{"id":"https://openalex.org/W2139359217","doi":"https://doi.org/10.1145/1294261.1294267","title":"Zyzzyva: speculative byzantine fault tolerance","display_name":"Zyzzyva: speculative byzantine fault tolerance","publication_year":2007,"publication_date":"2007-10-14","ids":{"openalex":"https://openalex.org/W2139359217","doi":"https://doi.org/10.1145/1294261.1294267","mag":"2139359217"},"language":"en","primary_location":{"id":"doi:10.1145/1294261.1294267","doi":"https://doi.org/10.1145/1294261.1294267","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1294261.1294267","pdf_url":null,"source":{"id":"https://openalex.org/S7407089168","display_name":"ACM SIGOPS Symposium on Operating Systems Principles (SOSP)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of twenty-first ACM SIGOPS symposium on Operating systems principles","raw_type":"proceedings-article"},"parent_works":[],"lineage":["https://openalex.org/W2139359217"],"child_works_count":0,"type":"conference-paper","is_traditional":true,"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/A5066623526","display_name":"Ramakrishna Kotla","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I86519309","display_name":"The University of Texas at Austin","ror":"https://ror.org/00hj54h04","country_code":"US","type":"education","lineage":["https://openalex.org/I86519309"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Ramakrishna Kotla","raw_affiliation_strings":["University of Texas at Austin, Austin, TX"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Texas at Austin, Austin, TX","institution_ids":["https://openalex.org/I86519309"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048612724","display_name":"Lorenzo Alvisi","orcid":"https://orcid.org/0000-0002-9857-5528","observed_orcids":["https://orcid.org/0000-0002-9857-5528"]},"institutions":[{"id":"https://openalex.org/I86519309","display_name":"The University of Texas at Austin","ror":"https://ror.org/00hj54h04","country_code":"US","type":"education","lineage":["https://openalex.org/I86519309"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Lorenzo Alvisi","raw_affiliation_strings":["University of Texas at Austin, Austin, TX"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Texas at Austin, Austin, TX","institution_ids":["https://openalex.org/I86519309"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113625882","display_name":"Mike Dahlin","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I86519309","display_name":"The University of Texas at Austin","ror":"https://ror.org/00hj54h04","country_code":"US","type":"education","lineage":["https://openalex.org/I86519309"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Mike Dahlin","raw_affiliation_strings":["University of Texas at Austin, Austin, TX"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Texas at Austin, Austin, TX","institution_ids":["https://openalex.org/I86519309"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5061077761","display_name":"Allen Clement","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I86519309","display_name":"The University of Texas at Austin","ror":"https://ror.org/00hj54h04","country_code":"US","type":"education","lineage":["https://openalex.org/I86519309"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Allen Clement","raw_affiliation_strings":["University of Texas at Austin, Austin, TX"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Texas at Austin, Austin, TX","institution_ids":["https://openalex.org/I86519309"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5111946963","display_name":"Edmund L. Wong","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I86519309","display_name":"The University of Texas at Austin","ror":"https://ror.org/00hj54h04","country_code":"US","type":"education","lineage":["https://openalex.org/I86519309"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Edmund Wong","raw_affiliation_strings":["University of Texas at Austin, Austin, TX"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Texas at Austin, Austin, TX","institution_ids":["https://openalex.org/I86519309"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I86519309"],"apc_list":null,"apc_paid":null,"fwci":21.6032,"has_fulltext":false,"cited_by_count":670,"citation_normalized_percentile":{"value":0.99728201,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":99,"max":100},"biblio":{"volume":null,"issue":null,"first_page":"45","last_page":"58"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10772","display_name":"Distributed systems and fault tolerance","score":1.0,"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/T10772","display_name":"Distributed systems and fault tolerance","score":1.0,"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/T10317","display_name":"Advanced Database Systems and Queries","score":0.0,"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"}},{"id":"https://openalex.org/T12127","display_name":"Software System Performance and Reliability","score":0.0,"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/byzantine-fault-tolerance","display_name":"Byzantine fault tolerance","score":0.878000020980835},{"id":"https://openalex.org/keywords/state-machine-replication","display_name":"state machine replication","score":0.996999979019165},{"id":"https://openalex.org/keywords/speculation","display_name":"speculation","score":0.48500001430511475},{"id":"https://openalex.org/keywords/optimistic-replication","display_name":"optimistic replication","score":0.6819999814033508},{"id":"https://openalex.org/keywords/replication-overhead","display_name":"replication overhead","score":0.6859999895095825}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8325421810150146},{"id":"https://openalex.org/C153180980","wikidata":"https://www.wikidata.org/wiki/Q19776675","display_name":"Commit","level":2,"score":0.7429972290992737},{"id":"https://openalex.org/C2780385302","wikidata":"https://www.wikidata.org/wiki/Q367158","display_name":"Protocol (science)","level":3,"score":0.6643140316009521},{"id":"https://openalex.org/C12590798","wikidata":"https://www.wikidata.org/wiki/Q3933199","display_name":"Replication (statistics)","level":2,"score":0.6316280364990234},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.5626111626625061},{"id":"https://openalex.org/C168021876","wikidata":"https://www.wikidata.org/wiki/Q1353446","display_name":"Byzantine fault tolerance","level":3,"score":0.5621147751808167},{"id":"https://openalex.org/C47941915","wikidata":"https://www.wikidata.org/wiki/Q107885","display_name":"Speculation","level":2,"score":0.44952574372291565},{"id":"https://openalex.org/C182306322","wikidata":"https://www.wikidata.org/wiki/Q1779371","display_name":"Order (exchange)","level":2,"score":0.435813844203949},{"id":"https://openalex.org/C48103436","wikidata":"https://www.wikidata.org/wiki/Q599031","display_name":"State (computer science)","level":2,"score":0.41622117161750793},{"id":"https://openalex.org/C63540848","wikidata":"https://www.wikidata.org/wiki/Q3140932","display_name":"Fault tolerance","level":2,"score":0.4101657271385193},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3852355182170868},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.13218992948532104},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.10610812902450562},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","level":1,"score":0.0},{"id":"https://openalex.org/C139719470","wikidata":"https://www.wikidata.org/wiki/Q39680","display_name":"Macroeconomics","level":1,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0},{"id":"https://openalex.org/C204787440","wikidata":"https://www.wikidata.org/wiki/Q188504","display_name":"Alternative medicine","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/1294261.1294267","doi":"https://doi.org/10.1145/1294261.1294267","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1294261.1294267","pdf_url":null,"source":{"id":"https://openalex.org/S7407089168","display_name":"ACM SIGOPS Symposium on Operating Systems Principles (SOSP)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of twenty-first ACM SIGOPS symposium on Operating systems principles","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":53,"referenced_works":["https://openalex.org/W201372435","https://openalex.org/W1495653136","https://openalex.org/W1540879848","https://openalex.org/W1540902136","https://openalex.org/W1565495482","https://openalex.org/W1971991620","https://openalex.org/W1995626000","https://openalex.org/W2003214215","https://openalex.org/W2035362408","https://openalex.org/W2047418149","https://openalex.org/W2053903896","https://openalex.org/W2058322902","https://openalex.org/W2061819031","https://openalex.org/W2075854425","https://openalex.org/W2077409330","https://openalex.org/W2080288192","https://openalex.org/W2088221489","https://openalex.org/W2097829252","https://openalex.org/W2099323800","https://openalex.org/W2101939036","https://openalex.org/W2112161048","https://openalex.org/W2114579022","https://openalex.org/W2117289367","https://openalex.org/W2117441593","https://openalex.org/W2118033476","https://openalex.org/W2119565742","https://openalex.org/W2121510533","https://openalex.org/W2122142939","https://openalex.org/W2124877509","https://openalex.org/W2126087831","https://openalex.org/W2126789306","https://openalex.org/W2126924915","https://openalex.org/W2129467152","https://openalex.org/W2138509363","https://openalex.org/W2147081775","https://openalex.org/W2147243385","https://openalex.org/W2147524598","https://openalex.org/W2152465173","https://openalex.org/W2157762234","https://openalex.org/W2167338470","https://openalex.org/W2168393938","https://openalex.org/W2169213530","https://openalex.org/W2295705535","https://openalex.org/W2620706897","https://openalex.org/W2913598742","https://openalex.org/W3137092842","https://openalex.org/W3137220996","https://openalex.org/W3151869053","https://openalex.org/W4210484371","https://openalex.org/W4238954116","https://openalex.org/W4240948426","https://openalex.org/W4245671428","https://openalex.org/W4285719527"],"related_works":["https://openalex.org/W7096841160","https://openalex.org/W2100329241","https://openalex.org/W4240948426","https://openalex.org/W7095282407","https://openalex.org/W2022742564","https://openalex.org/W2117441593","https://openalex.org/W7099688922","https://openalex.org/W7100573006","https://openalex.org/W2106788320","https://openalex.org/W6927217709"],"abstract_inverted_index":{"We":[0],"present":[1],"Zyzzyva,":[2,24],"a":[3,28,86],"protocol":[4,38],"that":[5,97],"uses":[6],"speculation":[7],"to":[8,27,39,65,108,112],"reduce":[9,109],"the":[10,14,43,47,56,60,66],"cost":[11],"and":[12,62,92],"simplify":[13],"design":[15],"of":[16,90],"Byzantine":[17],"fault":[18],"tolerant":[19],"state":[20],"machine":[21],"replication.":[22],"In":[23],"replicas":[25,83],"respond":[26,63],"client's":[29],"request":[30,48],"without":[31],"first":[32],"running":[33],"an":[34],"expensive":[35],"three-phase":[36],"commit":[37],"reach":[40],"agreement":[41],"on":[42,85,95],"order":[44,57],"in":[45],"which":[46],"must":[49],"be":[50],"processed.":[51],"Instead,":[52],"they":[53],"optimistically":[54],"adopt":[55],"proposed":[58],"by":[59],"primary":[61],"immediately":[64],"client.":[67],"Replicas":[68],"can":[69],"thus":[70],"become":[71],"temporarily":[72],"inconsistent":[73],"with":[74,100],"one":[75],"another,":[76],"but":[77],"clients":[78],"detect":[79],"inconsistencies,":[80],"help":[81],"correct":[82],"converge":[84],"single":[87],"total":[88,102],"ordering":[89],"requests,":[91],"only":[93],"rely":[94],"responses":[96],"are":[98],"consistent":[99],"this":[101],"order.":[103],"This":[104],"approach":[105],"allows":[106],"Zyzzyva":[107],"replication":[110],"overheads":[111],"near":[113],"their":[114],"theoretical":[115],"minimal.":[116]},"counts_by_year":[{"year":2026,"cited_by_count":23},{"year":2025,"cited_by_count":19},{"year":2024,"cited_by_count":23},{"year":2023,"cited_by_count":49},{"year":2022,"cited_by_count":25},{"year":2021,"cited_by_count":59},{"year":2020,"cited_by_count":65},{"year":2019,"cited_by_count":61},{"year":2018,"cited_by_count":33},{"year":2017,"cited_by_count":28},{"year":2016,"cited_by_count":35},{"year":2015,"cited_by_count":26},{"year":2014,"cited_by_count":33},{"year":2013,"cited_by_count":20},{"year":2012,"cited_by_count":30}],"updated_date":"2026-11-14T11:04:58.165337","created_date":"2016-06-24T00:00:00"}
