{"id":"https://openalex.org/W3088942123","doi":"https://doi.org/10.1109/icton51198.2020.9203329","title":"NFV-Enabled Optimal Spectrum Allocation in Flex-Grid Optical Networks","display_name":"NFV-Enabled Optimal Spectrum Allocation in Flex-Grid Optical Networks","publication_year":2020,"publication_date":"2020-07-01","ids":{"openalex":"https://openalex.org/W3088942123","doi":"https://doi.org/10.1109/icton51198.2020.9203329","mag":"3088942123"},"language":"en","primary_location":{"id":"doi:10.1109/icton51198.2020.9203329","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icton51198.2020.9203329","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 22nd International Conference on Transparent Optical Networks (ICTON)","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://hdl.handle.net/2117/353095","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5037170311","display_name":"Christian Tipantu\u00f1a","orcid":"https://orcid.org/0000-0002-8655-325X"},"institutions":[{"id":"https://openalex.org/I70764802","display_name":"National Polytechnic School","ror":"https://ror.org/01gb99w41","country_code":"EC","type":"education","lineage":["https://openalex.org/I70764802"]}],"countries":["EC"],"is_corresponding":true,"raw_author_name":"Christian Tipantuna","raw_affiliation_strings":["Escuela Polit\u00e9cnica Nacional, Ladr\u00f3n de Guevara, Quito, Ecuador"],"affiliations":[{"raw_affiliation_string":"Escuela Polit\u00e9cnica Nacional, Ladr\u00f3n de Guevara, Quito, Ecuador","institution_ids":["https://openalex.org/I70764802"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5090631560","display_name":"Xavier Hesselbach","orcid":"https://orcid.org/0000-0002-7888-3603"},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Xavier Hesselbach","raw_affiliation_strings":["Universitat Polit\u00e8cnica de Catalunya (UPC), Jordi Girona 1-3, Barcelona, Spain"],"affiliations":[{"raw_affiliation_string":"Universitat Polit\u00e8cnica de Catalunya (UPC), Jordi Girona 1-3, Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5037170311"],"corresponding_institution_ids":["https://openalex.org/I70764802"],"apc_list":null,"apc_paid":null,"fwci":0.1037,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.43542527,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"7"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10847","display_name":"Advanced Optical Network Technologies","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10847","display_name":"Advanced Optical Network Technologies","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10232","display_name":"Optical Network Technologies","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10767","display_name":"Advanced Photonic Communication Systems","score":0.9988999962806702,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/frequency-allocation","display_name":"Frequency allocation","score":0.7770166397094727},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7320990562438965},{"id":"https://openalex.org/keywords/heuristic","display_name":"Heuristic","score":0.6760846376419067},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.6209107637405396},{"id":"https://openalex.org/keywords/grid","display_name":"Grid","score":0.6190809011459351},{"id":"https://openalex.org/keywords/maximization","display_name":"Maximization","score":0.563418984413147},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.4432191252708435},{"id":"https://openalex.org/keywords/multiplexing","display_name":"Multiplexing","score":0.4141278862953186},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.34616002440452576},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.2146742045879364},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.1844169795513153},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1270940899848938},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.11536809802055359}],"concepts":[{"id":"https://openalex.org/C134579502","wikidata":"https://www.wikidata.org/wiki/Q1455619","display_name":"Frequency allocation","level":2,"score":0.7770166397094727},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7320990562438965},{"id":"https://openalex.org/C173801870","wikidata":"https://www.wikidata.org/wiki/Q201413","display_name":"Heuristic","level":2,"score":0.6760846376419067},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.6209107637405396},{"id":"https://openalex.org/C187691185","wikidata":"https://www.wikidata.org/wiki/Q2020720","display_name":"Grid","level":2,"score":0.6190809011459351},{"id":"https://openalex.org/C2776330181","wikidata":"https://www.wikidata.org/wiki/Q18358244","display_name":"Maximization","level":2,"score":0.563418984413147},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.4432191252708435},{"id":"https://openalex.org/C19275194","wikidata":"https://www.wikidata.org/wiki/Q222903","display_name":"Multiplexing","level":2,"score":0.4141278862953186},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.34616002440452576},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.2146742045879364},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.1844169795513153},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1270940899848938},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.11536809802055359},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/icton51198.2020.9203329","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icton51198.2020.9203329","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 22nd International Conference on Transparent Optical Networks (ICTON)","raw_type":"proceedings-article"},{"id":"pmh:oai:upcommons.upc.edu:2117/353095","is_oa":true,"landing_page_url":"http://hdl.handle.net/2117/353095","pdf_url":null,"source":{"id":"https://openalex.org/S4210207057","display_name":"QRU Quaderns de Recerca en Urbanisme","issn_l":"2014-9689","issn":["2014-9689","2385-6777"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/P4310322448","host_organization_name":"Q71272178","host_organization_lineage":["https://openalex.org/P4310322448"],"host_organization_lineage_names":["Q71272178"],"type":"journal"},"license":"public-domain","license_id":"https://openalex.org/licenses/public-domain","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Conference report"}],"best_oa_location":{"id":"pmh:oai:upcommons.upc.edu:2117/353095","is_oa":true,"landing_page_url":"http://hdl.handle.net/2117/353095","pdf_url":null,"source":{"id":"https://openalex.org/S4210207057","display_name":"QRU Quaderns de Recerca en Urbanisme","issn_l":"2014-9689","issn":["2014-9689","2385-6777"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/P4310322448","host_organization_name":"Q71272178","host_organization_lineage":["https://openalex.org/P4310322448"],"host_organization_lineage_names":["Q71272178"],"type":"journal"},"license":"public-domain","license_id":"https://openalex.org/licenses/public-domain","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Conference report"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W162895179","https://openalex.org/W1935037685","https://openalex.org/W1999520234","https://openalex.org/W2000565366","https://openalex.org/W2491584001","https://openalex.org/W2778903934","https://openalex.org/W3014210387","https://openalex.org/W6640611841","https://openalex.org/W6747011623"],"related_works":["https://openalex.org/W2890791469","https://openalex.org/W4251457771","https://openalex.org/W2078091825","https://openalex.org/W3008427980","https://openalex.org/W3023382193","https://openalex.org/W4321260179","https://openalex.org/W2473841733","https://openalex.org/W2508639893","https://openalex.org/W2018636102","https://openalex.org/W2389420861"],"abstract_inverted_index":{"This":[0],"paper":[1,71],"proposes":[2],"an":[3,89,99],"NFV-Enabled":[4],"optimal":[5,80,141],"spectrum":[6,37,50,65,81,142,160],"allocation":[7,38,54,143],"solution":[8],"applicable":[9],"to":[10,33,39,60,152],"fixed-grid":[11],"and":[12,95,114,145,148],"flex-grid":[13],"wavelength":[14],"division":[15],"multiplexing":[16],"(WDM)":[17],"optical":[18],"networks.":[19],"By":[20],"exploiting":[21],"the":[22,29,35,41,53,62,73,79,107,111,115,136,139,146,153],"frequency":[23,46],"shifting":[24],"capability":[25],"of":[26,55,64,110,118,138,155],"individual":[27],"lightpaths,":[28],"proposed":[30,140],"approach":[31],"aims":[32],"recalculate":[34],"initial":[36],"eliminate":[40],"unusable":[42],"gaps":[43],"between":[44],"occupied":[45],"slots.":[47],"The":[48,83],"reorganized":[49],"will":[51],"facilitate":[52],"new":[56],"connections,":[57],"in":[58,159],"order":[59],"enable":[61],"maximization":[63],"utilization.":[66],"In":[67],"this":[68,70],"regard,":[69],"describes":[72],"NFV-enabled":[74],"scheme":[75],"for":[76],"carrying":[77],"out":[78],"allocation.":[82],"optimization":[84,112],"problem":[85,113],"is":[86,131],"formulated":[87],"as":[88],"Integer":[90],"Linear":[91],"Program":[92],"(ILP)":[93],"model":[94],"solved":[96],"optimally":[97],"using":[98],"exact":[100,147],"brute-force":[101],"search-based":[102],"algorithmic":[103],"strategy":[104,124],"(OptFs).":[105],"Given":[106],"NP-hard":[108],"nature":[109],"non-polynomial":[116],"complexity":[117],"OptFs,":[119],"a":[120,128,164],"suboptimal,":[121],"faster":[122],"heuristic":[123,149],"(FastFs),":[125],"based":[126],"on":[127],"prepartition":[129],"method,":[130],"proposed.":[132],"Simulation":[133],"results":[134],"validate":[135],"performance":[137],"approach,":[144],"solutions,":[150],"compared":[151],"non-application":[154],"strategies,":[156],"demonstrate":[157],"improvements":[158],"utilization":[161],"while":[162],"offering":[163],"dynamic":[165],"network":[166],"operation.":[167]},"counts_by_year":[{"year":2022,"cited_by_count":1}],"updated_date":"2026-03-20T23:20:44.827607","created_date":"2020-10-01T00:00:00"}