{"id":"https://openalex.org/W4402897308","doi":"https://doi.org/10.1109/iwqos61813.2024.10682609","title":"Nexus: Efficient and Conflict-Equivalent DAG-Based Permissioned Blockchain Sharding","display_name":"Nexus: Efficient and Conflict-Equivalent DAG-Based Permissioned Blockchain Sharding","publication_year":2024,"publication_date":"2024-06-19","ids":{"openalex":"https://openalex.org/W4402897308","doi":"https://doi.org/10.1109/iwqos61813.2024.10682609"},"language":"en","primary_location":{"id":"doi:10.1109/iwqos61813.2024.10682609","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iwqos61813.2024.10682609","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 IEEE/ACM 32nd International Symposium on Quality of Service (IWQoS)","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/A5100649609","display_name":"Yuchao Zhang","orcid":"https://orcid.org/0000-0002-0135-8915"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Yuchao Zhang","raw_affiliation_strings":["Beijing University of Posts and Telecommunications,School of Computer Science (National Pilot Software Engineering School),Beijing,China"],"affiliations":[{"raw_affiliation_string":"Beijing University of Posts and Telecommunications,School of Computer Science (National Pilot Software Engineering School),Beijing,China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102749426","display_name":"Xiaotian Wang","orcid":"https://orcid.org/0000-0001-5597-015X"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaotian Wang","raw_affiliation_strings":["Beijing University of Posts and Telecommunications,School of Computer Science (National Pilot Software Engineering School),Beijing,China"],"affiliations":[{"raw_affiliation_string":"Beijing University of Posts and Telecommunications,School of Computer Science (National Pilot Software Engineering School),Beijing,China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5026136340","display_name":"Xiaofeng He","orcid":"https://orcid.org/0009-0003-6465-0707"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaofeng He","raw_affiliation_strings":["Beijing University of Posts and Telecommunications,School of Computer Science (National Pilot Software Engineering School),Beijing,China"],"affiliations":[{"raw_affiliation_string":"Beijing University of Posts and Telecommunications,School of Computer Science (National Pilot Software Engineering School),Beijing,China","institution_ids":["https://openalex.org/I139759216"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5100649609"],"corresponding_institution_ids":["https://openalex.org/I139759216"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.2571333,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"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/T10270","display_name":"Blockchain Technology Applications and Security","score":0.9926000237464905,"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"}},"topics":[{"id":"https://openalex.org/T10270","display_name":"Blockchain Technology Applications and Security","score":0.9926000237464905,"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/blockchain","display_name":"Blockchain","score":0.8650257587432861},{"id":"https://openalex.org/keywords/nexus","display_name":"Nexus (standard)","score":0.7993754744529724},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6272655725479126},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.374172568321228},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.156055748462677}],"concepts":[{"id":"https://openalex.org/C2779687700","wikidata":"https://www.wikidata.org/wiki/Q20514253","display_name":"Blockchain","level":2,"score":0.8650257587432861},{"id":"https://openalex.org/C148609458","wikidata":"https://www.wikidata.org/wiki/Q7021281","display_name":"Nexus (standard)","level":2,"score":0.7993754744529724},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6272655725479126},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.374172568321228},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.156055748462677}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/iwqos61813.2024.10682609","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iwqos61813.2024.10682609","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 IEEE/ACM 32nd International Symposium on Quality of Service (IWQoS)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320326444","display_name":"Nova","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":27,"referenced_works":["https://openalex.org/W95608104","https://openalex.org/W1545155892","https://openalex.org/W1610688607","https://openalex.org/W1836078613","https://openalex.org/W2003214215","https://openalex.org/W2073126252","https://openalex.org/W2088762523","https://openalex.org/W2112138431","https://openalex.org/W2126087831","https://openalex.org/W2794533297","https://openalex.org/W2944812228","https://openalex.org/W2982212956","https://openalex.org/W3170553340","https://openalex.org/W3185672164","https://openalex.org/W3198880945","https://openalex.org/W4220853208","https://openalex.org/W4283215940","https://openalex.org/W4308391463","https://openalex.org/W4310050096","https://openalex.org/W4313188989","https://openalex.org/W4364362023","https://openalex.org/W4386025574","https://openalex.org/W4386242146","https://openalex.org/W6632732049","https://openalex.org/W6678832241","https://openalex.org/W6759625968","https://openalex.org/W6802596373"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2748952813","https://openalex.org/W4210406818","https://openalex.org/W4306779889","https://openalex.org/W3211706803","https://openalex.org/W4382775358","https://openalex.org/W4246942721","https://openalex.org/W3209862047","https://openalex.org/W4386732777","https://openalex.org/W4304136894"],"abstract_inverted_index":{"Sharding":[0],"is":[1,107,178],"one":[2],"of":[3,29,105,123,144,176],"the":[4,10,18,38,49,99,142,167],"most":[5],"promising":[6],"solutions":[7],"to":[8,34,62,73,97,108,118,132],"tackle":[9],"well-known":[11],"scalability":[12],"issue":[13],"in":[14,37,135,166],"blockchain":[15],"by":[16,137],"dividing":[17],"network":[19],"into":[20],"multiple":[21],"parallel":[22,136],"committees.":[23],"However,":[24],"inefficient":[25],"and":[26,54,80,92,129,152,160,180,182,191,197],"insecure":[27],"handling":[28],"cross-shard":[30,64],"transactions":[31,65,156],"can":[32,163],"lead":[33],"a":[35,110,120,148],"decline":[36],"system":[39,78],"service":[40],"quality.":[41],"Existing":[42],"permissioned":[43,95],"blockchains":[44,96],"are":[45],"mainly":[46],"based":[47],"on":[48],"classic":[50],"two-phase":[51,55],"commit":[52],"(2PC)":[53],"locking":[56],"(2PL)":[57],"from":[58],"traditional":[59],"distributed":[60],"databases":[61],"implement":[63],"with":[66,157],"deterministic":[67],"safety,":[68],"but":[69],"this":[70,85],"also":[71],"leads":[72],"issues":[74],"such":[75],"as":[76],"decreased":[77],"throughput":[79,193],"frequent":[81],"transaction":[82,127],"aborts.":[83],"In":[84],"paper,":[86],"we":[87],"introduce":[88],"Nexus,":[89],"an":[90],"efficient":[91,149],"conflict-equivalent":[93],"sharded":[94],"overcome":[98],"aforementioned":[100],"challenges.":[101],"The":[102],"core":[103],"idea":[104],"Nexus":[106,140,177,187],"construct":[109],"directed":[111],"acyclic":[112],"graph":[113],"(DAG)":[114],"among":[115],"all":[116,155],"shards":[117],"establish":[119],"partial":[121],"order":[122,170],"blocks,":[124],"while":[125],"leaving":[126],"dissemination":[128],"final":[130],"ordering":[131,146],"be":[133,164],"completed":[134],"each":[138],"shard.":[139],"alleviate":[141],"overhead":[143],"global":[145],"through":[147],"consensus":[150],"process,":[151],"ensure":[153],"that":[154,186],"overlapping":[158],"read":[159],"write":[161],"sets":[162],"committed":[165],"same":[168],"relative":[169],"across":[171],"different":[172],"shards.":[173],"A":[174],"prototype":[175],"implemented":[179],"evaluated,":[181],"experimental":[183],"results":[184],"show":[185],"achieves":[188],"approximately":[189],"70%":[190],"50%":[192],"improvement":[194],"over":[195],"AHL":[196],"SharPer":[198],"under":[199],"default":[200],"settings.":[201]},"counts_by_year":[],"updated_date":"2025-12-19T19:40:27.379048","created_date":"2025-10-10T00:00:00"}