Simulation results obtained at the link as well as at the whole network level assess the advantages anticipated by the theoretical study.
publishDate 2015
dc.date.none.fl_str_mv 2015
2015-07-01
2015
2015-09-23
dc.type.none.fl_str_mv journal article
http://purl.org/coar/resource_type/c_6501
AM
http://purl.org/coar/version/c_ab4af688f83e57aa
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv https://hdl.handle.net/2117/77068
https://dx.doi.org/10.1364/JOCN.7.000618
url https://hdl.handle.net/2117/77068
https://dx.doi.org/10.1364/JOCN.7.000618
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.relation.none.fl_str_mv Ministerio de Economía y Competitividad http://doi.org/10.13039/501100003329 TEC2014-59995-R SERVICE-ORIENTED HYBRID OPTICAL NETWORK AND CLOUD INFRASTRUCTURE FEATURING HIGH THROUGHPUT AND ULTRA-LOW LATENCY
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Institute of Electrical and Electronics Engineers (IEEE)
publisher.none.fl_str_mv Institute of Electrical and Electronics Engineers (IEEE)
dc.source.none.fl_str_mv reponame:UPCommons. Portal del coneixement obert de la UPC
instname:Universitat Politècnica de Catalunya (UPC)
instname_str Universitat Politècnica de Catalunya (UPC)
reponame_str UPCommons. Portal del coneixement obert de la UPC
collection UPCommons. Portal del coneixement obert de la UPC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,300724

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