{"id":"https://openalex.org/W3204969604","doi":"https://doi.org/10.1109/globecom46510.2021.9685775","title":"Downtime-Aware O-RAN VNF Deployment Strategy for Optimized Self-Healing in the O-Cloud","display_name":"Downtime-Aware O-RAN VNF Deployment Strategy for Optimized Self-Healing in the O-Cloud","publication_year":2021,"publication_date":"2021-12-01","ids":{"openalex":"https://openalex.org/W3204969604","doi":"https://doi.org/10.1109/globecom46510.2021.9685775","mag":"3204969604"},"language":"en","primary_location":{"id":"doi:10.1109/globecom46510.2021.9685775","is_oa":false,"landing_page_url":"https://doi.org/10.1109/globecom46510.2021.9685775","pdf_url":null,"source":{"id":"https://openalex.org/S4363607714","display_name":"2021 IEEE Global Communications Conference (GLOBECOM)","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":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE Global Communications Conference (GLOBECOM)","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["arxiv","crossref","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2110.06060","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5042668454","display_name":"Ibrahim Tamim","orcid":"https://orcid.org/0000-0001-7749-7543"},"institutions":[{"id":"https://openalex.org/I125749732","display_name":"Western University","ror":"https://ror.org/02grkyz14","country_code":"CA","type":"education","lineage":["https://openalex.org/I125749732"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Ibrahim Tamim","raw_affiliation_strings":["Western University,ECE Department,London,Canada","University of western Ontario"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Western University,ECE Department,London,Canada","institution_ids":["https://openalex.org/I125749732"]},{"raw_affiliation_string":"University of western Ontario","institution_ids":["https://openalex.org/I125749732"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5074009521","display_name":"Anas Saci","orcid":"https://orcid.org/0000-0002-0019-8163"},"institutions":[{"id":"https://openalex.org/I125749732","display_name":"Western University","ror":"https://ror.org/02grkyz14","country_code":"CA","type":"education","lineage":["https://openalex.org/I125749732"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Anas Saci","raw_affiliation_strings":["Western University,ECE Department,London,Canada","University of western Ontario"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Western University,ECE Department,London,Canada","institution_ids":["https://openalex.org/I125749732"]},{"raw_affiliation_string":"University of western Ontario","institution_ids":["https://openalex.org/I125749732"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044729293","display_name":"Manar Jammal","orcid":"https://orcid.org/0000-0002-4833-7644"},"institutions":[{"id":"https://openalex.org/I192455969","display_name":"York University","ror":"https://ror.org/05fq50484","country_code":"CA","type":"education","lineage":["https://openalex.org/I192455969"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Manar Jammal","raw_affiliation_strings":["School of IT, York University,Toronto,Canada","York University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of IT, York University,Toronto,Canada","institution_ids":["https://openalex.org/I192455969"]},{"raw_affiliation_string":"York University","institution_ids":["https://openalex.org/I192455969"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5041270670","display_name":"Abdallah Shami","orcid":"https://orcid.org/0000-0003-2887-0350"},"institutions":[{"id":"https://openalex.org/I125749732","display_name":"Western University","ror":"https://ror.org/02grkyz14","country_code":"CA","type":"education","lineage":["https://openalex.org/I125749732"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Abdallah Shami","raw_affiliation_strings":["Western University,ECE Department,London,Canada","University of western Ontario"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Western University,ECE Department,London,Canada","institution_ids":["https://openalex.org/I125749732"]},{"raw_affiliation_string":"University of western Ontario","institution_ids":["https://openalex.org/I125749732"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9998999834060669,"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"}},"topics":[{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9998999834060669,"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/T10714","display_name":"Software-Defined Networks and 5G","score":0.9997000098228455,"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/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9994000196456909,"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/cloud-computing","display_name":"Cloud computing","score":0.8106657266616821},{"id":"https://openalex.org/keywords/downtime","display_name":"Downtime","score":0.6920835971832275},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6861903667449951},{"id":"https://openalex.org/keywords/software-deployment","display_name":"Software deployment","score":0.6753676533699036},{"id":"https://openalex.org/keywords/c-ran","display_name":"C-RAN","score":0.6013914942741394},{"id":"https://openalex.org/keywords/radio-access-network","display_name":"Radio access network","score":0.5839143991470337},{"id":"https://openalex.org/keywords/vendor","display_name":"Vendor","score":0.4993157386779785},{"id":"https://openalex.org/keywords/quality-of-service","display_name":"Quality of service","score":0.48963409662246704},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.45714548230171204},{"id":"https://openalex.org/keywords/cellular-network","display_name":"Cellular network","score":0.4369232654571533},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.38381993770599365},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.099641352891922},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.09921801090240479}],"concepts":[{"id":"https://openalex.org/C79974875","wikidata":"https://www.wikidata.org/wiki/Q483639","display_name":"Cloud computing","level":2,"score":0.8106657266616821},{"id":"https://openalex.org/C180591934","wikidata":"https://www.wikidata.org/wiki/Q1253369","display_name":"Downtime","level":2,"score":0.6920835971832275},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6861903667449951},{"id":"https://openalex.org/C105339364","wikidata":"https://www.wikidata.org/wiki/Q2297740","display_name":"Software deployment","level":2,"score":0.6753676533699036},{"id":"https://openalex.org/C2779765720","wikidata":"https://www.wikidata.org/wiki/Q5005908","display_name":"C-RAN","level":5,"score":0.6013914942741394},{"id":"https://openalex.org/C106365562","wikidata":"https://www.wikidata.org/wiki/Q3078360","display_name":"Radio access network","level":4,"score":0.5839143991470337},{"id":"https://openalex.org/C2777338717","wikidata":"https://www.wikidata.org/wiki/Q1762621","display_name":"Vendor","level":2,"score":0.4993157386779785},{"id":"https://openalex.org/C5119721","wikidata":"https://www.wikidata.org/wiki/Q220501","display_name":"Quality of service","level":2,"score":0.48963409662246704},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.45714548230171204},{"id":"https://openalex.org/C153646914","wikidata":"https://www.wikidata.org/wiki/Q535695","display_name":"Cellular network","level":2,"score":0.4369232654571533},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.38381993770599365},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.099641352891922},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.09921801090240479},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.0},{"id":"https://openalex.org/C207029474","wikidata":"https://www.wikidata.org/wiki/Q384018","display_name":"Mobile station","level":3,"score":0.0},{"id":"https://openalex.org/C162853370","wikidata":"https://www.wikidata.org/wiki/Q39809","display_name":"Marketing","level":1,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1109/globecom46510.2021.9685775","is_oa":false,"landing_page_url":"https://doi.org/10.1109/globecom46510.2021.9685775","pdf_url":null,"source":{"id":"https://openalex.org/S4363607714","display_name":"2021 IEEE Global Communications Conference (GLOBECOM)","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":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE Global Communications Conference (GLOBECOM)","raw_type":"proceedings-article"},{"id":"pmh:oai:arXiv.org:2110.06060","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2110.06060","pdf_url":"https://arxiv.org/pdf/2110.06060","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"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":"text"},{"id":"mag:3204969604","is_oa":true,"landing_page_url":"https://arxiv.org/pdf/2110.06060","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"arXiv (Cornell University)","raw_type":null},{"id":"doi:10.48550/arxiv.2110.06060","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2110.06060","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2110.06060","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2110.06060","pdf_url":"https://arxiv.org/pdf/2110.06060","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"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":"text"},"sustainable_development_goals":[{"score":0.6399999856948853,"id":"https://metadata.un.org/sdg/9","display_name":"Industry, innovation and infrastructure"}],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3204969604.pdf","grobid_xml":"https://content.openalex.org/works/W3204969604.grobid-xml"},"referenced_works_count":12,"referenced_works":["https://openalex.org/W1481447998","https://openalex.org/W2040756373","https://openalex.org/W2141735626","https://openalex.org/W2763322471","https://openalex.org/W2797385508","https://openalex.org/W2998898452","https://openalex.org/W3024879640","https://openalex.org/W3037678800","https://openalex.org/W3045790775","https://openalex.org/W3046033237","https://openalex.org/W3100493006","https://openalex.org/W6781369184"],"related_works":["https://openalex.org/W2577251103","https://openalex.org/W2890979127","https://openalex.org/W2500850689","https://openalex.org/W2585384041","https://openalex.org/W3114479013","https://openalex.org/W2547922127","https://openalex.org/W1996727326","https://openalex.org/W2794916205","https://openalex.org/W3045670117","https://openalex.org/W2775255619","https://openalex.org/W2969547341","https://openalex.org/W3088950228","https://openalex.org/W3114502413","https://openalex.org/W2906062664","https://openalex.org/W2946116127","https://openalex.org/W2736498117","https://openalex.org/W2803143568","https://openalex.org/W2982466092","https://openalex.org/W3174429358","https://openalex.org/W2951957138"],"abstract_inverted_index":{"Due":[0],"to":[1,20,68,95,98,110,142,171],"the":[2,6,27,45,48,52,57,66,70,81,112,121,135,140,144,150,165,172],"huge":[3],"surge":[4],"in":[5,102,139],"traffic":[7],"of":[8,47,65,76,83,123],"IoT":[9],"devices":[10],"and":[11,36,42,74,88,93,115,152,169],"applications,":[12],"mobile":[13],"networks":[14,31],"require":[15],"a":[16,103],"new":[17,77,89],"paradigm":[18],"shift":[19],"handle":[21],"such":[22],"demand":[23],"roll":[24],"out.":[25],"With":[26],"5G":[28],"economics,":[29],"those":[30],"should":[32],"provide":[33],"virtualized":[34,136],"multi-vendor":[35],"intelligent":[37],"systems":[38],"that":[39,163],"can":[40],"scale":[41],"efficiently":[43],"optimize":[44],"investment":[46],"underlying":[49],"infrastructure.":[50],"Therefore,":[51,106],"market":[53],"stakeholders":[54],"have":[55],"proposed":[56],"Open":[58],"Radio":[59],"Access":[60],"Network":[61],"(O-RAN)":[62],"as":[63],"one":[64],"solutions":[67],"improve":[69],"network":[71,90],"performance,":[72],"agility,":[73],"time-to-market":[75],"applications.":[78],"O-RAN":[79,113,137],"harnesses":[80],"power":[82],"artificial":[84],"intelligence,":[85],"cloud":[86],"computing,":[87],"technologies":[91],"(NFV":[92],"SDN)":[94],"allow":[96],"operators":[97],"manage":[99],"their":[100],"infrastructure":[101],"cost-efficient":[104],"manner.":[105],"it":[107],"is":[108],"necessary":[109],"address":[111],"performance":[114,151],"availability":[116,168],"challenges":[117],"autonomously":[118],"while":[119,147],"maintaining":[120],"quality":[122],"service.":[124],"In":[125],"this":[126],"work,":[127],"we":[128],"propose":[129],"an":[130,159],"optimized":[131],"deployment":[132,161],"strategy":[133,162],"for":[134],"units":[138],"O-Cloud":[141],"minimize":[143],"network's":[145,166],"outage":[146],"complying":[148],"with":[149],"operational":[153],"requirements.":[154,174],"The":[155],"model's":[156],"evaluation":[157],"provides":[158],"optimal":[160],"maximizes":[164],"overall":[167],"adheres":[170],"O-RAN-specific":[173]},"counts_by_year":[{"year":2023,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
