{"id":"https://openalex.org/W7116791346","doi":"https://doi.org/10.23919/cnsm67658.2025.11297536","title":"NFVAgent: A Retrieval-Augmented LLM Agent for Resilient NFV Failure Recovery","display_name":"NFVAgent: A Retrieval-Augmented LLM Agent for Resilient NFV Failure Recovery","publication_year":2025,"publication_date":"2025-10-27","ids":{"openalex":"https://openalex.org/W7116791346","doi":"https://doi.org/10.23919/cnsm67658.2025.11297536"},"language":null,"primary_location":{"id":"doi:10.23919/cnsm67658.2025.11297536","is_oa":false,"landing_page_url":"https://doi.org/10.23919/cnsm67658.2025.11297536","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 21st International Conference on Network and Service Management (CNSM)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5120978408","display_name":"Yeunjin Woo","orcid":null},"institutions":[{"id":"https://openalex.org/I848706","display_name":"Sungkyunkwan University","ror":"https://ror.org/04q78tk20","country_code":"KR","type":"education","lineage":["https://openalex.org/I848706"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Yeunjin Woo","raw_affiliation_strings":["Sungkyunkwan University,Department of DMC Engineering,Suwon,Republic of Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sungkyunkwan University,Department of DMC Engineering,Suwon,Republic of Korea","institution_ids":["https://openalex.org/I848706"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101323096","display_name":"Honguk Woo","orcid":null},"institutions":[{"id":"https://openalex.org/I848706","display_name":"Sungkyunkwan University","ror":"https://ror.org/04q78tk20","country_code":"KR","type":"education","lineage":["https://openalex.org/I848706"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Honguk Woo","raw_affiliation_strings":["Sungkyunkwan University,Department of Computer Science and Engineering,Suwon,Republic of Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sungkyunkwan University,Department of Computer Science and Engineering,Suwon,Republic of Korea","institution_ids":["https://openalex.org/I848706"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I848706"],"apc_list":null,"apc_paid":null,"fwci":1.9814,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.89577297,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10714","display_name":"Software-Defined Networks and 5G","score":0.8769000172615051,"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":0.8769000172615051,"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/T12127","display_name":"Software System Performance and Reliability","score":0.08969999849796295,"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/T10101","display_name":"Cloud Computing and Resource Management","score":0.003700000001117587,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/testbed","display_name":"Testbed","score":0.5730000138282776},{"id":"https://openalex.org/keywords/flexibility","display_name":"Flexibility (engineering)","score":0.572700023651123},{"id":"https://openalex.org/keywords/scalability","display_name":"Scalability","score":0.5583000183105469},{"id":"https://openalex.org/keywords/network-functions-virtualization","display_name":"Network Functions Virtualization","score":0.5101000070571899},{"id":"https://openalex.org/keywords/software-deployment","display_name":"Software deployment","score":0.47119998931884766},{"id":"https://openalex.org/keywords/adaptation","display_name":"Adaptation (eye)","score":0.4641000032424927},{"id":"https://openalex.org/keywords/reliability","display_name":"Reliability (semiconductor)","score":0.3698999881744385},{"id":"https://openalex.org/keywords/function","display_name":"Function (biology)","score":0.3398999869823456}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7006000280380249},{"id":"https://openalex.org/C31395832","wikidata":"https://www.wikidata.org/wiki/Q1318674","display_name":"Testbed","level":2,"score":0.5730000138282776},{"id":"https://openalex.org/C2780598303","wikidata":"https://www.wikidata.org/wiki/Q65921492","display_name":"Flexibility (engineering)","level":2,"score":0.572700023651123},{"id":"https://openalex.org/C48044578","wikidata":"https://www.wikidata.org/wiki/Q727490","display_name":"Scalability","level":2,"score":0.5583000183105469},{"id":"https://openalex.org/C200789330","wikidata":"https://www.wikidata.org/wiki/Q7000834","display_name":"Network Functions Virtualization","level":3,"score":0.5101000070571899},{"id":"https://openalex.org/C105339364","wikidata":"https://www.wikidata.org/wiki/Q2297740","display_name":"Software deployment","level":2,"score":0.47119998931884766},{"id":"https://openalex.org/C139807058","wikidata":"https://www.wikidata.org/wiki/Q352374","display_name":"Adaptation (eye)","level":2,"score":0.4641000032424927},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.4316999912261963},{"id":"https://openalex.org/C43214815","wikidata":"https://www.wikidata.org/wiki/Q7310987","display_name":"Reliability (semiconductor)","level":3,"score":0.3698999881744385},{"id":"https://openalex.org/C14036430","wikidata":"https://www.wikidata.org/wiki/Q3736076","display_name":"Function (biology)","level":2,"score":0.3398999869823456},{"id":"https://openalex.org/C115901376","wikidata":"https://www.wikidata.org/wiki/Q184199","display_name":"Automation","level":2,"score":0.3395000100135803},{"id":"https://openalex.org/C185798385","wikidata":"https://www.wikidata.org/wiki/Q1161707","display_name":"Benchmark (surveying)","level":2,"score":0.3375000059604645},{"id":"https://openalex.org/C112930515","wikidata":"https://www.wikidata.org/wiki/Q4389547","display_name":"Risk analysis (engineering)","level":1,"score":0.31139999628067017},{"id":"https://openalex.org/C129763632","wikidata":"https://www.wikidata.org/wiki/Q1454667","display_name":"Network management","level":2,"score":0.28760001063346863},{"id":"https://openalex.org/C2780378061","wikidata":"https://www.wikidata.org/wiki/Q25351891","display_name":"Service (business)","level":2,"score":0.2874999940395355},{"id":"https://openalex.org/C129230348","wikidata":"https://www.wikidata.org/wiki/Q1140205","display_name":"Disaster recovery","level":2,"score":0.2833000123500824},{"id":"https://openalex.org/C2776544517","wikidata":"https://www.wikidata.org/wiki/Q189447","display_name":"Unexpected events","level":2,"score":0.2816999852657318},{"id":"https://openalex.org/C2778012447","wikidata":"https://www.wikidata.org/wiki/Q1034415","display_name":"Scope (computer science)","level":2,"score":0.27309998869895935},{"id":"https://openalex.org/C4554734","wikidata":"https://www.wikidata.org/wiki/Q593744","display_name":"Knowledge base","level":2,"score":0.272599995136261},{"id":"https://openalex.org/C2780186347","wikidata":"https://www.wikidata.org/wiki/Q11414","display_name":"Subnetwork","level":2,"score":0.2655999958515167},{"id":"https://openalex.org/C18762648","wikidata":"https://www.wikidata.org/wiki/Q42213","display_name":"Work (physics)","level":2,"score":0.2590999901294708}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.23919/cnsm67658.2025.11297536","is_oa":false,"landing_page_url":"https://doi.org/10.23919/cnsm67658.2025.11297536","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 21st International Conference on Network and Service Management (CNSM)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320321378","display_name":"Sungkyunkwan University","ror":"https://ror.org/04q78tk20"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":19,"referenced_works":["https://openalex.org/W3015262513","https://openalex.org/W4226096557","https://openalex.org/W4312924812","https://openalex.org/W4364302295","https://openalex.org/W4384345635","https://openalex.org/W4387382605","https://openalex.org/W4388212264","https://openalex.org/W4389160107","https://openalex.org/W4394745158","https://openalex.org/W4394946189","https://openalex.org/W4400484653","https://openalex.org/W4400484665","https://openalex.org/W4400484838","https://openalex.org/W4403204305","https://openalex.org/W4403582420","https://openalex.org/W4404035586","https://openalex.org/W4404254531","https://openalex.org/W4405179256","https://openalex.org/W4410999905"],"related_works":[],"abstract_inverted_index":{"As":[0],"modern":[1],"networks":[2],"continue":[3],"to":[4,36,39,45,109,177,195,197,200,246],"grow":[5],"in":[6,12,119,124,262,285],"scale,":[7],"heterogeneity,":[8],"and":[9,31,62,68,112,122,156,209,270],"complexity,":[10],"automation":[11],"Network":[13],"Function":[14],"Virtualization":[15],"(NFV)":[16],"management":[17,24],"has":[18],"become":[19],"increasingly":[20],"critical.":[21],"Traditional":[22],"NFV":[23,56,95,116,132,165,206,227],"systems,":[25],"which":[26],"rely":[27],"on":[28,136,216,232],"static":[29],"policies":[30],"manual":[32],"interventions,":[33],"often":[34,105],"fail":[35],"respond":[37],"effectively":[38],"dynamic":[40,185],"network":[41],"conditions.":[42],"This":[43,159,265],"leads":[44],"delayed":[46],"or":[47],"suboptimal":[48],"failure":[49,207,223],"recovery.":[50],"Moreover,":[51],"the":[52,66,88,110,171,191,267],"increasing":[53],"diversity":[54],"of":[55,70,92,115,205,259,273],"deployments,":[57],"spanning":[58],"heterogeneous":[59],"configurations,":[60],"tenants,":[61],"operational":[63,96,283],"standards,":[64],"restricts":[65],"flexibility":[67],"scalability":[69],"existing":[71,252],"policy-based":[72,253],"solutions.":[73],"Considering":[74],"these":[75],"limitations,":[76],"this":[77],"work":[78],"explores":[79],"Large":[80],"Language":[81],"Model":[82],"(LLM)":[83],"agent":[84,192],"approaches":[85,100],"by":[86,144,255],"harnessing":[87],"advanced":[89],"reasoning":[90,186],"capabilities":[91],"LLMs":[93,104],"within":[94],"context.":[97],"While":[98],"LLMbased":[99],"are":[101],"structurally":[102],"promising,":[103],"lack":[106],"explicit":[107],"exposure":[108],"diverse":[111,164,226],"domain-specific":[113],"characteristics":[114],"environments,":[117,166,228],"resulting":[118],"limited":[120],"generalization":[121],"reliability":[123],"real-world":[125,286],"scenarios.":[126],"We":[127,213],"introduce":[128],"NFVAgent,":[129],"an":[130,217,256],"LLM-driven":[131],"recovery":[133,180,211,249,287],"framework":[134,183],"built":[135],"RetrievalAugmented":[137],"Generation":[138],"(RAG).":[139],"It":[140],"overcomes":[141],"adaptation":[142],"limitations":[143],"continuously":[145],"updating":[146],"its":[147,203],"knowledge":[148,284],"base":[149],"through":[150],"experiences":[151],"gathered":[152],"from":[153],"both":[154],"testbed":[155],"deployment":[157],"environments.":[158,264],"evolving":[160],"knowledge,":[161,189],"validated":[162],"across":[163],"is":[167],"seamlessly":[168],"integrated":[169],"into":[170],"agent\u2019s":[172],"decisionmaking":[173],"loop,":[174],"enabling":[175],"it":[176],"generate":[178],"appropriate":[179],"actions.":[181],"The":[182],"supports":[184],"over":[187,221],"up-to-date":[188],"allowing":[190],"not":[193],"only":[194],"react":[196],"failures":[198],"but":[199],"continually":[201],"refine":[202],"understanding":[204],"patterns":[208],"effective":[210],"strategies.":[212],"evaluate":[214],"NFVAgent":[215,243],"alarm":[218],"dataset":[219],"comprising":[220],"500":[222],"events":[224],"with":[225,277],"each":[229],"configured":[230],"based":[231],"industry":[233],"standards":[234],"(e.g.,":[235],"ONAP,":[236],"ETSI,":[237],"O-RAN).":[238],"Experimental":[239],"results":[240],"show":[241],"that":[242,280],"achieves":[244],"up":[245],"$99.8":[247],"\\%$":[248,261],"accuracy,":[250],"outperforming":[251],"methods":[254],"average":[257],"margin":[258],"$37.7":[260],"multitenant":[263],"highlights":[266],"practical":[268],"viability":[269],"performance":[271],"benefits":[272],"integrating":[274],"LLM":[275],"agents":[276],"retrieval":[278],"mechanisms":[279],"leverage":[281],"NFV-specific":[282],"tasks.":[288]},"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-12-22T00:00:00"}
