{"id":"https://openalex.org/W3016017978","doi":"https://doi.org/10.1109/cloudnet47604.2019.9064117","title":"Virtual Network Function Allocation to Maximize Continuous Available Time of Service Function Chains","display_name":"Virtual Network Function Allocation to Maximize Continuous Available Time of Service Function Chains","publication_year":2019,"publication_date":"2019-11-01","ids":{"openalex":"https://openalex.org/W3016017978","doi":"https://doi.org/10.1109/cloudnet47604.2019.9064117","mag":"3016017978"},"language":"en","primary_location":{"id":"doi:10.1109/cloudnet47604.2019.9064117","is_oa":false,"landing_page_url":"https://doi.org/10.1109/cloudnet47604.2019.9064117","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 IEEE 8th International Conference on Cloud Networking (CloudNet)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5046633345","display_name":"Rui Kang","orcid":"https://orcid.org/0000-0002-1564-8753"},"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"]},{"id":"https://openalex.org/I39012071","display_name":"Kyoto College of Graduate Studies for Informatics","ror":"https://ror.org/05mzj8a56","country_code":"JP","type":"education","lineage":["https://openalex.org/I39012071"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Rui Kang","raw_affiliation_strings":["Graduate School of Informatics, Kyoto University, Kyoto, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Informatics, Kyoto University, Kyoto, Japan","institution_ids":["https://openalex.org/I22299242","https://openalex.org/I39012071"]}]},{"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"]},{"id":"https://openalex.org/I39012071","display_name":"Kyoto College of Graduate Studies for Informatics","ror":"https://ror.org/05mzj8a56","country_code":"JP","type":"education","lineage":["https://openalex.org/I39012071"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Fujun He","raw_affiliation_strings":["Graduate School of Informatics, Kyoto University, Kyoto, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Informatics, Kyoto University, Kyoto, Japan","institution_ids":["https://openalex.org/I22299242","https://openalex.org/I39012071"]}]},{"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"]},{"id":"https://openalex.org/I39012071","display_name":"Kyoto College of Graduate Studies for Informatics","ror":"https://ror.org/05mzj8a56","country_code":"JP","type":"education","lineage":["https://openalex.org/I39012071"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Takehiro Sato","raw_affiliation_strings":["Graduate School of Informatics, Kyoto University, Kyoto, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Informatics, Kyoto University, Kyoto, Japan","institution_ids":["https://openalex.org/I22299242","https://openalex.org/I39012071"]}]},{"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"]},{"id":"https://openalex.org/I39012071","display_name":"Kyoto College of Graduate Studies for Informatics","ror":"https://ror.org/05mzj8a56","country_code":"JP","type":"education","lineage":["https://openalex.org/I39012071"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Eiji Oki","raw_affiliation_strings":["Graduate School of Informatics, Kyoto University, Kyoto, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Informatics, Kyoto University, Kyoto, Japan","institution_ids":["https://openalex.org/I22299242","https://openalex.org/I39012071"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.1632,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.88901146,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10714","display_name":"Software-Defined Networks and 5G","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10714","display_name":"Software-Defined Networks and 5G","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10138","display_name":"Network Traffic and Congestion Control","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10847","display_name":"Advanced Optical Network Technologies","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/computer-science","display_name":"Computer science","score":0.8017321825027466},{"id":"https://openalex.org/keywords/unavailability","display_name":"Unavailability","score":0.76026451587677},{"id":"https://openalex.org/keywords/schedule","display_name":"Schedule","score":0.6501399874687195},{"id":"https://openalex.org/keywords/virtual-network","display_name":"Virtual network","score":0.581675112247467},{"id":"https://openalex.org/keywords/node","display_name":"Node (physics)","score":0.5749590992927551},{"id":"https://openalex.org/keywords/integer-programming","display_name":"Integer programming","score":0.5438218712806702},{"id":"https://openalex.org/keywords/linear-programming","display_name":"Linear programming","score":0.5227477550506592},{"id":"https://openalex.org/keywords/service","display_name":"Service (business)","score":0.5037745833396912},{"id":"https://openalex.org/keywords/function","display_name":"Function (biology)","score":0.5008184909820557},{"id":"https://openalex.org/keywords/server","display_name":"Server","score":0.45382368564605713},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.44949907064437866},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.4170020520687103},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.39095738530158997},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.16926637291908264},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1021038293838501},{"id":"https://openalex.org/keywords/reliability-engineering","display_name":"Reliability engineering","score":0.08327856659889221}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8017321825027466},{"id":"https://openalex.org/C2780505938","wikidata":"https://www.wikidata.org/wiki/Q17093282","display_name":"Unavailability","level":2,"score":0.76026451587677},{"id":"https://openalex.org/C68387754","wikidata":"https://www.wikidata.org/wiki/Q7271585","display_name":"Schedule","level":2,"score":0.6501399874687195},{"id":"https://openalex.org/C2776874963","wikidata":"https://www.wikidata.org/wiki/Q4112081","display_name":"Virtual network","level":2,"score":0.581675112247467},{"id":"https://openalex.org/C62611344","wikidata":"https://www.wikidata.org/wiki/Q1062658","display_name":"Node (physics)","level":2,"score":0.5749590992927551},{"id":"https://openalex.org/C56086750","wikidata":"https://www.wikidata.org/wiki/Q6042592","display_name":"Integer programming","level":2,"score":0.5438218712806702},{"id":"https://openalex.org/C41045048","wikidata":"https://www.wikidata.org/wiki/Q202843","display_name":"Linear programming","level":2,"score":0.5227477550506592},{"id":"https://openalex.org/C2780378061","wikidata":"https://www.wikidata.org/wiki/Q25351891","display_name":"Service (business)","level":2,"score":0.5037745833396912},{"id":"https://openalex.org/C14036430","wikidata":"https://www.wikidata.org/wiki/Q3736076","display_name":"Function (biology)","level":2,"score":0.5008184909820557},{"id":"https://openalex.org/C93996380","wikidata":"https://www.wikidata.org/wiki/Q44127","display_name":"Server","level":2,"score":0.45382368564605713},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.44949907064437866},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.4170020520687103},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.39095738530158997},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.16926637291908264},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1021038293838501},{"id":"https://openalex.org/C200601418","wikidata":"https://www.wikidata.org/wiki/Q2193887","display_name":"Reliability engineering","level":1,"score":0.08327856659889221},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.0},{"id":"https://openalex.org/C136264566","wikidata":"https://www.wikidata.org/wiki/Q159810","display_name":"Economy","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/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","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/C78458016","wikidata":"https://www.wikidata.org/wiki/Q840400","display_name":"Evolutionary biology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/cloudnet47604.2019.9064117","is_oa":false,"landing_page_url":"https://doi.org/10.1109/cloudnet47604.2019.9064117","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 IEEE 8th International Conference on Cloud Networking (CloudNet)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W1606574190","https://openalex.org/W2035782371","https://openalex.org/W2036495927","https://openalex.org/W2082931591","https://openalex.org/W2142224489","https://openalex.org/W2165991108","https://openalex.org/W2289096564","https://openalex.org/W2481890694","https://openalex.org/W2500898769","https://openalex.org/W2547270753","https://openalex.org/W2612558585","https://openalex.org/W2613616588","https://openalex.org/W2891148312","https://openalex.org/W2897748361","https://openalex.org/W2911389110","https://openalex.org/W2943422123","https://openalex.org/W2946282185","https://openalex.org/W6636316586"],"related_works":["https://openalex.org/W4237235066","https://openalex.org/W2026539069","https://openalex.org/W207884067","https://openalex.org/W4285278887","https://openalex.org/W2365237642","https://openalex.org/W2995925505","https://openalex.org/W4310614645","https://openalex.org/W2773399470","https://openalex.org/W3116484972","https://openalex.org/W2941986668"],"abstract_inverted_index":{"This":[0],"paper":[1],"proposes":[2],"an":[3,95],"optimization":[4],"model":[5,36,57,93,124],"to":[6,20,41],"derive":[7],"a":[8,32,63],"virtual":[9],"network":[10,71,81],"function":[11,28],"(VNF)":[12],"allocation":[13,61],"for":[14],"time":[15,25,66,87,112,129],"slots":[16,67,113],"in":[17,31,62,114],"sequence":[18],"aiming":[19],"maximize":[21],"the":[22,42,47,55,59,70,91,101,105,122,126],"continuous":[23,110,127],"available":[24,84,111,128],"of":[26,44,49,65,103,108,130],"service":[27,38],"chains":[29],"(SFCs)":[30],"network.":[33],"The":[34,117],"proposed":[35,56,92,123],"suppresses":[37],"interruptions":[39],"due":[40],"unavailability":[43],"nodes":[45],"and":[46],"reallocation":[48],"VNFs.":[50],"Compared":[51],"with":[52,100,133],"conventional":[53],"models,":[54],"computes":[58],"VNF":[60],"series":[64],"based":[68],"on":[69,78],"node":[72,82],"availability":[73],"schedule,":[74],"which":[75],"provides":[76],"information":[77],"whether":[79],"each":[80,86,115],"is":[83],"at":[85],"slot.":[88],"We":[89],"formulate":[90],"as":[94],"integer":[96],"linear":[97],"programming":[98],"problem":[99],"goal":[102],"maximizing":[104],"minimum":[106],"number":[107],"longest":[109],"SFC.":[116],"numerical":[118],"results":[119],"show":[120],"that":[121],"improves":[125],"SFCs":[131],"compared":[132],"existing":[134],"models.":[135]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":3}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}