{"id":"https://openalex.org/W4413679880","doi":"https://doi.org/10.23919/wiopt66569.2025.11123231","title":"A Mixed-Integer Linear Programming Approach for Congestion-Aware Optimized NFV Deployment","display_name":"A Mixed-Integer Linear Programming Approach for Congestion-Aware Optimized NFV Deployment","publication_year":2025,"publication_date":"2025-05-26","ids":{"openalex":"https://openalex.org/W4413679880","doi":"https://doi.org/10.23919/wiopt66569.2025.11123231"},"language":"en","primary_location":{"id":"doi:10.23919/wiopt66569.2025.11123231","is_oa":false,"landing_page_url":"https://doi.org/10.23919/wiopt66569.2025.11123231","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 23rd International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks (WiOpt)","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://ieeexplore.ieee.org/document/11123231","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5061718848","display_name":"Mohammad Ali Raayatpanah","orcid":"https://orcid.org/0000-0002-3303-0981"},"institutions":[{"id":"https://openalex.org/I181744264","display_name":"Kharazmi University","ror":"https://ror.org/05hsgex59","country_code":"IR","type":"education","lineage":["https://openalex.org/I181744264"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Mohammad Ali Raayatpanah","raw_affiliation_strings":["Kharazmi University,Mathematical Sciences and Computer,Tehran,Iran"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Kharazmi University,Mathematical Sciences and Computer,Tehran,Iran","institution_ids":["https://openalex.org/I181744264"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010827013","display_name":"Thomas Weise","orcid":"https://orcid.org/0000-0002-9687-8509"},"institutions":[{"id":"https://openalex.org/I39774598","display_name":"Hefei University","ror":"https://ror.org/01f5rdf64","country_code":"CN","type":"education","lineage":["https://openalex.org/I39774598"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Thomas Weise","raw_affiliation_strings":["Institute of Applied Optimization, School of Artificial Intelligence and Big Data, Hefei University,Hefei,Anhui,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Applied Optimization, School of Artificial Intelligence and Big Data, Hefei University,Hefei,Anhui,China","institution_ids":["https://openalex.org/I39774598"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101602858","display_name":"Jocelyne Elias","orcid":"https://orcid.org/0000-0003-2176-3480"},"institutions":[{"id":"https://openalex.org/I9360294","display_name":"University of Bologna","ror":"https://ror.org/01111rn36","country_code":"IT","type":"education","lineage":["https://openalex.org/I9360294"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Jocelyne Elias","raw_affiliation_strings":["University of Bologna,Department of Computer Science and Engineering,Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Bologna,Department of Computer Science and Engineering,Italy","institution_ids":["https://openalex.org/I9360294"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5061839380","display_name":"Fabio Martignon","orcid":"https://orcid.org/0000-0003-2691-9827"},"institutions":[{"id":"https://openalex.org/I11039511","display_name":"University of Bergamo","ror":"https://ror.org/02mbd5571","country_code":"IT","type":"education","lineage":["https://openalex.org/I11039511"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Fabio Martignon","raw_affiliation_strings":["University of Bergamo,Department of Management, Information and Production Engineering,Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Bergamo,Department of Management, Information and Production Engineering,Italy","institution_ids":["https://openalex.org/I11039511"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5023564578","display_name":"Andrea Pimpinella","orcid":"https://orcid.org/0000-0003-2846-2795"},"institutions":[{"id":"https://openalex.org/I11039511","display_name":"University of Bergamo","ror":"https://ror.org/02mbd5571","country_code":"IT","type":"education","lineage":["https://openalex.org/I11039511"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Andrea Pimpinella","raw_affiliation_strings":["University of Bergamo,Department of Management, Information and Production Engineering,Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Bergamo,Department of Management, Information and Production Engineering,Italy","institution_ids":["https://openalex.org/I11039511"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"8"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10551","display_name":"Scheduling and Optimization Algorithms","score":0.757099986076355,"subfield":{"id":"https://openalex.org/subfields/2209","display_name":"Industrial and Manufacturing 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/T10551","display_name":"Scheduling and Optimization Algorithms","score":0.757099986076355,"subfield":{"id":"https://openalex.org/subfields/2209","display_name":"Industrial and Manufacturing 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/T10714","display_name":"Software-Defined Networks and 5G","score":0.7541000247001648,"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":0.6496000289916992,"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/integer-programming","display_name":"Integer programming","score":0.8273921012878418},{"id":"https://openalex.org/keywords/software-deployment","display_name":"Software deployment","score":0.7882276177406311},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7139943838119507},{"id":"https://openalex.org/keywords/linear-programming","display_name":"Linear programming","score":0.6049996018409729},{"id":"https://openalex.org/keywords/integer","display_name":"Integer (computer science)","score":0.4660566747188568},{"id":"https://openalex.org/keywords/network-functions-virtualization","display_name":"Network Functions Virtualization","score":0.45001617074012756},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.33648136258125305},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.3323594927787781},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.207386314868927},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.16786298155784607},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.13981035351753235},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.08603492379188538},{"id":"https://openalex.org/keywords/cloud-computing","display_name":"Cloud computing","score":0.05161038041114807}],"concepts":[{"id":"https://openalex.org/C56086750","wikidata":"https://www.wikidata.org/wiki/Q6042592","display_name":"Integer programming","level":2,"score":0.8273921012878418},{"id":"https://openalex.org/C105339364","wikidata":"https://www.wikidata.org/wiki/Q2297740","display_name":"Software deployment","level":2,"score":0.7882276177406311},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7139943838119507},{"id":"https://openalex.org/C41045048","wikidata":"https://www.wikidata.org/wiki/Q202843","display_name":"Linear programming","level":2,"score":0.6049996018409729},{"id":"https://openalex.org/C97137487","wikidata":"https://www.wikidata.org/wiki/Q729138","display_name":"Integer (computer science)","level":2,"score":0.4660566747188568},{"id":"https://openalex.org/C200789330","wikidata":"https://www.wikidata.org/wiki/Q7000834","display_name":"Network Functions Virtualization","level":3,"score":0.45001617074012756},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.33648136258125305},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3323594927787781},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.207386314868927},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.16786298155784607},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.13981035351753235},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.08603492379188538},{"id":"https://openalex.org/C79974875","wikidata":"https://www.wikidata.org/wiki/Q483639","display_name":"Cloud computing","level":2,"score":0.05161038041114807}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.23919/wiopt66569.2025.11123231","is_oa":false,"landing_page_url":"https://doi.org/10.23919/wiopt66569.2025.11123231","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 23rd International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks (WiOpt)","raw_type":"proceedings-article"},{"id":"pmh:oai:aisberg.unibg.it:10446/309006","is_oa":false,"landing_page_url":"https://hdl.handle.net/10446/309006","pdf_url":null,"source":{"id":"https://openalex.org/S4377196347","display_name":"Aisberg (University of Bergamo)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I11039511","host_organization_name":"University of Bergamo","host_organization_lineage":["https://openalex.org/I11039511"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/conferenceObject"},{"id":"pmh:oai:cris.unibo.it:11585/1029974","is_oa":true,"landing_page_url":"https://ieeexplore.ieee.org/document/11123231","pdf_url":null,"source":{"id":"https://openalex.org/S4306402579","display_name":"Archivio istituzionale della ricerca (Alma Mater Studiorum Universit\u00e0 di Bologna)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210117483","host_organization_name":"Istituto di Ematologia di Bologna","host_organization_lineage":["https://openalex.org/I4210117483"],"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/conferenceObject"}],"best_oa_location":{"id":"pmh:oai:cris.unibo.it:11585/1029974","is_oa":true,"landing_page_url":"https://ieeexplore.ieee.org/document/11123231","pdf_url":null,"source":{"id":"https://openalex.org/S4306402579","display_name":"Archivio istituzionale della ricerca (Alma Mater Studiorum Universit\u00e0 di Bologna)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210117483","host_organization_name":"Istituto di Ematologia di Bologna","host_organization_lineage":["https://openalex.org/I4210117483"],"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/conferenceObject"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2770234245","https://openalex.org/W2047683846","https://openalex.org/W2044902158","https://openalex.org/W2109912052","https://openalex.org/W1711527768","https://openalex.org/W4285278887","https://openalex.org/W2365237642","https://openalex.org/W2995925505","https://openalex.org/W2773399470","https://openalex.org/W3116484972"],"abstract_inverted_index":{"This":[0],"paper":[1],"introduces":[2],"a":[3,31,68,111,119,123],"novel":[4],"optimization":[5],"framework":[6,141],"for":[7],"Network":[8],"Functions":[9],"Virtualization":[10],"(NFV)":[11],"that":[12,139],"addresses":[13],"the":[14,48,52,63,88,92,108],"efficient":[15,96],"implementation":[16],"of":[17,91],"end-to-end":[18,58],"service":[19,59],"requests":[20],"in":[21,40],"physical":[22],"networks.":[23],"Our":[24],"approach":[25,55],"characterizes":[26],"each":[27],"server":[28],"node":[29],"by":[30],"reliability":[32,49],"function":[33],"reflecting":[34],"its":[35],"computational":[36],"load,":[37],"which":[38],"aids":[39],"balancing":[41],"workloads":[42],"and":[43,80,99,144],"mitigating":[44],"congestion.":[45],"By":[46],"optimizing":[47],"metrics":[50],"along":[51],"route,":[53],"our":[54,140],"ensures":[56],"robust":[57],"quality.":[60],"We":[61],"formulate":[62],"NFV":[64],"deployment":[65,79],"problem":[66],"as":[67],"non-convex":[69],"mixed-integer":[70,113],"non-linear":[71],"programming":[72,115],"(MINLP)":[73],"model":[74],"aimed":[75],"at":[76],"minimizing":[77],"both":[78],"operational":[81],"costs":[82],"while":[83],"maximizing":[84],"resource":[85],"utilization.":[86],"Given":[87],"NP-hard":[89],"nature":[90],"problem,":[93],"we":[94],"develop":[95],"linearization":[97],"techniques":[98],"bounding":[100],"schemes,":[101],"using":[102],"also":[103],"dynamic":[104],"programming,":[105],"to":[106,128,148],"convert":[107],"formulation":[109],"into":[110],"tractable":[112],"linear":[114],"(MILP)":[116],"model.":[117],"Additionally,":[118],"cutting-plane-based":[120],"heuristic":[121],"with":[122],"warm-start":[124],"strategy":[125],"is":[126],"proposed":[127],"further":[129],"accelerate":[130],"convergence.":[131],"Experimental":[132],"evaluations":[133],"on":[134],"real-world":[135],"network":[136],"topologies":[137],"demonstrate":[138],"offers":[142],"scalable":[143],"cost-effective":[145],"solutions":[146],"compared":[147],"existing":[149],"approaches.":[150]},"counts_by_year":[],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}