{"id":"https://openalex.org/W7161608776","doi":"https://doi.org/10.48550/arxiv.2605.16255","title":"Designing Datacenter Power Delivery Hierarchies for the AI Era","display_name":"Designing Datacenter Power Delivery Hierarchies for the AI Era","publication_year":2026,"publication_date":"2026-05-15","ids":{"openalex":"https://openalex.org/W7161608776","doi":"https://doi.org/10.48550/arxiv.2605.16255"},"language":null,"primary_location":{"id":"doi:10.48550/arxiv.2605.16255","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2605.16255","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":null,"license_id":null,"version":null,"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":"https://doi.org/10.48550/arxiv.2605.16255","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5087148095","display_name":"Grant Wilkins","orcid":"https://orcid.org/0000-0001-9126-0673"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Wilkins, Grant","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5005485274","display_name":"Fiodar Kazhamiaka","orcid":"https://orcid.org/0000-0002-0798-5151"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Kazhamiaka, Fiodar","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5116235796","display_name":"Alok Gautam Kumbhare","orcid":"https://orcid.org/0000-0001-5433-4688"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Kumbhare, Alok Gautam","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5136367248","display_name":"Chaojie Zhang","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Zhang, Chaojie","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5089615986","display_name":"Ricardo Bianchini","orcid":"https://orcid.org/0000-0001-5971-5084"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Bianchini, Ricardo","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":5,"corresponding_author_ids":[],"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/T10101","display_name":"Cloud Computing and Resource Management","score":0.5769000053405762,"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/T10101","display_name":"Cloud Computing and Resource Management","score":0.5769000053405762,"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/T10714","display_name":"Software-Defined Networks and 5G","score":0.2786000072956085,"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/T11181","display_name":"Advanced Data Storage Technologies","score":0.0215000007301569,"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/software-deployment","display_name":"Software deployment","score":0.744700014591217},{"id":"https://openalex.org/keywords/workload","display_name":"Workload","score":0.5608999729156494},{"id":"https://openalex.org/keywords/hierarchy","display_name":"Hierarchy","score":0.49459999799728394},{"id":"https://openalex.org/keywords/upgrade","display_name":"Upgrade","score":0.4945000112056732},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.45899999141693115},{"id":"https://openalex.org/keywords/data-center","display_name":"Data center","score":0.4496000111103058},{"id":"https://openalex.org/keywords/resource","display_name":"Resource (disambiguation)","score":0.4410000145435333},{"id":"https://openalex.org/keywords/server","display_name":"Server","score":0.4239000082015991},{"id":"https://openalex.org/keywords/nuclear-decommissioning","display_name":"Nuclear decommissioning","score":0.37770000100135803}],"concepts":[{"id":"https://openalex.org/C105339364","wikidata":"https://www.wikidata.org/wiki/Q2297740","display_name":"Software deployment","level":2,"score":0.744700014591217},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5839999914169312},{"id":"https://openalex.org/C2778476105","wikidata":"https://www.wikidata.org/wiki/Q628539","display_name":"Workload","level":2,"score":0.5608999729156494},{"id":"https://openalex.org/C31170391","wikidata":"https://www.wikidata.org/wiki/Q188619","display_name":"Hierarchy","level":2,"score":0.49459999799728394},{"id":"https://openalex.org/C2780615140","wikidata":"https://www.wikidata.org/wiki/Q920419","display_name":"Upgrade","level":2,"score":0.4945000112056732},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.45899999141693115},{"id":"https://openalex.org/C153740404","wikidata":"https://www.wikidata.org/wiki/Q671224","display_name":"Data center","level":2,"score":0.4496000111103058},{"id":"https://openalex.org/C206345919","wikidata":"https://www.wikidata.org/wiki/Q20380951","display_name":"Resource (disambiguation)","level":2,"score":0.4410000145435333},{"id":"https://openalex.org/C93996380","wikidata":"https://www.wikidata.org/wiki/Q44127","display_name":"Server","level":2,"score":0.4239000082015991},{"id":"https://openalex.org/C200601418","wikidata":"https://www.wikidata.org/wiki/Q2193887","display_name":"Reliability engineering","level":1,"score":0.42250001430511475},{"id":"https://openalex.org/C175349315","wikidata":"https://www.wikidata.org/wiki/Q1938123","display_name":"Nuclear decommissioning","level":2,"score":0.37770000100135803},{"id":"https://openalex.org/C201995342","wikidata":"https://www.wikidata.org/wiki/Q682496","display_name":"Systems engineering","level":1,"score":0.36570000648498535},{"id":"https://openalex.org/C89227174","wikidata":"https://www.wikidata.org/wiki/Q2388981","display_name":"Electric power system","level":3,"score":0.35040000081062317},{"id":"https://openalex.org/C2776843527","wikidata":"https://www.wikidata.org/wiki/Q1351382","display_name":"Rack","level":2,"score":0.31360000371932983},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.3082999885082245},{"id":"https://openalex.org/C29202148","wikidata":"https://www.wikidata.org/wiki/Q287260","display_name":"Resource allocation","level":2,"score":0.30809998512268066},{"id":"https://openalex.org/C2781007418","wikidata":"https://www.wikidata.org/wiki/Q1456934","display_name":"Capacity planning","level":2,"score":0.30469998717308044},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.29910001158714294},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.2971999943256378},{"id":"https://openalex.org/C165064840","wikidata":"https://www.wikidata.org/wiki/Q1321061","display_name":"Matching (statistics)","level":2,"score":0.28859999775886536},{"id":"https://openalex.org/C44154836","wikidata":"https://www.wikidata.org/wiki/Q45045","display_name":"Simulation","level":1,"score":0.2858999967575073},{"id":"https://openalex.org/C2777693866","wikidata":"https://www.wikidata.org/wiki/Q359099","display_name":"Blackout","level":4,"score":0.2824999988079071},{"id":"https://openalex.org/C187691185","wikidata":"https://www.wikidata.org/wiki/Q2020720","display_name":"Grid","level":2,"score":0.27730000019073486},{"id":"https://openalex.org/C75684735","wikidata":"https://www.wikidata.org/wiki/Q858810","display_name":"Big data","level":2,"score":0.2741999924182892},{"id":"https://openalex.org/C2164484","wikidata":"https://www.wikidata.org/wiki/Q5170150","display_name":"Core (optical fiber)","level":2,"score":0.273499995470047},{"id":"https://openalex.org/C61423126","wikidata":"https://www.wikidata.org/wiki/Q187432","display_name":"Scripting language","level":2,"score":0.2687000036239624},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.26829999685287476},{"id":"https://openalex.org/C57493831","wikidata":"https://www.wikidata.org/wiki/Q3134666","display_name":"Projection (relational algebra)","level":2,"score":0.26179999113082886},{"id":"https://openalex.org/C14518398","wikidata":"https://www.wikidata.org/wiki/Q12646543","display_name":"Power to gas","level":5,"score":0.25769999623298645},{"id":"https://openalex.org/C40293303","wikidata":"https://www.wikidata.org/wiki/Q27137","display_name":"Electric power","level":3,"score":0.2556000053882599},{"id":"https://openalex.org/C118993495","wikidata":"https://www.wikidata.org/wiki/Q5042828","display_name":"Electrical efficiency","level":3,"score":0.2535000145435333},{"id":"https://openalex.org/C2778774385","wikidata":"https://www.wikidata.org/wiki/Q4437810","display_name":"Power management","level":3,"score":0.2531000077724457}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.48550/arxiv.2605.16255","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2605.16255","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":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"article"}],"best_oa_location":{"id":"doi:10.48550/arxiv.2605.16255","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2605.16255","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":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Demand":[0],"for":[1,23,35,93,152,176],"AI":[2,85,217,223],"accelerators":[3],"is":[4,72,79,97,230],"rapidly":[5],"increasing":[6],"rack":[7,100],"power":[8,25,29,51,77,90,116,155],"density,":[9],"with":[10,182],"projections":[11],"approaching":[12],"1MW":[13],"per":[14],"deployment":[15,112],"by":[16],"2027.":[17],"This":[18],"poses":[19],"a":[20,32,36,80,150],"major":[21],"challenge":[22],"datacenter":[24,33,64,154,224],"delivery":[26,54,91,156],"designers.":[27],"As":[28],"densities":[30],"increase,":[31],"designed":[34],"different":[37],"target":[38],"density":[39,212],"may":[40,44],"strand":[41],"power,":[42,160],"i.e.,":[43],"be":[45],"unable":[46],"to":[47,141],"use":[48],"all":[49],"the":[50,84,94,226],"that":[52,195],"its":[53],"hierarchy":[55,92],"has":[56],"provisioned.":[57],"Designs":[58],"must":[59],"remain":[60],"efficient":[61,89],"over":[62,127,164,237],"long":[63,95],"lifetimes":[65],"and":[66,105,118,135,161,168,179,205,208,215],"multiple":[67,132],"hardware":[68],"generations.":[69],"Power":[70],"utilization":[71],"particularly":[73],"important":[74],"as":[75],"grid":[76],"capacity":[78,236],"scarce":[81],"resource":[82,133],"in":[83,186],"era.":[86],"Designing":[87],"an":[88],"run":[96],"difficult":[98],"because":[99],"placement":[101,114],"feasibility,":[102],"workload":[103,119],"impact,":[104],"cost":[106,162],"depend":[107],"jointly":[108],"on":[109],"electrical":[110],"topology,":[111],"granularity,":[113],"policy,":[115],"oversubscription,":[117,167],"mix.":[120],"Moreover,":[121],"each":[122],"of":[123],"these":[124,220],"factors":[125,184],"evolve":[126],"time,":[128],"have":[129],"inter-dependencies":[130],"across":[131],"dimensions,":[134],"generally":[136],"do":[137],"not":[138,231],"lend":[139],"themselves":[140],"closed-form":[142],"analysis.":[143],"To":[144],"address":[145],"this":[146],"challenge,":[147],"we":[148],"develop":[149],"framework":[151,172],"evaluating":[153],"designs":[157],"using":[158],"throughput,":[159],"metrics":[163],"realistic":[165],"arrival,":[166],"decommissioning":[169],"sequences.":[170],"The":[171],"combines":[173],"projection":[174],"models":[175],"GPU,":[177],"compute,":[178],"storage":[180],"deployments":[181],"operational":[183],"grounded":[185],"production":[187],"data":[188],"from":[189,213],"Microsoft":[190],"Azure.":[191],"Our":[192],"results":[193],"show":[194],"multi-resource":[196],"stranding":[197],"materially":[198],"changes":[199],"deployable":[200,235],"capacity,":[201],"effective":[202],"capital":[203],"expenditure,":[204],"delivered":[206],"performance,":[207],"quantify":[209],"how":[210],"rising":[211],"rack-":[214],"pod-scale":[216],"systems":[218],"shapes":[219],"outcomes.":[221],"For":[222],"design,":[225],"relevant":[227],"planning":[228],"objective":[229],"installed":[232],"megawatts,":[233],"but":[234],"time.":[238]},"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2026-05-19T00:00:00"}