{"id":"https://openalex.org/W4312317583","doi":"https://doi.org/10.1109/tnsm.2022.3225748","title":"Virtual Network Embedding for NGSO Systems: Algorithmic Solution and SDN-Testbed Validation","display_name":"Virtual Network Embedding for NGSO Systems: Algorithmic Solution and SDN-Testbed Validation","publication_year":2022,"publication_date":"2022-12-01","ids":{"openalex":"https://openalex.org/W4312317583","doi":"https://doi.org/10.1109/tnsm.2022.3225748"},"language":"en","primary_location":{"id":"doi:10.1109/tnsm.2022.3225748","is_oa":true,"landing_page_url":"https://doi.org/10.1109/tnsm.2022.3225748","pdf_url":"https://ieeexplore.ieee.org/ielx7/4275028/5699970/09966931.pdf","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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","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":true,"oa_status":"hybrid","oa_url":"https://ieeexplore.ieee.org/ielx7/4275028/5699970/09966931.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5065197287","display_name":"Mario Minardi","orcid":"https://orcid.org/0000-0002-4620-2703"},"institutions":[{"id":"https://openalex.org/I186903577","display_name":"University of Luxembourg","ror":"https://ror.org/036x5ad56","country_code":"LU","type":"education","lineage":["https://openalex.org/I186903577"]}],"countries":["LU"],"is_corresponding":true,"raw_author_name":"Mario Minardi","raw_affiliation_strings":["Interdisciplinary Centre for Security, Reliability and Trust (SnT), University of Luxembourg, Luxembourg City, Luxembourg"],"affiliations":[{"raw_affiliation_string":"Interdisciplinary Centre for Security, Reliability and Trust (SnT), University of Luxembourg, Luxembourg City, Luxembourg","institution_ids":["https://openalex.org/I186903577"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5032104368","display_name":"Thang X. Vu","orcid":"https://orcid.org/0000-0002-8374-443X"},"institutions":[{"id":"https://openalex.org/I186903577","display_name":"University of Luxembourg","ror":"https://ror.org/036x5ad56","country_code":"LU","type":"education","lineage":["https://openalex.org/I186903577"]}],"countries":["LU"],"is_corresponding":false,"raw_author_name":"Thang X. Vu","raw_affiliation_strings":["Interdisciplinary Centre for Security, Reliability and Trust (SnT), University of Luxembourg, Luxembourg City, Luxembourg"],"affiliations":[{"raw_affiliation_string":"Interdisciplinary Centre for Security, Reliability and Trust (SnT), University of Luxembourg, Luxembourg City, Luxembourg","institution_ids":["https://openalex.org/I186903577"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101754024","display_name":"Lei Lei","orcid":"https://orcid.org/0000-0002-9144-0559"},"institutions":[{"id":"https://openalex.org/I87445476","display_name":"Xi'an Jiaotong University","ror":"https://ror.org/017zhmm22","country_code":"CN","type":"education","lineage":["https://openalex.org/I87445476"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lei Lei","raw_affiliation_strings":["School of Information and Communications Engineering, Xi’an Jiaotong University, Xi’an, China"],"affiliations":[{"raw_affiliation_string":"School of Information and Communications Engineering, Xi’an Jiaotong University, Xi’an, China","institution_ids":["https://openalex.org/I87445476"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101991671","display_name":"Christos Politis","orcid":null},"institutions":[{"id":"https://openalex.org/I909555","display_name":"SES (Luxembourg)","ror":"https://ror.org/00526y629","country_code":"LU","type":"company","lineage":["https://openalex.org/I909555"]}],"countries":["LU"],"is_corresponding":false,"raw_author_name":"Christos Politis","raw_affiliation_strings":["SES Technology, SES Techcom, Betzdorf, Luxembourg"],"affiliations":[{"raw_affiliation_string":"SES Technology, SES Techcom, Betzdorf, Luxembourg","institution_ids":["https://openalex.org/I909555"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5016154330","display_name":"Symeon Chatzinotas","orcid":"https://orcid.org/0000-0001-5122-0001"},"institutions":[{"id":"https://openalex.org/I186903577","display_name":"University of Luxembourg","ror":"https://ror.org/036x5ad56","country_code":"LU","type":"education","lineage":["https://openalex.org/I186903577"]}],"countries":["LU"],"is_corresponding":false,"raw_author_name":"Symeon Chatzinotas","raw_affiliation_strings":["Interdisciplinary Centre for Security, Reliability and Trust (SnT), University of Luxembourg, Luxembourg City, Luxembourg"],"affiliations":[{"raw_affiliation_string":"Interdisciplinary Centre for Security, Reliability and Trust (SnT), University of Luxembourg, Luxembourg City, Luxembourg","institution_ids":["https://openalex.org/I186903577"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5065197287"],"corresponding_institution_ids":["https://openalex.org/I186903577"],"apc_list":null,"apc_paid":null,"fwci":2.555,"has_fulltext":true,"cited_by_count":19,"citation_normalized_percentile":{"value":0.89936166,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":96,"max":99},"biblio":{"volume":"20","issue":"3","first_page":"3523","last_page":"3535"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10714","display_name":"Software-Defined Networks and 5G","score":0.9998999834060669,"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":0.9998999834060669,"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/T12042","display_name":"Satellite Communication Systems","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T10847","display_name":"Advanced Optical Network Technologies","score":0.9940999746322632,"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":0.8206009864807129},{"id":"https://openalex.org/keywords/network-topology","display_name":"Network topology","score":0.7210907936096191},{"id":"https://openalex.org/keywords/testbed","display_name":"Testbed","score":0.5908359289169312},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.5451157093048096},{"id":"https://openalex.org/keywords/virtual-network","display_name":"Virtual network","score":0.5231572389602661},{"id":"https://openalex.org/keywords/network-virtualization","display_name":"Network virtualization","score":0.4782903790473938},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.3264656066894531},{"id":"https://openalex.org/keywords/virtualization","display_name":"Virtualization","score":0.2033907175064087},{"id":"https://openalex.org/keywords/cloud-computing","display_name":"Cloud computing","score":0.10057663917541504}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8206009864807129},{"id":"https://openalex.org/C199845137","wikidata":"https://www.wikidata.org/wiki/Q145490","display_name":"Network topology","level":2,"score":0.7210907936096191},{"id":"https://openalex.org/C31395832","wikidata":"https://www.wikidata.org/wiki/Q1318674","display_name":"Testbed","level":2,"score":0.5908359289169312},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.5451157093048096},{"id":"https://openalex.org/C2776874963","wikidata":"https://www.wikidata.org/wiki/Q4112081","display_name":"Virtual network","level":2,"score":0.5231572389602661},{"id":"https://openalex.org/C2779898492","wikidata":"https://www.wikidata.org/wiki/Q4112081","display_name":"Network virtualization","level":4,"score":0.4782903790473938},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3264656066894531},{"id":"https://openalex.org/C513985346","wikidata":"https://www.wikidata.org/wiki/Q270471","display_name":"Virtualization","level":3,"score":0.2033907175064087},{"id":"https://openalex.org/C79974875","wikidata":"https://www.wikidata.org/wiki/Q483639","display_name":"Cloud computing","level":2,"score":0.10057663917541504},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tnsm.2022.3225748","is_oa":true,"landing_page_url":"https://doi.org/10.1109/tnsm.2022.3225748","pdf_url":"https://ieeexplore.ieee.org/ielx7/4275028/5699970/09966931.pdf","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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Network and Service Management","raw_type":"journal-article"},{"id":"pmh:oai:orbilu.uni.lu:10993/53270","is_oa":true,"landing_page_url":"https://orbilu.uni.lu/handle/10993/53270","pdf_url":"https://orbilu.uni.lu/bitstream/10993/53270/1/Dynamic_aware_Virtual_Network_Embedding_Final.pdf","source":{"id":"https://openalex.org/S4306401815","display_name":"Open Repository and Bibliography (University of Luxembourg)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I186903577","host_organization_name":"University of Luxembourg","host_organization_lineage":["https://openalex.org/I186903577"],"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":"IEEE Transactions on Network and Service Management (2023-09-30)","raw_type":"peer reviewed"}],"best_oa_location":{"id":"doi:10.1109/tnsm.2022.3225748","is_oa":true,"landing_page_url":"https://doi.org/10.1109/tnsm.2022.3225748","pdf_url":"https://ieeexplore.ieee.org/ielx7/4275028/5699970/09966931.pdf","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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Network and Service Management","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4312317583.pdf","grobid_xml":"https://content.openalex.org/works/W4312317583.grobid-xml"},"referenced_works_count":31,"referenced_works":["https://openalex.org/W1544853296","https://openalex.org/W1966600255","https://openalex.org/W2132238781","https://openalex.org/W2345821906","https://openalex.org/W2604174486","https://openalex.org/W2734940663","https://openalex.org/W2766546449","https://openalex.org/W2793519446","https://openalex.org/W2893668323","https://openalex.org/W2895773881","https://openalex.org/W2908048701","https://openalex.org/W2921206069","https://openalex.org/W2923914728","https://openalex.org/W2963290757","https://openalex.org/W2976243341","https://openalex.org/W2979645570","https://openalex.org/W2998377567","https://openalex.org/W3003604480","https://openalex.org/W3004059753","https://openalex.org/W3008629548","https://openalex.org/W3009600477","https://openalex.org/W3089706104","https://openalex.org/W3112983622","https://openalex.org/W3133111201","https://openalex.org/W3177891869","https://openalex.org/W3209398333","https://openalex.org/W4200319302","https://openalex.org/W4200490619","https://openalex.org/W4238120498","https://openalex.org/W4239813284","https://openalex.org/W6632454643"],"related_works":["https://openalex.org/W1974496971","https://openalex.org/W2128291817","https://openalex.org/W2606336747","https://openalex.org/W2766546449","https://openalex.org/W1971175048","https://openalex.org/W2963506123","https://openalex.org/W1639136369","https://openalex.org/W3124910860","https://openalex.org/W2602555740","https://openalex.org/W2787824175"],"abstract_inverted_index":{"Non-Geostationary":[0],"Orbit":[1],"satellite":[2],"(NGSO)":[3],"is":[4,45,188,210],"an":[5,61,167],"essential":[6],"element":[7],"in":[8,43,60,219],"5G":[9],"Non-Terrestrial":[10],"Networks":[11],"(NTNs),":[12],"which":[13],"can":[14,127],"operate":[15],"either":[16],"independently":[17],"or":[18],"as":[19],"complementary":[20],"parts":[21],"to":[22,25,34,47,53,153,175,230,241,249],"terrestrial":[23],"systems":[24,76],"boost":[26],"the":[27,35,41,49,101,108,124,134,159,163,182,185,196,202,217,233,243],"network":[28,50],"capacity,":[29],"coverage":[30],"and":[31,143,205,216],"resilience.":[32],"Due":[33],"highly":[36,121],"dynamic":[37,79,122],"topologies,":[38],"one":[39],"of":[40,57,136,140,162,184,208],"challenges":[42],"NGSO":[44],"how":[46],"harmonize":[48],"virtualized":[51],"resources":[52],"satisfy":[54],"diverse":[55],"quality":[56],"service":[58],"requirements":[59],"efficient":[62,168],"manner.":[63],"In":[64,119,179],"this":[65,150],"paper,":[66],"we":[67,165,213],"investigate":[68],"Virtual":[69,112],"Network":[70,113],"Embedding":[71],"(VNE)":[72],"for":[73,90,110,130,226,236],"integrated":[74],"NGSO-terrestrial":[75],"while":[77],"considering":[78],"topologies.":[80],"We":[81],"propose":[82,166],"a":[83,91,120,137],"Mixed":[84],"Binary":[85],"Linear":[86],"Programming":[87],"(MBLP)":[88],"formulation":[89],"Dynamic":[92],"Topology-Aware":[93],"VNE":[94,125],"(DTA-VNE)":[95],"algorithm.":[96],"Given":[97],"priori":[98],"information":[99],"about":[100],"network\u2019s":[102],"evolution":[103],"over":[104,116],"time,":[105],"DTA-VNE":[106,146],"plans":[107],"embedding":[109],"each":[111,237],"Request":[114],"(VNR)":[115],"its":[117],"lifetime.":[118],"environment,":[123],"decision":[126],"be":[128],"varying":[129],"different":[131],"VNRs":[132],"at":[133,148],"expense":[135],"considerable":[138],"cost":[139,152,194,207],"migrating":[141],"traffic":[142],"reconfiguring":[144],"resources.":[145],"aims":[147],"minimizing":[149],"migration":[151,193,206],"avoid":[154],"unnecessary":[155],"re-mappings.":[156],"To":[157],"tackle":[158],"exponential":[160],"complexity":[161],"MBLP,":[164],"algorithm":[169],"based":[170],"on":[171],"relaxation":[172],"approaches":[173],"(DTA-R)":[174],"solve":[176],"large-scale":[177],"problems.":[178],"numerical":[180],"results,":[181],"effectiveness":[183],"proposed":[186],"DTA-R":[187,209,215,239],"demonstrated":[189],"with":[190],"much":[191],"lower":[192],"than":[195],"conventional":[197],"implementations.":[198],"The":[199],"trade-off":[200],"between":[201],"computation":[203],"time":[204],"studied.":[211],"Finally,":[212],"test":[214],"baselines":[218],"our":[220],"developed":[221],"MultI-layer":[222],"awaRe":[223],"SDN-based":[224],"testbed":[225],"SAtellite-Terrestrial":[227],"networks":[228],"(MIRSAT)":[229],"precisely":[231],"quantify":[232],"packet":[234,244],"lost":[235,245],"migration.":[238],"proved":[240],"reduce":[242],"by":[246],"~2.5-5%":[247],"compared":[248],"baselines.":[250]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":9},{"year":2023,"cited_by_count":4}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}