{"id":"https://openalex.org/W3041311484","doi":"https://doi.org/10.1109/africon46755.2019.9133813","title":"SDN-enabled Switch Placement in Multi-domain Hybrid SD-WAN","display_name":"SDN-enabled Switch Placement in Multi-domain Hybrid SD-WAN","publication_year":2019,"publication_date":"2019-09-01","ids":{"openalex":"https://openalex.org/W3041311484","doi":"https://doi.org/10.1109/africon46755.2019.9133813","mag":"3041311484"},"language":"en","primary_location":{"id":"doi:10.1109/africon46755.2019.9133813","is_oa":false,"landing_page_url":"https://doi.org/10.1109/africon46755.2019.9133813","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 IEEE AFRICON","raw_type":"proceedings-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/A5017635672","display_name":"Themba Shozi","orcid":null},"institutions":[{"id":"https://openalex.org/I21360634","display_name":"Council for Scientific and Industrial Research","ror":"https://ror.org/05j00sr48","country_code":"ZA","type":"funder","lineage":["https://openalex.org/I21360634"]}],"countries":["ZA"],"is_corresponding":true,"raw_author_name":"Themba Shozi","raw_affiliation_strings":["Council for Scientific and Industrial Research (CSIR), Pretoria, South Africa"],"affiliations":[{"raw_affiliation_string":"Council for Scientific and Industrial Research (CSIR), Pretoria, South Africa","institution_ids":["https://openalex.org/I21360634"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5013421313","display_name":"Sabelo Dlamini","orcid":"https://orcid.org/0000-0003-0687-828X"},"institutions":[{"id":"https://openalex.org/I21360634","display_name":"Council for Scientific and Industrial Research","ror":"https://ror.org/05j00sr48","country_code":"ZA","type":"funder","lineage":["https://openalex.org/I21360634"]}],"countries":["ZA"],"is_corresponding":false,"raw_author_name":"Sabelo Dlamini","raw_affiliation_strings":["Meraka Institute, Council for Scientific and Industrial Research (CSIR), Pretoria, South africa"],"affiliations":[{"raw_affiliation_string":"Meraka Institute, Council for Scientific and Industrial Research (CSIR), Pretoria, South africa","institution_ids":["https://openalex.org/I21360634"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022622992","display_name":"Pragasen Mudali","orcid":"https://orcid.org/0000-0003-4720-1726"},"institutions":[{"id":"https://openalex.org/I12553626","display_name":"University of Zululand","ror":"https://ror.org/03v8ter60","country_code":"ZA","type":"education","lineage":["https://openalex.org/I12553626"]}],"countries":["ZA"],"is_corresponding":false,"raw_author_name":"Pragasen Mudali","raw_affiliation_strings":["University of Zululand, KwaZulu-Natal, South Africa"],"affiliations":[{"raw_affiliation_string":"University of Zululand, KwaZulu-Natal, South Africa","institution_ids":["https://openalex.org/I12553626"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5065534341","display_name":"Hlabishi Kobo","orcid":"https://orcid.org/0000-0003-4362-2363"},"institutions":[{"id":"https://openalex.org/I21360634","display_name":"Council for Scientific and Industrial Research","ror":"https://ror.org/05j00sr48","country_code":"ZA","type":"funder","lineage":["https://openalex.org/I21360634"]}],"countries":["ZA"],"is_corresponding":false,"raw_author_name":"Hlabishi Kobo","raw_affiliation_strings":["Meraka Institute, Council for Scientific and Industrial Research (CSIR), Pretoria, South africa"],"affiliations":[{"raw_affiliation_string":"Meraka Institute, Council for Scientific and Industrial Research (CSIR), Pretoria, South africa","institution_ids":["https://openalex.org/I21360634"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5017635672"],"corresponding_institution_ids":["https://openalex.org/I21360634"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.27575908,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"1","issue":null,"first_page":"1","last_page":"7"},"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/T10847","display_name":"Advanced Optical Network Technologies","score":0.9955000281333923,"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":0.9901000261306763,"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":0.8193050622940063},{"id":"https://openalex.org/keywords/software-defined-networking","display_name":"Software-defined networking","score":0.6964659690856934},{"id":"https://openalex.org/keywords/scalability","display_name":"Scalability","score":0.6703134775161743},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.5916879773139954},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.579245388507843},{"id":"https://openalex.org/keywords/partition","display_name":"Partition (number theory)","score":0.5670494437217712},{"id":"https://openalex.org/keywords/software-deployment","display_name":"Software deployment","score":0.5506642460823059},{"id":"https://openalex.org/keywords/cluster-analysis","display_name":"Cluster analysis","score":0.5273578763008118},{"id":"https://openalex.org/keywords/network-topology","display_name":"Network topology","score":0.4555966854095459}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8193050622940063},{"id":"https://openalex.org/C77270119","wikidata":"https://www.wikidata.org/wiki/Q1655198","display_name":"Software-defined networking","level":2,"score":0.6964659690856934},{"id":"https://openalex.org/C48044578","wikidata":"https://www.wikidata.org/wiki/Q727490","display_name":"Scalability","level":2,"score":0.6703134775161743},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.5916879773139954},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.579245388507843},{"id":"https://openalex.org/C42812","wikidata":"https://www.wikidata.org/wiki/Q1082910","display_name":"Partition (number theory)","level":2,"score":0.5670494437217712},{"id":"https://openalex.org/C105339364","wikidata":"https://www.wikidata.org/wiki/Q2297740","display_name":"Software deployment","level":2,"score":0.5506642460823059},{"id":"https://openalex.org/C73555534","wikidata":"https://www.wikidata.org/wiki/Q622825","display_name":"Cluster analysis","level":2,"score":0.5273578763008118},{"id":"https://openalex.org/C199845137","wikidata":"https://www.wikidata.org/wiki/Q145490","display_name":"Network topology","level":2,"score":0.4555966854095459},{"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/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.0},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","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},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/africon46755.2019.9133813","is_oa":false,"landing_page_url":"https://doi.org/10.1109/africon46755.2019.9133813","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 IEEE AFRICON","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Industry, innovation and infrastructure","id":"https://metadata.un.org/sdg/9","score":0.6499999761581421}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":21,"referenced_works":["https://openalex.org/W1586550059","https://openalex.org/W1813388215","https://openalex.org/W1969542646","https://openalex.org/W2105785546","https://openalex.org/W2482438884","https://openalex.org/W2528237000","https://openalex.org/W2752454067","https://openalex.org/W2753426630","https://openalex.org/W2754894200","https://openalex.org/W2771833694","https://openalex.org/W2774756485","https://openalex.org/W2794152071","https://openalex.org/W2799088675","https://openalex.org/W2803856670","https://openalex.org/W2888971218","https://openalex.org/W2921290100","https://openalex.org/W2943699417","https://openalex.org/W2955195136","https://openalex.org/W6676079207","https://openalex.org/W6749549750","https://openalex.org/W6760424676"],"related_works":["https://openalex.org/W2770234245","https://openalex.org/W96612179","https://openalex.org/W4229499248","https://openalex.org/W2566006169","https://openalex.org/W1567818861","https://openalex.org/W2987774938","https://openalex.org/W4256492088","https://openalex.org/W3046364132","https://openalex.org/W2398230795","https://openalex.org/W2774756485"],"abstract_inverted_index":{"Software":[0],"Defined":[1],"Networking":[2],"(SDN)":[3],"helps":[4],"in":[5,73,144],"distributing":[6],"network":[7,66,115,122,136],"capacity":[8],"more":[9,20],"effectively":[10],"by":[11],"dynamically":[12],"adjusting":[13],"to":[14,33,43,84,86,121,138,149,160,175],"changing":[15],"demands,":[16],"and":[17,38,80,107,125,165,169],"managing":[18],"failure":[19],"rapidly.":[21],"However,":[22],"considering":[23],"the":[24,41,65,74,87,101,113,133,140,162,177,189,193],"next-generation":[25],"Wide":[26],"Area":[27],"Networks":[28],"(WANs),":[29],"which":[30],"are":[31,67],"required":[32],"be":[34,48,70],"fast,":[35],"scalable,":[36],"reliable":[37],"cost":[39],"effective,":[40],"transition":[42],"completely":[44],"SDN":[45,90,99,105],"infrastructure":[46],"will":[47],"challenging.":[49],"One":[50],"of":[51,59,89,103,109,135,179],"these":[52],"challenges":[53],"is":[54,83,116],"that":[55],"a":[56,78,118,171],"full":[57],"deployment":[58],"SDN,":[60],"whereby":[61],"all":[62],"nodes":[63],"on":[64,112],"SDN-enabled,":[68],"cannot":[69],"straightforwardly":[71],"accomplished":[72],"diminutive":[75],"period.":[76],"Therefore":[77],"possible":[79],"efficient":[81],"solution":[82],"shift":[85],"adoption":[88],"hybrid":[91,98,114,145],"networks":[92,100],"while":[93],"retaining":[94],"legacy":[95],"infrastructure.":[96],"In":[97,128,147],"placement":[102,143,167],"multiple":[104],"controllers":[106],"limitation":[108],"SDN-enabled":[110,141],"switches":[111],"still":[117],"challenge":[119,152],"due":[120],"operation":[123],"stability":[124],"financial":[126],"constraints.":[127],"this":[129,151],"paper,":[130],"we":[131,153],"adopt":[132],"idea":[134],"partition":[137],"solve":[139,161],"switch":[142,166],"SD-WAN.":[146],"order":[148],"address":[150],"implement":[154],"Agglomerative":[155],"Hierarchical":[156],"Clustering":[157],"(AHC)":[158],"algorithm":[159],"SD-WAN":[163],"partitioning":[164],"problem":[168],"use":[170],"cluster":[172],"validity":[173],"measure":[174],"determine":[176],"number":[178],"optimal":[180],"clusters.":[181],"A":[182],"performance":[183],"evaluation":[184],"experiment":[185],"was":[186],"conducted":[187],"for":[188],"proposed":[190],"approach":[191],"against":[192],"Optimized":[194],"K-means.":[195]},"counts_by_year":[{"year":2024,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
