{"id":"https://openalex.org/W2912086641","doi":"https://doi.org/10.1364/jocn.11.000015","title":"Path-Based Fragmentation Metric and RSA Algorithms for Elastic Optical Networks","display_name":"Path-Based Fragmentation Metric and RSA Algorithms for Elastic Optical Networks","publication_year":2019,"publication_date":"2019-01-25","ids":{"openalex":"https://openalex.org/W2912086641","doi":"https://doi.org/10.1364/jocn.11.000015","mag":"2912086641"},"language":"en","primary_location":{"id":"doi:10.1364/jocn.11.000015","is_oa":false,"landing_page_url":"https://doi.org/10.1364/jocn.11.000015","pdf_url":null,"source":{"id":"https://openalex.org/S180088163","display_name":"Journal of Optical Communications and Networking","issn_l":"1943-0620","issn":["1943-0620","1943-0639"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Optical Communications and Networking","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5069185741","display_name":"Federico Pederzolli","orcid":"https://orcid.org/0000-0003-0557-9878"},"institutions":[{"id":"https://openalex.org/I4210137476","display_name":"Center for Research and Telecommunication Experimentation for Networked Communities","ror":"https://ror.org/04jyxq429","country_code":"IT","type":"other","lineage":["https://openalex.org/I2277624104","https://openalex.org/I4210137476"]}],"countries":["IT"],"is_corresponding":true,"raw_author_name":"Federico Pederzolli","raw_affiliation_strings":["FBK CREATE-NET, Trento, Italy"],"affiliations":[{"raw_affiliation_string":"FBK CREATE-NET, Trento, Italy","institution_ids":["https://openalex.org/I4210137476"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044055480","display_name":"Domenico Siracusa","orcid":"https://orcid.org/0000-0002-5640-6507"},"institutions":[{"id":"https://openalex.org/I4210137476","display_name":"Center for Research and Telecommunication Experimentation for Networked Communities","ror":"https://ror.org/04jyxq429","country_code":"IT","type":"other","lineage":["https://openalex.org/I2277624104","https://openalex.org/I4210137476"]}],"countries":["IT"],"is_corresponding":true,"raw_author_name":"Domenico Siracusa","raw_affiliation_strings":["FBK CREATE-NET, Trento, Italy"],"affiliations":[{"raw_affiliation_string":"FBK CREATE-NET, Trento, Italy","institution_ids":["https://openalex.org/I4210137476"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5061138413","display_name":"Andrea Zanardi","orcid":null},"institutions":[{"id":"https://openalex.org/I4210137476","display_name":"Center for Research and Telecommunication Experimentation for Networked Communities","ror":"https://ror.org/04jyxq429","country_code":"IT","type":"other","lineage":["https://openalex.org/I2277624104","https://openalex.org/I4210137476"]}],"countries":["IT"],"is_corresponding":true,"raw_author_name":"Andrea Zanardi","raw_affiliation_strings":["FBK CREATE-NET, Trento, Italy"],"affiliations":[{"raw_affiliation_string":"FBK CREATE-NET, Trento, Italy","institution_ids":["https://openalex.org/I4210137476"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062385309","display_name":"Gabriele Galimberti","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Gabriele Galimberti","raw_affiliation_strings":["G. Galimberti, D. La Fauci, and G. Martinelli are with Cisco Photonics Srl, Vimercate, Italy"],"affiliations":[{"raw_affiliation_string":"G. Galimberti, D. La Fauci, and G. Martinelli are with Cisco Photonics Srl, Vimercate, Italy","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110239040","display_name":"D. La Fauci","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Domenico La Fauci","raw_affiliation_strings":["G. Galimberti, D. La Fauci, and G. Martinelli are with Cisco Photonics Srl, Vimercate, Italy"],"affiliations":[{"raw_affiliation_string":"G. Galimberti, D. La Fauci, and G. Martinelli are with Cisco Photonics Srl, Vimercate, Italy","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5073761054","display_name":"Giovanni Martinelli","orcid":"https://orcid.org/0000-0002-1025-4210"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Giovanni Martinelli","raw_affiliation_strings":["G. Galimberti, D. La Fauci, and G. Martinelli are with Cisco Photonics Srl, Vimercate, Italy"],"affiliations":[{"raw_affiliation_string":"G. Galimberti, D. La Fauci, and G. Martinelli are with Cisco Photonics Srl, Vimercate, Italy","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5044055480","https://openalex.org/A5061138413","https://openalex.org/A5069185741"],"corresponding_institution_ids":["https://openalex.org/I4210137476"],"apc_list":null,"apc_paid":null,"fwci":3.2191,"has_fulltext":false,"cited_by_count":38,"citation_normalized_percentile":{"value":0.92255402,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":91,"max":99},"biblio":{"volume":"11","issue":"3","first_page":"15","last_page":"15"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10847","display_name":"Advanced Optical Network Technologies","score":0.9998999834060669,"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":0.9998999834060669,"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":0.9997000098228455,"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":0.9959999918937683,"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/fragmentation","display_name":"Fragmentation (computing)","score":0.7202621698379517},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6930598616600037},{"id":"https://openalex.org/keywords/grid","display_name":"Grid","score":0.6102191805839539},{"id":"https://openalex.org/keywords/frequency-allocation","display_name":"Frequency allocation","score":0.5908465385437012},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.5021219253540039},{"id":"https://openalex.org/keywords/metric","display_name":"Metric (unit)","score":0.49750950932502747},{"id":"https://openalex.org/keywords/performance-metric","display_name":"Performance metric","score":0.49582037329673767},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.46151918172836304},{"id":"https://openalex.org/keywords/heuristic","display_name":"Heuristic","score":0.43428438901901245},{"id":"https://openalex.org/keywords/path","display_name":"Path (computing)","score":0.42536839842796326},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.3904576897621155},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.20312559604644775},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.11281657218933105}],"concepts":[{"id":"https://openalex.org/C191015642","wikidata":"https://www.wikidata.org/wiki/Q1132459","display_name":"Fragmentation (computing)","level":2,"score":0.7202621698379517},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6930598616600037},{"id":"https://openalex.org/C187691185","wikidata":"https://www.wikidata.org/wiki/Q2020720","display_name":"Grid","level":2,"score":0.6102191805839539},{"id":"https://openalex.org/C134579502","wikidata":"https://www.wikidata.org/wiki/Q1455619","display_name":"Frequency allocation","level":2,"score":0.5908465385437012},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.5021219253540039},{"id":"https://openalex.org/C176217482","wikidata":"https://www.wikidata.org/wiki/Q860554","display_name":"Metric (unit)","level":2,"score":0.49750950932502747},{"id":"https://openalex.org/C2780898871","wikidata":"https://www.wikidata.org/wiki/Q860554","display_name":"Performance metric","level":2,"score":0.49582037329673767},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.46151918172836304},{"id":"https://openalex.org/C173801870","wikidata":"https://www.wikidata.org/wiki/Q201413","display_name":"Heuristic","level":2,"score":0.43428438901901245},{"id":"https://openalex.org/C2777735758","wikidata":"https://www.wikidata.org/wiki/Q817765","display_name":"Path (computing)","level":2,"score":0.42536839842796326},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3904576897621155},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.20312559604644775},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.11281657218933105},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C21547014","wikidata":"https://www.wikidata.org/wiki/Q1423657","display_name":"Operations management","level":1,"score":0.0},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C187736073","wikidata":"https://www.wikidata.org/wiki/Q2920921","display_name":"Management","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1364/jocn.11.000015","is_oa":false,"landing_page_url":"https://doi.org/10.1364/jocn.11.000015","pdf_url":null,"source":{"id":"https://openalex.org/S180088163","display_name":"Journal of Optical Communications and Networking","issn_l":"1943-0620","issn":["1943-0620","1943-0639"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Optical Communications and Networking","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/9","display_name":"Industry, innovation and infrastructure","score":0.44999998807907104}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":50,"referenced_works":["https://openalex.org/W1502091955","https://openalex.org/W1536907896","https://openalex.org/W1539423654","https://openalex.org/W1569651935","https://openalex.org/W1673143325","https://openalex.org/W1965723188","https://openalex.org/W1969743747","https://openalex.org/W2002746929","https://openalex.org/W2005749588","https://openalex.org/W2013678258","https://openalex.org/W2042788948","https://openalex.org/W2069804015","https://openalex.org/W2071118886","https://openalex.org/W2079835713","https://openalex.org/W2094470306","https://openalex.org/W2103063836","https://openalex.org/W2105020099","https://openalex.org/W2121456201","https://openalex.org/W2133768407","https://openalex.org/W2142972301","https://openalex.org/W2165223588","https://openalex.org/W2312259237","https://openalex.org/W2316293744","https://openalex.org/W2321123311","https://openalex.org/W2333427743","https://openalex.org/W2548881966","https://openalex.org/W2584943333","https://openalex.org/W2765858976","https://openalex.org/W2775452374","https://openalex.org/W2789815816","https://openalex.org/W2792295283","https://openalex.org/W3151057018","https://openalex.org/W6631677901","https://openalex.org/W6632212849","https://openalex.org/W6632271427","https://openalex.org/W6634112398","https://openalex.org/W6637232777","https://openalex.org/W6651033313","https://openalex.org/W6673883678","https://openalex.org/W6678002179","https://openalex.org/W6680836841","https://openalex.org/W6696637797","https://openalex.org/W6698770082","https://openalex.org/W6699215179","https://openalex.org/W6700413896","https://openalex.org/W6702616481","https://openalex.org/W6729150738","https://openalex.org/W6732924416","https://openalex.org/W6746725713","https://openalex.org/W6751980563"],"related_works":["https://openalex.org/W4297427155","https://openalex.org/W4361804730","https://openalex.org/W2142113611","https://openalex.org/W2334467465","https://openalex.org/W2087870008","https://openalex.org/W2162534555","https://openalex.org/W2752178021","https://openalex.org/W2107419853","https://openalex.org/W2143024819","https://openalex.org/W4247159817"],"abstract_inverted_index":{"Flexi-grid":[0],"technology":[1],"has":[2],"emerged":[3],"as":[4],"the":[5,35,53,78,108,122,134,158,181,186],"evolution":[6],"of":[7,17,34,55,68,95,110,124,150,172],"fixed-grid":[8,41],"DWDM":[9],"core":[10],"optical":[11,60],"networks,":[12,61],"enabling":[13],"more":[14],"efficient":[15],"utilization":[16],"spectral":[18,56,83],"resources":[19,57],"and":[20,77,98,132,153,179],"leading":[21],"to":[22,50,88,106,120],"higher":[23],"overall":[24],"network":[25,155],"throughput.":[26],"However,":[27],"it":[28],"suffers":[29],"from":[30,133],"an":[31,81,111],"aggravated":[32],"form":[33],"spectrum":[36,99,167],"fragmentation":[37,54,113,183],"problem":[38],"that":[39,64,80,103,141,180],"affects":[40],"networks.":[42],"This":[43],"work":[44,131],"presents":[45],"a":[46,69,90,164],"novel":[47],"path-based":[48],"metric":[49,114,184],"better":[51],"evaluate":[52,121],"in":[58,129,148],"flexi-grid":[59],"which":[62],"considers":[63],"not":[65],"all":[66],"links":[67],"path":[70],"may":[71],"contain":[72],"enough":[73,87],"free":[74],"frequency":[75],"slots":[76],"likelihood":[79],"end-to-end":[82],"void":[84],"is":[85],"large":[86],"house":[89],"connection.":[91],"Furthermore,":[92],"two":[93],"families":[94,144],"heuristic":[96],"routing":[97,162],"allocation":[100,168],"(RSA)":[101],"algorithms":[102],"preventively":[104],"attempt":[105],"minimize":[107],"value":[109],"input":[112],"are":[115,118],"presented.":[116],"These":[117],"used":[119],"effectiveness":[123],"multiple":[125],"metrics,":[126],"both":[127,142],"introduced":[128],"this":[130],"existing":[135,187],"literature,":[136],"via":[137],"simulations.":[138],"We":[139],"find":[140],"proposed":[143,182],"can":[145],"perform":[146],"better,":[147],"terms":[149],"blocking":[151],"probability":[152],"achievable":[154],"throughput,":[156],"than":[157],"well-known":[159],"K-shortest":[160],"paths":[161],"with":[163,170],"first":[165],"fit":[166],"policy,":[169],"one":[171],"them":[173],"trading":[174],"performance":[175],"for":[176],"lower":[177],"complexity,":[178],"outperforms":[185],"ones.":[188]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":6},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":11},{"year":2020,"cited_by_count":10},{"year":2019,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
