{"id":"https://openalex.org/W7134848338","doi":"https://doi.org/10.48550/arxiv.2603.07345","title":"Uber's Failover Architecture: Reconciling Reliability and Efficiency in Hyperscale Microservice Infrastructure","display_name":"Uber's Failover Architecture: Reconciling Reliability and Efficiency in Hyperscale Microservice Infrastructure","publication_year":2026,"publication_date":"2026-03-07","ids":{"openalex":"https://openalex.org/W7134848338","doi":"https://doi.org/10.48550/arxiv.2603.07345"},"language":null,"primary_location":{"id":"pmh:doi:10.48550/arxiv.2603.07345","is_oa":true,"landing_page_url":null,"pdf_url":null,"source":{"id":"https://openalex.org/S4406922384","display_name":"Open MIND","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":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Article"},"type":"preprint","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":null,"any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5128655137","display_name":"Mayank Bansal","orcid":null},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Bansal, Mayank","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5055733971","display_name":"Milind Chabbi","orcid":"https://orcid.org/0000-0003-1021-7644"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Chabbi, Milind","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5043671238","display_name":"Kenneth S. B\u00f8gh","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Bogh, Kenneth","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5128632254","display_name":"Srikanth Prodduturi","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Prodduturi, Srikanth","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102153874","display_name":"Kevin Xu","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Xu, Kevin","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5128685519","display_name":"Amit Kumar","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Kumar, Amit","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5128684507","display_name":"David Bell","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Bell, David","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5128681815","display_name":"Ranjib Dey","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Dey, Ranjib","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5128652401","display_name":"Yufei Ren","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ren, Yufei","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5128634678","display_name":"Sachin Sharma","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Sharma, Sachin","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5125408303","display_name":"Juan Marcano","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Marcano, Juan","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5128686907","display_name":"Shriniket Kale","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Kale, Shriniket","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5040231575","display_name":"Subhav Pradhan","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Pradhan, Subhav","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064061802","display_name":"Ivan Beschastnikh","orcid":"https://orcid.org/0000-0003-1676-8834"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Beschastnikh, Ivan","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5128632253","display_name":"Miguel Covarrubias","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Covarrubias, Miguel","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5128646440","display_name":"Chien-Chih Liao","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Liao, Chien-Chih","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5128651143","display_name":"Sandeep Koushik Sheshadri","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Sheshadri, Sandeep Koushik","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5128689941","display_name":"Wen Luo","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Luo, Wen","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5128683756","display_name":"Kai Song","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Song, Kai","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5125405060","display_name":"Ashish Samant","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Samant, Ashish","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5128675347","display_name":"Sahil Rihan","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Rihan, Sahil","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037594407","display_name":"Nimish Sheth","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Sheth, Nimish","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5128685318","display_name":"Uday Kiran Medisetty","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Medisetty, Uday Kiran","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":23,"corresponding_author_ids":["https://openalex.org/A5128655137"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12127","display_name":"Software System Performance and Reliability","score":0.9914000034332275,"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/T12127","display_name":"Software System Performance and Reliability","score":0.9914000034332275,"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":0.003599999938160181,"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/T12203","display_name":"Mobile Agent-Based Network Management","score":0.0006000000284984708,"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/failover","display_name":"Failover","score":0.9879999756813049},{"id":"https://openalex.org/keywords/provisioning","display_name":"Provisioning","score":0.605400025844574},{"id":"https://openalex.org/keywords/reliability","display_name":"Reliability (semiconductor)","score":0.5813000202178955},{"id":"https://openalex.org/keywords/service","display_name":"Service (business)","score":0.45329999923706055},{"id":"https://openalex.org/keywords/dependency","display_name":"Dependency (UML)","score":0.42480000853538513},{"id":"https://openalex.org/keywords/high-availability","display_name":"High availability","score":0.40630000829696655},{"id":"https://openalex.org/keywords/capacity-planning","display_name":"Capacity planning","score":0.3783999979496002},{"id":"https://openalex.org/keywords/baseline","display_name":"Baseline (sea)","score":0.34150001406669617}],"concepts":[{"id":"https://openalex.org/C109751979","wikidata":"https://www.wikidata.org/wiki/Q998767","display_name":"Failover","level":2,"score":0.9879999756813049},{"id":"https://openalex.org/C172191483","wikidata":"https://www.wikidata.org/wiki/Q1071806","display_name":"Provisioning","level":2,"score":0.605400025844574},{"id":"https://openalex.org/C43214815","wikidata":"https://www.wikidata.org/wiki/Q7310987","display_name":"Reliability (semiconductor)","level":3,"score":0.5813000202178955},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5681999921798706},{"id":"https://openalex.org/C2780378061","wikidata":"https://www.wikidata.org/wiki/Q25351891","display_name":"Service (business)","level":2,"score":0.45329999923706055},{"id":"https://openalex.org/C19768560","wikidata":"https://www.wikidata.org/wiki/Q320727","display_name":"Dependency (UML)","level":2,"score":0.42480000853538513},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.41179999709129333},{"id":"https://openalex.org/C65813073","wikidata":"https://www.wikidata.org/wiki/Q1622420","display_name":"High availability","level":2,"score":0.40630000829696655},{"id":"https://openalex.org/C2781007418","wikidata":"https://www.wikidata.org/wiki/Q1456934","display_name":"Capacity planning","level":2,"score":0.3783999979496002},{"id":"https://openalex.org/C12725497","wikidata":"https://www.wikidata.org/wiki/Q810247","display_name":"Baseline (sea)","level":2,"score":0.34150001406669617},{"id":"https://openalex.org/C2778755073","wikidata":"https://www.wikidata.org/wiki/Q10858537","display_name":"Scale (ratio)","level":2,"score":0.3334999978542328},{"id":"https://openalex.org/C2779585090","wikidata":"https://www.wikidata.org/wiki/Q3457762","display_name":"Resilience (materials science)","level":2,"score":0.33169999718666077},{"id":"https://openalex.org/C29852176","wikidata":"https://www.wikidata.org/wiki/Q373338","display_name":"Critical infrastructure","level":2,"score":0.3133000135421753},{"id":"https://openalex.org/C57041688","wikidata":"https://www.wikidata.org/wiki/Q220644","display_name":"Service-oriented architecture","level":3,"score":0.310699999332428},{"id":"https://openalex.org/C1273860","wikidata":"https://www.wikidata.org/wiki/Q2517710","display_name":"Diseconomies of scale","level":3,"score":0.3100000023841858},{"id":"https://openalex.org/C116537","wikidata":"https://www.wikidata.org/wiki/Q2169973","display_name":"Service provider","level":3,"score":0.29899999499320984},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.2809999883174896},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.2750000059604645},{"id":"https://openalex.org/C123657996","wikidata":"https://www.wikidata.org/wiki/Q12271","display_name":"Architecture","level":2,"score":0.26919999718666077},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.2615000009536743},{"id":"https://openalex.org/C200601418","wikidata":"https://www.wikidata.org/wiki/Q2193887","display_name":"Reliability engineering","level":1,"score":0.2606000006198883},{"id":"https://openalex.org/C14036430","wikidata":"https://www.wikidata.org/wiki/Q3736076","display_name":"Function (biology)","level":2,"score":0.25769999623298645}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:doi:10.48550/arxiv.2603.07345","is_oa":true,"landing_page_url":null,"pdf_url":null,"source":{"id":"https://openalex.org/S4406922384","display_name":"Open MIND","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":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Article"},{"id":"doi:10.48550/arxiv.2603.07345","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2603.07345","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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"article"}],"best_oa_location":{"id":"pmh:doi:10.48550/arxiv.2603.07345","is_oa":true,"landing_page_url":null,"pdf_url":null,"source":{"id":"https://openalex.org/S4406922384","display_name":"Open MIND","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":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Article"},"sustainable_development_goals":[{"display_name":"Industry, innovation and infrastructure","id":"https://metadata.un.org/sdg/9","score":0.6422377228736877}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Operating":[0],"a":[1,21,53,159],"global,":[2],"real-time":[3],"platform":[4],"at":[5],"Uber's":[6,42],"scale":[7],"requires":[8],"infrastructure":[9],"that":[10],"is":[11,123],"both":[12],"resilient":[13],"and":[14,89,105],"cost-efficient.":[15],"Historically,":[16],"reliability":[17],"was":[18],"ensured":[19],"through":[20],"costly":[22],"2x":[23,50,130],"capacity":[24,72],"model--each":[25],"service":[26],"provisioned":[27],"to":[28,57,112,131,137],"handle":[29],"global":[30],"traffic":[31],"independently":[32],"across":[33],"two":[34],"regions--leaving":[35],"half":[36],"the":[37,48],"fleet":[38],"idle.":[39],"We":[40],"present":[41],"Failover":[43],"Architecture":[44],"(UFA),":[45],"which":[46],"replaces":[47],"uniform":[49],"model":[51],"with":[52,92],"differentiated":[54,93],"architecture":[55],"aligned":[56],"business":[58],"criticality.":[59],"Critical":[60],"services":[61,67,76,85,110,117],"retain":[62],"failover":[63,70],"guarantees,":[64],"while":[65,115,139],"non-critical":[66,84,116],"opportunistically":[68],"use":[69],"buffer":[71],"reserved":[73],"for":[74],"critical":[75,109],"during":[77],"steady":[78],"state.":[79],"During":[80],"rare":[81],"\"full-peak\"":[82],"failovers,":[83],"are":[86,118],"selectively":[87],"preempted":[88],"rapidly":[90],"restored,":[91],"Service-Level":[94],"Agreements":[95],"(SLAs)":[96],"using":[97],"on-demand":[98],"capacity.":[99],"Automated":[100],"safeguards,":[101],"including":[102],"dependency":[103],"analysis":[104],"regression":[106],"gates,":[107],"ensure":[108],"continue":[111],"function":[113],"even":[114],"unavailable.":[119],"The":[120],"quantitative":[121],"impact":[122],"significant:":[124],"UFA":[125,145],"reduces":[126],"steady-state":[127],"provisioning":[128],"from":[129,135,158],"1.3x,":[132],"raising":[133],"utilization":[134],"~20%":[136],"~30%":[138],"sustaining":[140],"99.97%":[141],"availability.":[142],"To":[143],"date,":[144],"has":[146],"hardened":[147],"over":[148,153],"4,000":[149],"unsafe":[150],"dependencies,":[151],"eliminated":[152],"one":[154],"million":[155,164],"CPU":[156],"cores":[157],"baseline":[160],"of":[161],"about":[162],"four":[163],"cores.":[165]},"counts_by_year":[],"updated_date":"2026-05-05T08:41:31.759640","created_date":"2026-03-11T00:00:00"}
