{"id":"https://openalex.org/W2599200025","doi":"https://doi.org/10.1109/access.2017.2685437","title":"Migration Energy Aware Reconfigurations of Virtual Network Function Instances in NFV Architectures","display_name":"Migration Energy Aware Reconfigurations of Virtual Network Function Instances in NFV Architectures","publication_year":2017,"publication_date":"2017-01-01","ids":{"openalex":"https://openalex.org/W2599200025","doi":"https://doi.org/10.1109/access.2017.2685437","mag":"2599200025"},"language":"en","primary_location":{"id":"doi:10.1109/access.2017.2685437","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2017.2685437","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1109/access.2017.2685437","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5067509274","display_name":"Vincenzo Eramo","orcid":"https://orcid.org/0000-0001-8480-8418"},"institutions":[{"id":"https://openalex.org/I861853513","display_name":"Sapienza University of Rome","ror":"https://ror.org/02be6w209","country_code":"IT","type":"education","lineage":["https://openalex.org/I861853513"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Vincenzo Eramo","raw_affiliation_strings":["DIET, Sapienza University of Rome, Rome, Italy"],"raw_orcid":"https://orcid.org/0000-0001-8480-8418","affiliations":[{"raw_affiliation_string":"DIET, Sapienza University of Rome, Rome, Italy","institution_ids":["https://openalex.org/I861853513"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5011035030","display_name":"Mostafa Ammar","orcid":"https://orcid.org/0000-0003-2803-300X"},"institutions":[{"id":"https://openalex.org/I130701444","display_name":"Georgia Institute of Technology","ror":"https://ror.org/01zkghx44","country_code":"US","type":"education","lineage":["https://openalex.org/I130701444"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Mostafa Ammar","raw_affiliation_strings":["College of Computing, Georgia Institute of Technology, Atlanta, GA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Computing, Georgia Institute of Technology, Atlanta, GA, USA","institution_ids":["https://openalex.org/I130701444"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5015641386","display_name":"Francesco G. Lavacca","orcid":"https://orcid.org/0000-0002-9565-8432"},"institutions":[{"id":"https://openalex.org/I861853513","display_name":"Sapienza University of Rome","ror":"https://ror.org/02be6w209","country_code":"IT","type":"education","lineage":["https://openalex.org/I861853513"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Francesco Giacinto Lavacca","raw_affiliation_strings":["DIET, Sapienza University of Rome, Rome, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"DIET, Sapienza University of Rome, Rome, Italy","institution_ids":["https://openalex.org/I861853513"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":11.3593,"has_fulltext":true,"cited_by_count":104,"citation_normalized_percentile":{"value":0.98697466,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":100},"biblio":{"volume":"5","issue":null,"first_page":"4927","last_page":"4938"},"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/T10101","display_name":"Cloud Computing and Resource Management","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/T11478","display_name":"Caching and Content Delivery","score":0.9993000030517578,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8286010026931763},{"id":"https://openalex.org/keywords/virtual-network","display_name":"Virtual network","score":0.7012849450111389},{"id":"https://openalex.org/keywords/energy-consumption","display_name":"Energy consumption","score":0.655434250831604},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.6149702072143555},{"id":"https://openalex.org/keywords/server","display_name":"Server","score":0.6013633608818054},{"id":"https://openalex.org/keywords/live-migration","display_name":"Live migration","score":0.5768795013427734},{"id":"https://openalex.org/keywords/virtual-machine","display_name":"Virtual machine","score":0.4815242886543274},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.4529728293418884},{"id":"https://openalex.org/keywords/heuristic","display_name":"Heuristic","score":0.45022130012512207},{"id":"https://openalex.org/keywords/software-defined-networking","display_name":"Software-defined networking","score":0.4234203100204468},{"id":"https://openalex.org/keywords/virtualization","display_name":"Virtualization","score":0.4072537422180176},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.22384843230247498},{"id":"https://openalex.org/keywords/cloud-computing","display_name":"Cloud computing","score":0.1063825786113739}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8286010026931763},{"id":"https://openalex.org/C2776874963","wikidata":"https://www.wikidata.org/wiki/Q4112081","display_name":"Virtual network","level":2,"score":0.7012849450111389},{"id":"https://openalex.org/C2780165032","wikidata":"https://www.wikidata.org/wiki/Q16869822","display_name":"Energy consumption","level":2,"score":0.655434250831604},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.6149702072143555},{"id":"https://openalex.org/C93996380","wikidata":"https://www.wikidata.org/wiki/Q44127","display_name":"Server","level":2,"score":0.6013633608818054},{"id":"https://openalex.org/C2778710394","wikidata":"https://www.wikidata.org/wiki/Q4179813","display_name":"Live migration","level":4,"score":0.5768795013427734},{"id":"https://openalex.org/C25344961","wikidata":"https://www.wikidata.org/wiki/Q192726","display_name":"Virtual machine","level":2,"score":0.4815242886543274},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.4529728293418884},{"id":"https://openalex.org/C173801870","wikidata":"https://www.wikidata.org/wiki/Q201413","display_name":"Heuristic","level":2,"score":0.45022130012512207},{"id":"https://openalex.org/C77270119","wikidata":"https://www.wikidata.org/wiki/Q1655198","display_name":"Software-defined networking","level":2,"score":0.4234203100204468},{"id":"https://openalex.org/C513985346","wikidata":"https://www.wikidata.org/wiki/Q270471","display_name":"Virtualization","level":3,"score":0.4072537422180176},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.22384843230247498},{"id":"https://openalex.org/C79974875","wikidata":"https://www.wikidata.org/wiki/Q483639","display_name":"Cloud computing","level":2,"score":0.1063825786113739},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","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}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/access.2017.2685437","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2017.2685437","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},{"id":"pmh:oai:iris.uniroma1.it:11573/951676","is_oa":true,"landing_page_url":"http://ieeexplore.ieee.org/document/7883907/","pdf_url":"http://hdl.handle.net/11573/951676","source":{"id":"https://openalex.org/S4377196107","display_name":"IRIS Research product catalog (Sapienza University of Rome)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:doaj.org/article:545f401f00514f8c9127174c92240d64","is_oa":true,"landing_page_url":"https://doaj.org/article/545f401f00514f8c9127174c92240d64","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 5, Pp 4927-4938 (2017)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2017.2685437","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2017.2685437","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.8600000143051147,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":28,"referenced_works":["https://openalex.org/W166284719","https://openalex.org/W1522261900","https://openalex.org/W1966516841","https://openalex.org/W1986085123","https://openalex.org/W2013944848","https://openalex.org/W2025787252","https://openalex.org/W2043352445","https://openalex.org/W2068686832","https://openalex.org/W2075825379","https://openalex.org/W2108187650","https://openalex.org/W2118443685","https://openalex.org/W2132238781","https://openalex.org/W2157016369","https://openalex.org/W2168024904","https://openalex.org/W2168936382","https://openalex.org/W2260783129","https://openalex.org/W2289096564","https://openalex.org/W2343145155","https://openalex.org/W2374516805","https://openalex.org/W2512930644","https://openalex.org/W2555140518","https://openalex.org/W2591732478","https://openalex.org/W2751767099","https://openalex.org/W2949773717","https://openalex.org/W4238465620","https://openalex.org/W6606618255","https://openalex.org/W6684620542","https://openalex.org/W6725211936"],"related_works":["https://openalex.org/W1549982987","https://openalex.org/W1907588937","https://openalex.org/W2088620127","https://openalex.org/W2793500743","https://openalex.org/W2159337754","https://openalex.org/W3046505149","https://openalex.org/W1647981072","https://openalex.org/W4289372163","https://openalex.org/W2947629119","https://openalex.org/W1963799338"],"abstract_inverted_index":{"Network":[0],"function":[1,48],"virtualization":[2],"(NFV)":[3],"is":[4,43,52,183,213,284],"a":[5,18,46,53,62,162,217,248,279],"new":[6],"network":[7,12],"architecture":[8],"framework":[9],"that":[10,51,76,165,211],"implements":[11],"functions":[13],"in":[14,36,95,149,173,281],"software":[15,78],"running":[16,66],"on":[17,81,146,220,271],"pool":[19],"of":[20,55,67,72,91,125,194,250,274],"shared":[21],"commodity":[22],"servers.":[23],"NFV":[24],"can":[25,269],"provide":[26],"the":[27,70,88,92,96,111,123,129,135,139,186,192,195,202,221,227,238,243,251,263,272],"infrastructure":[28],"flexibility":[29],"and":[30,104,155,168,197,208,254],"agility":[31],"needed":[32,94,132],"to":[33,57,61,100,106,138,141,170,175,177,184,225,262,278],"successfully":[34],"compete":[35],"today's":[37],"evolving":[38],"communications":[39],"landscape.":[40],"Any":[41],"service":[42,47,126],"represented":[44],"by":[45,191,237],"chain":[49],"(SFC)":[50],"set":[54],"VNFs":[56,68],"be":[58,142,270],"executed":[59,80],"according":[60],"given":[63,190],"order.":[64],"The":[65,181,234,266],"needs":[69],"instantiation":[71],"VNF":[73],"instances":[74],"(VNFIs)":[75],"are":[77,153],"modules":[79],"virtual":[82,151],"machines.":[83],"This":[84],"paper":[85],"deals":[86],"with":[87,230,260,276],"migration":[89,148,163,198,206,228,252,283],"problem":[90,207],"VNFIs":[93],"low":[97,231],"traffic":[98],"periods":[99],"turn":[101],"OFF":[102],"servers":[103],"consequently":[105,255],"save":[107],"energy":[108,115,130,188,203,253,258,267],"consumption.":[109],"Though":[110],"consolidation":[112,196],"allows":[113,246],"for":[114,133,247],"saving,":[116],"it":[117,212],"has":[118],"also":[119],"negative":[120],"effects":[121],"as":[122],"quality":[124],"degradation":[127],"or":[128],"consumption":[131,189,259],"moving":[134],"memories":[136],"associated":[137],"VNFI":[140,172,205],"migrated.":[143],"We":[144,160,200],"focus":[145],"cold":[147],"which":[150,282],"machines":[152],"redundant":[154],"suspended":[156],"before":[157],"performing":[158],"migration.":[159],"propose":[161,216],"policy":[164,229,245,280],"determines":[166],"when":[167],"where":[169],"migrate":[171],"response":[174],"changes":[176],"SFC":[178],"request":[179],"intensity.":[180],"objective":[182],"minimize":[185],"total":[187,257],"sum":[193],"energies.":[199],"formulate":[201],"aware":[204],"after":[209],"proving":[210],"NP-hard,":[214],"we":[215],"heuristic":[218,240],"based":[219],"Viterbi":[222],"algorithm":[223],"able":[224],"determine":[226],"computational":[232],"complexity.":[233],"results":[235],"obtained":[236],"proposed":[239],"show":[241],"how":[242],"introduced":[244],"reduction":[249],"lower":[256],"respect":[261,277],"traditional":[264],"policies.":[265],"saving":[268],"order":[273],"40%":[275],"not":[285],"performed.":[286]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":7},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":11},{"year":2021,"cited_by_count":21},{"year":2020,"cited_by_count":12},{"year":2019,"cited_by_count":22},{"year":2018,"cited_by_count":18},{"year":2017,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
