{"id":"https://openalex.org/W2896858752","doi":"https://doi.org/10.1109/tnsm.2018.2876064","title":"SDN Controller Placement With Delay-Overhead Balancing in Wireless Edge Networks","display_name":"SDN Controller Placement With Delay-Overhead Balancing in Wireless Edge Networks","publication_year":2018,"publication_date":"2018-10-16","ids":{"openalex":"https://openalex.org/W2896858752","doi":"https://doi.org/10.1109/tnsm.2018.2876064","mag":"2896858752"},"language":"en","primary_location":{"id":"doi:10.1109/tnsm.2018.2876064","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tnsm.2018.2876064","pdf_url":null,"source":{"id":"https://openalex.org/S173527311","display_name":"IEEE Transactions on Network and Service Management","issn_l":"1932-4537","issn":["1932-4537","2373-7379"],"is_oa":false,"is_in_doaj":false,"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 Transactions on Network and Service Management","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/A5003936652","display_name":"Qiaofeng Qin","orcid":"https://orcid.org/0000-0002-8848-5916"},"institutions":[{"id":"https://openalex.org/I32971472","display_name":"Yale University","ror":"https://ror.org/03v76x132","country_code":"US","type":"education","lineage":["https://openalex.org/I32971472"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Qiaofeng Qin","raw_affiliation_strings":["Department of Electrical Engineering, Institute for Network Science, Yale University, New Haven, CT, USA"],"raw_orcid":"https://orcid.org/0000-0002-8848-5916","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Institute for Network Science, Yale University, New Haven, CT, USA","institution_ids":["https://openalex.org/I32971472"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5046120615","display_name":"Konstantinos Poularakis","orcid":"https://orcid.org/0000-0003-2570-3813"},"institutions":[{"id":"https://openalex.org/I32971472","display_name":"Yale University","ror":"https://ror.org/03v76x132","country_code":"US","type":"education","lineage":["https://openalex.org/I32971472"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Konstantinos Poularakis","raw_affiliation_strings":["Department of Electrical Engineering, Institute for Network Science, Yale University, New Haven, CT, USA"],"raw_orcid":"https://orcid.org/0000-0003-2570-3813","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Institute for Network Science, Yale University, New Haven, CT, USA","institution_ids":["https://openalex.org/I32971472"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044138533","display_name":"George Iosifidis","orcid":"https://orcid.org/0000-0003-1001-2323"},"institutions":[{"id":"https://openalex.org/I205274468","display_name":"Trinity College Dublin","ror":"https://ror.org/02tyrky19","country_code":"IE","type":"education","lineage":["https://openalex.org/I205274468"]}],"countries":["IE"],"is_corresponding":false,"raw_author_name":"George Iosifidis","raw_affiliation_strings":["School of Computer Science and Statistics, Trinity College Dublin, University of Dublin, Dublin 2, Ireland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Computer Science and Statistics, Trinity College Dublin, University of Dublin, Dublin 2, Ireland","institution_ids":["https://openalex.org/I205274468"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007158362","display_name":"Sastry Kompella","orcid":"https://orcid.org/0000-0001-7696-6213"},"institutions":[{"id":"https://openalex.org/I1288214837","display_name":"United States Naval Research Laboratory","ror":"https://ror.org/04d23a975","country_code":"US","type":"facility","lineage":["https://openalex.org/I1288214837","https://openalex.org/I1330347796","https://openalex.org/I175003984","https://openalex.org/I3130687028"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Sastry Kompella","raw_affiliation_strings":["Information Technology Division, U.S. Naval Research Laboratory, Washington, DC, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Information Technology Division, U.S. Naval Research Laboratory, Washington, DC, USA","institution_ids":["https://openalex.org/I1288214837"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5014892027","display_name":"Leandros Tassiulas","orcid":"https://orcid.org/0000-0003-0932-774X"},"institutions":[{"id":"https://openalex.org/I32971472","display_name":"Yale University","ror":"https://ror.org/03v76x132","country_code":"US","type":"education","lineage":["https://openalex.org/I32971472"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Leandros Tassiulas","raw_affiliation_strings":["Department of Electrical Engineering, Institute for Network Science, Yale University, New Haven, CT, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Institute for Network Science, Yale University, New Haven, CT, USA","institution_ids":["https://openalex.org/I32971472"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":5.3073,"has_fulltext":false,"cited_by_count":51,"citation_normalized_percentile":{"value":0.96029364,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":99},"biblio":{"volume":"15","issue":"4","first_page":"1446","last_page":"1459"},"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/T11158","display_name":"Wireless Networks and Protocols","score":0.9922999739646912,"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":0.9916999936103821,"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":0.8262388706207275},{"id":"https://openalex.org/keywords/controller","display_name":"Controller (irrigation)","score":0.6375600695610046},{"id":"https://openalex.org/keywords/enhanced-data-rates-for-gsm-evolution","display_name":"Enhanced Data Rates for GSM Evolution","score":0.6085286140441895},{"id":"https://openalex.org/keywords/forwarding-plane","display_name":"Forwarding plane","score":0.5865709781646729},{"id":"https://openalex.org/keywords/software-defined-networking","display_name":"Software-defined networking","score":0.5323790907859802},{"id":"https://openalex.org/keywords/linearization","display_name":"Linearization","score":0.5176215767860413},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.5035974383354187},{"id":"https://openalex.org/keywords/reliability","display_name":"Reliability (semiconductor)","score":0.4840514063835144},{"id":"https://openalex.org/keywords/node","display_name":"Node (physics)","score":0.4585869014263153},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.4537808895111084},{"id":"https://openalex.org/keywords/edge-device","display_name":"Edge device","score":0.44328737258911133},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.34701117873191833},{"id":"https://openalex.org/keywords/network-packet","display_name":"Network packet","score":0.10362550616264343},{"id":"https://openalex.org/keywords/cloud-computing","display_name":"Cloud computing","score":0.08678138256072998},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.07517251372337341}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8262388706207275},{"id":"https://openalex.org/C203479927","wikidata":"https://www.wikidata.org/wiki/Q5165939","display_name":"Controller (irrigation)","level":2,"score":0.6375600695610046},{"id":"https://openalex.org/C162307627","wikidata":"https://www.wikidata.org/wiki/Q204833","display_name":"Enhanced Data Rates for GSM Evolution","level":2,"score":0.6085286140441895},{"id":"https://openalex.org/C10597312","wikidata":"https://www.wikidata.org/wiki/Q5473302","display_name":"Forwarding plane","level":3,"score":0.5865709781646729},{"id":"https://openalex.org/C77270119","wikidata":"https://www.wikidata.org/wiki/Q1655198","display_name":"Software-defined networking","level":2,"score":0.5323790907859802},{"id":"https://openalex.org/C11210021","wikidata":"https://www.wikidata.org/wiki/Q1520713","display_name":"Linearization","level":3,"score":0.5176215767860413},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.5035974383354187},{"id":"https://openalex.org/C43214815","wikidata":"https://www.wikidata.org/wiki/Q7310987","display_name":"Reliability (semiconductor)","level":3,"score":0.4840514063835144},{"id":"https://openalex.org/C62611344","wikidata":"https://www.wikidata.org/wiki/Q1062658","display_name":"Node (physics)","level":2,"score":0.4585869014263153},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.4537808895111084},{"id":"https://openalex.org/C138236772","wikidata":"https://www.wikidata.org/wiki/Q25098575","display_name":"Edge device","level":3,"score":0.44328737258911133},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.34701117873191833},{"id":"https://openalex.org/C158379750","wikidata":"https://www.wikidata.org/wiki/Q214111","display_name":"Network packet","level":2,"score":0.10362550616264343},{"id":"https://openalex.org/C79974875","wikidata":"https://www.wikidata.org/wiki/Q483639","display_name":"Cloud computing","level":2,"score":0.08678138256072998},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.07517251372337341},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"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/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C158622935","wikidata":"https://www.wikidata.org/wiki/Q660848","display_name":"Nonlinear system","level":2,"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/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tnsm.2018.2876064","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tnsm.2018.2876064","pdf_url":null,"source":{"id":"https://openalex.org/S173527311","display_name":"IEEE Transactions on Network and Service Management","issn_l":"1932-4537","issn":["1932-4537","2373-7379"],"is_oa":false,"is_in_doaj":false,"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 Transactions on Network and Service Management","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/9","score":0.5400000214576721,"display_name":"Industry, innovation and infrastructure"}],"awards":[{"id":"https://openalex.org/G3056544016","display_name":null,"funder_award_id":"W911NF-16-3-0001","funder_id":"https://openalex.org/F4320338295","funder_display_name":"Army Research Laboratory"},{"id":"https://openalex.org/G4746124423","display_name":null,"funder_award_id":"N00014-14-1-2190","funder_id":"https://openalex.org/F4320337345","funder_display_name":"Office of Naval Research"},{"id":"https://openalex.org/G6474797571","display_name":"SoftEdge: Architectures and Algorithms for Software-Defined Edge Systems","funder_award_id":"17/CDA/4760","funder_id":"https://openalex.org/F4320320847","funder_display_name":"Science Foundation Ireland"}],"funders":[{"id":"https://openalex.org/F4320320847","display_name":"Science Foundation Ireland","ror":"https://ror.org/0271asj38"},{"id":"https://openalex.org/F4320337345","display_name":"Office of Naval Research","ror":"https://ror.org/00rk2pe57"},{"id":"https://openalex.org/F4320338295","display_name":"Army Research Laboratory","ror":"https://ror.org/011hc8f90"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":47,"referenced_works":["https://openalex.org/W1529620455","https://openalex.org/W1542515633","https://openalex.org/W1542719709","https://openalex.org/W1788288079","https://openalex.org/W1977482809","https://openalex.org/W2003207175","https://openalex.org/W2008389133","https://openalex.org/W2013958607","https://openalex.org/W2017158367","https://openalex.org/W2018237837","https://openalex.org/W2030375943","https://openalex.org/W2034884600","https://openalex.org/W2053381548","https://openalex.org/W2076469583","https://openalex.org/W2086266870","https://openalex.org/W2107944181","https://openalex.org/W2123347367","https://openalex.org/W2136451165","https://openalex.org/W2136835942","https://openalex.org/W2139841919","https://openalex.org/W2144027211","https://openalex.org/W2156580773","https://openalex.org/W2157316274","https://openalex.org/W2158557760","https://openalex.org/W2177090493","https://openalex.org/W2242747237","https://openalex.org/W2416140524","https://openalex.org/W2416799949","https://openalex.org/W2480271867","https://openalex.org/W2481312167","https://openalex.org/W2560640725","https://openalex.org/W2561865381","https://openalex.org/W2569929970","https://openalex.org/W2613565282","https://openalex.org/W2754733581","https://openalex.org/W2761021290","https://openalex.org/W2762996366","https://openalex.org/W2790421859","https://openalex.org/W2791158639","https://openalex.org/W2949112927","https://openalex.org/W2963244068","https://openalex.org/W2963512959","https://openalex.org/W3148765228","https://openalex.org/W6631559111","https://openalex.org/W6682343373","https://openalex.org/W6682904396","https://openalex.org/W6690564312"],"related_works":["https://openalex.org/W4214777079","https://openalex.org/W2051935741","https://openalex.org/W3122360749","https://openalex.org/W2547441564","https://openalex.org/W4377224402","https://openalex.org/W4243609393","https://openalex.org/W4211055425","https://openalex.org/W2926903444","https://openalex.org/W2130026698","https://openalex.org/W2292300552"],"abstract_inverted_index":{"Fog":[0],"architectures":[1,42],"at":[2,25],"the":[3,21,26,37,66,78,99,104,109,118,122,126,131,158],"network":[4,27,76],"edge":[5,88,132],"are":[6],"becoming":[7],"a":[8,82,86],"popular":[9],"research":[10],"trend":[11],"to":[12,18,31,47,58,103,147],"provide":[13,81],"elastic":[14],"resources":[15],"and":[16,45,73,90,94,108,113,136,149,163],"services":[17],"end-users,":[19],"where":[20],"processing":[22],"capacity":[23],"resides":[24],"periphery":[28],"as":[29],"opposed":[30],"traditional":[32],"data-centers.":[33],"Despite":[34],"their":[35],"momentum,":[36],"control":[38,51,67],"plane":[39,71],"of":[40,85,101,106,111,124,128],"these":[41],"remains":[43],"complex":[44],"challenging":[46],"implement.":[48],"To":[49],"enhance":[50],"capability,":[52],"in":[53,130],"this":[54],"paper,":[55],"we":[56,120,140,156],"propose":[57],"use":[59],"software":[60],"defined":[61],"networking":[62],"(SDN).":[63],"SDN":[64],"moves":[65],"logic":[68],"off":[69],"data":[70],"devices":[72],"onto":[74],"external":[75],"entities,":[77],"controllers.":[79],"We":[80],"proof-of-concept":[83],"implementation":[84],"multi-controller":[87],"system":[89],"measure":[91],"traffic":[92],"delay":[93,102],"overheads.":[95,115],"The":[96],"results":[97],"reveal":[98],"sensitivity":[100],"location":[105],"controllers":[107,129],"magnitude":[110],"inter-controller":[112],"controller-node":[114],"Guided":[116],"by":[117],"above,":[119],"model":[121],"problem":[123],"determining":[125],"placement":[127],"network.":[133],"Using":[134],"linearization":[135],"supermodular":[137],"function":[138],"techniques,":[139],"present":[141],"approximation":[142],"solutions":[143],"which":[144],"perform":[145],"close":[146],"optimal":[148],"substantially":[150],"better":[151],"than":[152],"state-of-the-art":[153],"methods.":[154],"Finally,":[155],"analyze":[157],"interplay":[159],"between":[160],"various":[161],"performance":[162],"reliability":[164],"objectives.":[165]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":8},{"year":2022,"cited_by_count":8},{"year":2021,"cited_by_count":14},{"year":2020,"cited_by_count":10},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}