{"id":"https://openalex.org/W7128442614","doi":"https://doi.org/10.1109/tsc.2026.3662645","title":"Toward Latency Differentials Optimization in Deploying URLLC Service Function Chains","display_name":"Toward Latency Differentials Optimization in Deploying URLLC Service Function Chains","publication_year":2026,"publication_date":"2026-02-09","ids":{"openalex":"https://openalex.org/W7128442614","doi":"https://doi.org/10.1109/tsc.2026.3662645"},"language":null,"primary_location":{"id":"doi:10.1109/tsc.2026.3662645","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsc.2026.3662645","pdf_url":null,"source":{"id":"https://openalex.org/S204223317","display_name":"IEEE Transactions on Services Computing","issn_l":"1939-1374","issn":["1939-1374","2372-0204"],"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 Services Computing","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/A5125451889","display_name":"Danyang Zheng","orcid":null},"institutions":[{"id":"https://openalex.org/I4800084","display_name":"Southwest Jiaotong University","ror":"https://ror.org/00hn7w693","country_code":"CN","type":"education","lineage":["https://openalex.org/I4800084"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Danyang Zheng","raw_affiliation_strings":["School of Computing and Artificial Intelligence, Southwest Jiaotong University, Chengdu, China"],"raw_orcid":"https://orcid.org/0000-0002-3031-7856","affiliations":[{"raw_affiliation_string":"School of Computing and Artificial Intelligence, Southwest Jiaotong University, Chengdu, China","institution_ids":["https://openalex.org/I4800084"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5038194302","display_name":"Kai Huang","orcid":"https://orcid.org/0000-0001-7342-6780"},"institutions":[{"id":"https://openalex.org/I4800084","display_name":"Southwest Jiaotong University","ror":"https://ror.org/00hn7w693","country_code":"CN","type":"education","lineage":["https://openalex.org/I4800084"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Kai Huang","raw_affiliation_strings":["School of Computing and Artificial Intelligence, Southwest Jiaotong University, Chengdu, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Computing and Artificial Intelligence, Southwest Jiaotong University, Chengdu, China","institution_ids":["https://openalex.org/I4800084"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5125465480","display_name":"Huanlai Xing","orcid":null},"institutions":[{"id":"https://openalex.org/I4800084","display_name":"Southwest Jiaotong University","ror":"https://ror.org/00hn7w693","country_code":"CN","type":"education","lineage":["https://openalex.org/I4800084"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Huanlai Xing","raw_affiliation_strings":["School of Computing and Artificial Intelligence, Southwest Jiaotong University, Chengdu, China"],"raw_orcid":"https://orcid.org/0000-0002-6345-7265","affiliations":[{"raw_affiliation_string":"School of Computing and Artificial Intelligence, Southwest Jiaotong University, Chengdu, China","institution_ids":["https://openalex.org/I4800084"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5121444726","display_name":"Xiaojun Cao","orcid":null},"institutions":[{"id":"https://openalex.org/I181565077","display_name":"Georgia State University","ror":"https://ror.org/03qt6ba18","country_code":"US","type":"education","lineage":["https://openalex.org/I181565077"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Xiaojun Cao","raw_affiliation_strings":["Department of Computer Science, Georgia State University, Atlanta, GA, USA"],"raw_orcid":"https://orcid.org/0000-0001-5670-8196","affiliations":[{"raw_affiliation_string":"Department of Computer Science, Georgia State University, Atlanta, GA, USA","institution_ids":["https://openalex.org/I181565077"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":29.5103,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.99352297,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":98,"max":99},"biblio":{"volume":"19","issue":"2","first_page":"1619","last_page":"1632"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10714","display_name":"Software-Defined Networks and 5G","score":0.2425999939441681,"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":0.2425999939441681,"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/T13553","display_name":"Age of Information Optimization","score":0.16089999675750732,"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/T11478","display_name":"Caching and Content Delivery","score":0.0812000036239624,"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/backup","display_name":"Backup","score":0.9039999842643738},{"id":"https://openalex.org/keywords/latency","display_name":"Latency (audio)","score":0.7671999931335449},{"id":"https://openalex.org/keywords/software-deployment","display_name":"Software deployment","score":0.4927000105381012},{"id":"https://openalex.org/keywords/service","display_name":"Service (business)","score":0.40220001339912415},{"id":"https://openalex.org/keywords/reliability","display_name":"Reliability (semiconductor)","score":0.39320001006126404},{"id":"https://openalex.org/keywords/network-service","display_name":"Network service","score":0.33340001106262207},{"id":"https://openalex.org/keywords/function","display_name":"Function (biology)","score":0.32580000162124634}],"concepts":[{"id":"https://openalex.org/C2780945871","wikidata":"https://www.wikidata.org/wiki/Q194274","display_name":"Backup","level":2,"score":0.9039999842643738},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.853600025177002},{"id":"https://openalex.org/C82876162","wikidata":"https://www.wikidata.org/wiki/Q17096504","display_name":"Latency (audio)","level":2,"score":0.7671999931335449},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.5425999760627747},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.51910001039505},{"id":"https://openalex.org/C105339364","wikidata":"https://www.wikidata.org/wiki/Q2297740","display_name":"Software deployment","level":2,"score":0.4927000105381012},{"id":"https://openalex.org/C2780378061","wikidata":"https://www.wikidata.org/wiki/Q25351891","display_name":"Service (business)","level":2,"score":0.40220001339912415},{"id":"https://openalex.org/C43214815","wikidata":"https://www.wikidata.org/wiki/Q7310987","display_name":"Reliability (semiconductor)","level":3,"score":0.39320001006126404},{"id":"https://openalex.org/C2779618445","wikidata":"https://www.wikidata.org/wiki/Q1640628","display_name":"Network service","level":2,"score":0.33340001106262207},{"id":"https://openalex.org/C14036430","wikidata":"https://www.wikidata.org/wiki/Q3736076","display_name":"Function (biology)","level":2,"score":0.32580000162124634},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.3073999881744385},{"id":"https://openalex.org/C5119721","wikidata":"https://www.wikidata.org/wiki/Q220501","display_name":"Quality of service","level":2,"score":0.30219998955726624},{"id":"https://openalex.org/C115874739","wikidata":"https://www.wikidata.org/wiki/Q825377","display_name":"Critical path method","level":2,"score":0.298799991607666},{"id":"https://openalex.org/C65813073","wikidata":"https://www.wikidata.org/wiki/Q1622420","display_name":"High availability","level":2,"score":0.2888000011444092},{"id":"https://openalex.org/C46637626","wikidata":"https://www.wikidata.org/wiki/Q6693015","display_name":"Low latency (capital markets)","level":2,"score":0.2685000002384186},{"id":"https://openalex.org/C2777735758","wikidata":"https://www.wikidata.org/wiki/Q817765","display_name":"Path (computing)","level":2,"score":0.2680000066757202}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tsc.2026.3662645","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsc.2026.3662645","pdf_url":null,"source":{"id":"https://openalex.org/S204223317","display_name":"IEEE Transactions on Services Computing","issn_l":"1939-1374","issn":["1939-1374","2372-0204"],"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 Services Computing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/9","display_name":"Industry, innovation and infrastructure","score":0.4226556122303009}],"awards":[{"id":"https://openalex.org/G2915584714","display_name":null,"funder_award_id":"62302404","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Deploying":[0],"ultra-reliable":[1,99],"and":[2,17,31,52,69,85,100,105,134,168],"low-latency":[3,101],"communication":[4],"(URLLC)":[5],"service":[6,25,33,58],"function":[7,34],"chains":[8],"(SFCs)":[9],"is":[10],"imperative":[11],"for":[12,40,132],"applications":[13,63],"demanding":[14],"stringent":[15],"latency":[16,47,127,167,169],"reliability":[18],"performances.":[19],"In":[20,73,154],"these":[21],"applications,":[22],"ensuring":[23],"uninterrupted":[24],"hinges":[26],"on":[27,165],"establishing":[28],"fault-disjoint":[29],"primary":[30,51,84,133],"backup":[32,53,86,135],"paths":[35],"(SFPs).":[36],"However,":[37],"existing":[38],"techniques":[39,79],"deploying":[41],"SFCs":[42],"fall":[43],"short":[44],"in":[45,60,118],"optimizing":[46],"differentials":[48],"between":[49],"the":[50,83,96,114,124,138,148,158,178],"SFPs,":[54],"posing":[55],"risks":[56],"of":[57,98,140,180],"disruptions":[59],"critical":[61],"URLLC":[62],"like":[64],"remote":[65],"surgery,":[66],"smart":[67],"factory,":[68],"unmanned":[70],"vehicle":[71],"systems.":[72],"this":[74],"work,":[75],"we":[76,146],"investigate":[77],"pioneering":[78],"to":[80,184],"efficiently":[81],"optimize":[82,185],"SFP":[87,116,166],"latencies":[88],"while":[89],"minimizing":[90],"their":[91],"differentials.":[92,170],"We":[93,109],"formally":[94],"formulate":[95],"problem":[97],"SFC":[102],"deployment":[103],"(URLLC-SD)":[104],"show":[106],"its":[107],"NPhardness.":[108],"develop":[110],"an":[111],"innovative":[112],"algorithm,":[113],"Yen-based":[115],"Identification":[117],"Layered":[119],"Graph":[120],"(YANG),":[121],"which":[122],"optimizes":[123],"equal-weight":[125],"composite":[126],"objectives":[128],"with":[129],"symmetric":[130],"QoS/SLA":[131],"SFPs":[136],"at":[137],"expense":[139],"runtime":[141],"complexity.":[142],"Through":[143],"extensive":[144],"simulations,":[145],"demonstrate":[147],"YANG's":[149],"superiority,":[150],"surpassing":[151],"state-of-the-art":[152],"benchmarks.":[153],"particular,":[155],"YANG":[156],"achieves":[157],"highest":[159],"acceptance":[160],"rates":[161],"under":[162],"specific":[163],"constraints":[164],"Furthermore,":[171],"our":[172],"analysis":[173],"reveals":[174],"interesting":[175],"insights":[176],"into":[177],"selection":[179],"good":[181],"path":[182],"candidates":[183],"URLLC-SD.":[186]},"counts_by_year":[{"year":2026,"cited_by_count":3}],"updated_date":"2026-07-18T07:39:51.176621","created_date":"2026-02-10T00:00:00"}
