{"id":"https://openalex.org/W2971698748","doi":"https://doi.org/10.1587/transcom.2019ebp3075","title":"Defragmentation with Reroutable Backup Paths in Toggled 1+1 Protection Elastic Optical Networks","display_name":"Defragmentation with Reroutable Backup Paths in Toggled 1+1 Protection Elastic Optical Networks","publication_year":2019,"publication_date":"2019-09-02","ids":{"openalex":"https://openalex.org/W2971698748","doi":"https://doi.org/10.1587/transcom.2019ebp3075","mag":"2971698748"},"language":"en","primary_location":{"id":"doi:10.1587/transcom.2019ebp3075","is_oa":false,"landing_page_url":"https://doi.org/10.1587/transcom.2019ebp3075","pdf_url":null,"source":{"id":"https://openalex.org/S2493627025","display_name":"IEICE Transactions on Communications","issn_l":"0916-8516","issn":["0916-8516","1745-1345"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4320800604","host_organization_name":"Institute of Electronics, Information and Communication Engineers","host_organization_lineage":["https://openalex.org/P4320800604"],"host_organization_lineage_names":["Institute of Electronics, Information and Communication Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEICE Transactions on Communications","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/A5017563809","display_name":"Takaaki Sawa","orcid":null},"institutions":[{"id":"https://openalex.org/I22299242","display_name":"Kyoto University","ror":"https://ror.org/02kpeqv85","country_code":"JP","type":"education","lineage":["https://openalex.org/I22299242"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Takaaki SAWA","raw_affiliation_strings":["Graduate School of Informatics, Kyoto University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Informatics, Kyoto University","institution_ids":["https://openalex.org/I22299242"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048011832","display_name":"Fujun He","orcid":"https://orcid.org/0000-0002-2860-2930"},"institutions":[{"id":"https://openalex.org/I22299242","display_name":"Kyoto University","ror":"https://ror.org/02kpeqv85","country_code":"JP","type":"education","lineage":["https://openalex.org/I22299242"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Fujun HE","raw_affiliation_strings":["Graduate School of Informatics, Kyoto University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Informatics, Kyoto University","institution_ids":["https://openalex.org/I22299242"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067787810","display_name":"Takehiro Sato","orcid":"https://orcid.org/0000-0002-6253-0942"},"institutions":[{"id":"https://openalex.org/I22299242","display_name":"Kyoto University","ror":"https://ror.org/02kpeqv85","country_code":"JP","type":"education","lineage":["https://openalex.org/I22299242"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Takehiro SATO","raw_affiliation_strings":["Graduate School of Informatics, Kyoto University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Informatics, Kyoto University","institution_ids":["https://openalex.org/I22299242"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060706588","display_name":"Bijoy Chand Chatterjee","orcid":"https://orcid.org/0000-0002-9363-9289"},"institutions":[{"id":"https://openalex.org/I90425906","display_name":"South Asian University","ror":"https://ror.org/02kjyst95","country_code":"IN","type":"education","lineage":["https://openalex.org/I90425906"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Bijoy Chand CHATTERJEE","raw_affiliation_strings":["Dept. of Computer Science, South Asian University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of Computer Science, South Asian University","institution_ids":["https://openalex.org/I90425906"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5047825950","display_name":"Eiji Oki","orcid":"https://orcid.org/0000-0003-2177-5027"},"institutions":[{"id":"https://openalex.org/I22299242","display_name":"Kyoto University","ror":"https://ror.org/02kpeqv85","country_code":"JP","type":"education","lineage":["https://openalex.org/I22299242"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Eiji OKI","raw_affiliation_strings":["Graduate School of Informatics, Kyoto University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Informatics, Kyoto University","institution_ids":["https://openalex.org/I22299242"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.1168,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.45268602,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"E103.B","issue":"3","first_page":"211","last_page":"223"},"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":0.9991000294685364,"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":0.9968000054359436,"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/backup","display_name":"Backup","score":0.9227460622787476},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8562959432601929},{"id":"https://openalex.org/keywords/integer-programming","display_name":"Integer programming","score":0.6216420531272888},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.5566980242729187},{"id":"https://openalex.org/keywords/path","display_name":"Path (computing)","score":0.5533329844474792},{"id":"https://openalex.org/keywords/heuristic","display_name":"Heuristic","score":0.5145065784454346},{"id":"https://openalex.org/keywords/scheme","display_name":"Scheme (mathematics)","score":0.4435714781284332},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.40545013546943665},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.276180624961853},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.07216662168502808}],"concepts":[{"id":"https://openalex.org/C2780945871","wikidata":"https://www.wikidata.org/wiki/Q194274","display_name":"Backup","level":2,"score":0.9227460622787476},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8562959432601929},{"id":"https://openalex.org/C56086750","wikidata":"https://www.wikidata.org/wiki/Q6042592","display_name":"Integer programming","level":2,"score":0.6216420531272888},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.5566980242729187},{"id":"https://openalex.org/C2777735758","wikidata":"https://www.wikidata.org/wiki/Q817765","display_name":"Path (computing)","level":2,"score":0.5533329844474792},{"id":"https://openalex.org/C173801870","wikidata":"https://www.wikidata.org/wiki/Q201413","display_name":"Heuristic","level":2,"score":0.5145065784454346},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.4435714781284332},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.40545013546943665},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.276180624961853},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.07216662168502808},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","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/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1587/transcom.2019ebp3075","is_oa":false,"landing_page_url":"https://doi.org/10.1587/transcom.2019ebp3075","pdf_url":null,"source":{"id":"https://openalex.org/S2493627025","display_name":"IEICE Transactions on Communications","issn_l":"0916-8516","issn":["0916-8516","1745-1345"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4320800604","host_organization_name":"Institute of Electronics, Information and Communication Engineers","host_organization_lineage":["https://openalex.org/P4320800604"],"host_organization_lineage_names":["Institute of Electronics, Information and Communication Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEICE Transactions on Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":21,"referenced_works":["https://openalex.org/W1561571306","https://openalex.org/W1965961695","https://openalex.org/W1975638108","https://openalex.org/W2012049010","https://openalex.org/W2015095324","https://openalex.org/W2054229747","https://openalex.org/W2054754197","https://openalex.org/W2077338552","https://openalex.org/W2077633789","https://openalex.org/W2089983976","https://openalex.org/W2094004254","https://openalex.org/W2107810434","https://openalex.org/W2147092597","https://openalex.org/W2154035032","https://openalex.org/W2194806861","https://openalex.org/W2346096695","https://openalex.org/W2495356611","https://openalex.org/W2582122157","https://openalex.org/W2765858976","https://openalex.org/W2912401739","https://openalex.org/W2932646556"],"related_works":["https://openalex.org/W2955195711","https://openalex.org/W2354454611","https://openalex.org/W2993266126","https://openalex.org/W2392283887","https://openalex.org/W2351388597","https://openalex.org/W2939925694","https://openalex.org/W2829881200","https://openalex.org/W4241986464","https://openalex.org/W2184647741","https://openalex.org/W2011675579"],"abstract_inverted_index":{"This":[0,69],"paper":[1],"proposes":[2],"a":[3,85,141],"defragmentation":[4,25,76],"scheme":[5,33,53,166,173,204],"using":[6],"reroutable":[7],"backup":[8,39,44,60,64,81],"paths":[9,40,57,65],"in":[10,77,93,174],"toggled-based":[11,95],"quasi":[12,96],"1+1":[13,97],"path":[14,47,98,154],"protected":[15,99],"elastic":[16],"optical":[17],"networks":[18,131,132],"(EONs)":[19],"to":[20,115,125,170,210],"improve":[21],"the":[22,28,51,55,59,63,67,73,94,127,134,149,161,164,171,197,202,206,211],"efficiency":[23],"of":[24,38,43,50,72,75,111,163,176,183],"and":[26,41,80,153,186],"suppress":[27],"fragmentation":[29,150],"effect.":[30],"The":[31,46,108,192],"proposed":[32,52,165,203],"can":[34],"reallocate":[35],"spectrum":[36,87],"slots":[37],"reroute":[42],"paths.":[45,82],"exchange":[48],"function":[49],"makes":[54],"primary":[56,79],"become":[58,66],"state":[61],"while":[62],"primary.":[68],"allows":[70],"utilization":[71],"advantages":[74],"both":[78],"We":[83,159],"formulate":[84],"static":[86],"reallocation":[88],"problem":[89,128,136],"with":[90],"rerouting":[91,152],"(SSRR)":[92],"EON":[100],"as":[101],"an":[102,117,145],"integer":[103],"linear":[104],"programming":[105],"(ILP)":[106],"problem.":[107,119],"decision":[109],"version":[110],"SSRR":[112],"is":[113,123,137,157],"proven":[114],"be":[116],"NP-complete":[118],"A":[120],"heuristic":[121],"algorithm":[122],"introduced":[124],"solve":[126],"for":[129],"large":[130],"where":[133],"ILP":[135],"not":[138],"tractable.":[139],"For":[140],"dynamic":[142],"traffic":[143,207],"scenario,":[144],"approach":[146],"that":[147,201],"suppresses":[148],"considering":[151],"exchanging":[155],"operations":[156,185],"presented.":[158],"evaluate":[160],"performances":[162],"by":[167],"comparing":[168],"it":[169],"conventional":[172,212],"terms":[175],"dependencies":[177],"on":[178],"node":[179],"degree,":[180],"processing":[181],"time":[182,188],"network":[184],"interval":[187],"between":[189],"scheduled":[190],"defragmentations.":[191],"numerical":[193],"results":[194],"obtained":[195],"from":[196],"performance":[198],"evaluation":[199],"indicate":[200],"increases":[205],"admissibility":[208],"compared":[209],"scheme.":[213]},"counts_by_year":[{"year":2020,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
