{"id":"https://openalex.org/W4283218949","doi":"https://doi.org/10.1109/infocom48880.2022.9796921","title":"Fast and Heavy Disjoint Weighted Matchings for Demand-Aware Datacenter Topologies","display_name":"Fast and Heavy Disjoint Weighted Matchings for Demand-Aware Datacenter Topologies","publication_year":2022,"publication_date":"2022-05-02","ids":{"openalex":"https://openalex.org/W4283218949","doi":"https://doi.org/10.1109/infocom48880.2022.9796921"},"language":"en","primary_location":{"id":"doi:10.1109/infocom48880.2022.9796921","is_oa":false,"landing_page_url":"https://doi.org/10.1109/infocom48880.2022.9796921","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE INFOCOM 2022 - IEEE Conference on Computer Communications","raw_type":"proceedings-article"},"type":"conference-paper","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/A5050323867","display_name":"Kathrin Hanauer","orcid":"https://orcid.org/0000-0002-5945-837X"},"institutions":[{"id":"https://openalex.org/I129774422","display_name":"University of Vienna","ror":"https://ror.org/03prydq77","country_code":"AT","type":"education","lineage":["https://openalex.org/I129774422"]}],"countries":["AT"],"is_corresponding":false,"raw_author_name":"Kathrin Hanauer","raw_affiliation_strings":["University of Vienna,Faculty of Computer Science,Austria","Faculty of Computer Science, University of Vienna, Austria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Vienna,Faculty of Computer Science,Austria","institution_ids":["https://openalex.org/I129774422"]},{"raw_affiliation_string":"Faculty of Computer Science, University of Vienna, Austria","institution_ids":["https://openalex.org/I129774422"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003641345","display_name":"Monika Henzinger","orcid":"https://orcid.org/0000-0002-5008-6530"},"institutions":[{"id":"https://openalex.org/I129774422","display_name":"University of Vienna","ror":"https://ror.org/03prydq77","country_code":"AT","type":"education","lineage":["https://openalex.org/I129774422"]}],"countries":["AT"],"is_corresponding":false,"raw_author_name":"Monika Henzinger","raw_affiliation_strings":["University of Vienna,Faculty of Computer Science,Austria","Faculty of Computer Science, University of Vienna, Austria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Vienna,Faculty of Computer Science,Austria","institution_ids":["https://openalex.org/I129774422"]},{"raw_affiliation_string":"Faculty of Computer Science, University of Vienna, Austria","institution_ids":["https://openalex.org/I129774422"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066080641","display_name":"Stefan Schmid","orcid":"https://orcid.org/0000-0002-7798-1711"},"institutions":[{"id":"https://openalex.org/I129774422","display_name":"University of Vienna","ror":"https://ror.org/03prydq77","country_code":"AT","type":"education","lineage":["https://openalex.org/I129774422"]},{"id":"https://openalex.org/I4577782","display_name":"Technische Universit\u00e4t Berlin","ror":"https://ror.org/03v4gjf40","country_code":"DE","type":"education","lineage":["https://openalex.org/I4577782"]}],"countries":["AT","DE"],"is_corresponding":false,"raw_author_name":"Stefan Schmid","raw_affiliation_strings":["University of Vienna,Faculty of Computer Science,Austria","Faculty of Computer Science, University of Vienna, Austria","TU Berlin, Berlin, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Vienna,Faculty of Computer Science,Austria","institution_ids":["https://openalex.org/I129774422"]},{"raw_affiliation_string":"Faculty of Computer Science, University of Vienna, Austria","institution_ids":["https://openalex.org/I129774422"]},{"raw_affiliation_string":"TU Berlin, Berlin, Germany","institution_ids":["https://openalex.org/I4577782"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5018005466","display_name":"Jonathan Trummer","orcid":"https://orcid.org/0000-0002-1086-4756"},"institutions":[{"id":"https://openalex.org/I129774422","display_name":"University of Vienna","ror":"https://ror.org/03prydq77","country_code":"AT","type":"education","lineage":["https://openalex.org/I129774422"]}],"countries":["AT"],"is_corresponding":false,"raw_author_name":"Jonathan Trummer","raw_affiliation_strings":["University of Vienna,Faculty of Computer Science,Austria","Faculty of Computer Science, University of Vienna, Austria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Vienna,Faculty of Computer Science,Austria","institution_ids":["https://openalex.org/I129774422"]},{"raw_affiliation_string":"Faculty of Computer Science, University of Vienna, Austria","institution_ids":["https://openalex.org/I129774422"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":3.3041,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.93066667,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"1649","last_page":"1658"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10847","display_name":"Advanced Optical Network Technologies","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10847","display_name":"Advanced Optical Network Technologies","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10101","display_name":"Cloud Computing and Resource Management","score":0.9997000098228455,"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/T10829","display_name":"Interconnection Networks and Systems","score":0.9997000098228455,"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/computer-science","display_name":"Computer science","score":0.7722756862640381},{"id":"https://openalex.org/keywords/disjoint-sets","display_name":"Disjoint sets","score":0.667695939540863},{"id":"https://openalex.org/keywords/network-topology","display_name":"Network topology","score":0.6483269929885864},{"id":"https://openalex.org/keywords/enhanced-data-rates-for-gsm-evolution","display_name":"Enhanced Data Rates for GSM Evolution","score":0.6315368413925171},{"id":"https://openalex.org/keywords/exploit","display_name":"Exploit","score":0.6105684041976929},{"id":"https://openalex.org/keywords/matching","display_name":"Matching (statistics)","score":0.5912891030311584},{"id":"https://openalex.org/keywords/node","display_name":"Node (physics)","score":0.49782705307006836},{"id":"https://openalex.org/keywords/approximation-algorithm","display_name":"Approximation algorithm","score":0.44247862696647644},{"id":"https://openalex.org/keywords/benchmark","display_name":"Benchmark (surveying)","score":0.4396514892578125},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.4242514967918396},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3143959939479828},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.23833197355270386},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.15663087368011475},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.12575414776802063}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7722756862640381},{"id":"https://openalex.org/C45340560","wikidata":"https://www.wikidata.org/wiki/Q215382","display_name":"Disjoint sets","level":2,"score":0.667695939540863},{"id":"https://openalex.org/C199845137","wikidata":"https://www.wikidata.org/wiki/Q145490","display_name":"Network topology","level":2,"score":0.6483269929885864},{"id":"https://openalex.org/C162307627","wikidata":"https://www.wikidata.org/wiki/Q204833","display_name":"Enhanced Data Rates for GSM Evolution","level":2,"score":0.6315368413925171},{"id":"https://openalex.org/C165696696","wikidata":"https://www.wikidata.org/wiki/Q11287","display_name":"Exploit","level":2,"score":0.6105684041976929},{"id":"https://openalex.org/C165064840","wikidata":"https://www.wikidata.org/wiki/Q1321061","display_name":"Matching (statistics)","level":2,"score":0.5912891030311584},{"id":"https://openalex.org/C62611344","wikidata":"https://www.wikidata.org/wiki/Q1062658","display_name":"Node (physics)","level":2,"score":0.49782705307006836},{"id":"https://openalex.org/C148764684","wikidata":"https://www.wikidata.org/wiki/Q621751","display_name":"Approximation algorithm","level":2,"score":0.44247862696647644},{"id":"https://openalex.org/C185798385","wikidata":"https://www.wikidata.org/wiki/Q1161707","display_name":"Benchmark (surveying)","level":2,"score":0.4396514892578125},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.4242514967918396},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3143959939479828},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.23833197355270386},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.15663087368011475},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.12575414776802063},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.0},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.0},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/infocom48880.2022.9796921","is_oa":false,"landing_page_url":"https://doi.org/10.1109/infocom48880.2022.9796921","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE INFOCOM 2022 - IEEE Conference on Computer Communications","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.4399999976158142,"display_name":"Industry, innovation and infrastructure","id":"https://metadata.un.org/sdg/9"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320321181","display_name":"Austrian Science Fund","ror":"https://ror.org/013tf3c58"},{"id":"https://openalex.org/F4320334678","display_name":"European Research Council","ror":"https://ror.org/0472cxd90"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":61,"referenced_works":["https://openalex.org/W1485041102","https://openalex.org/W1578891227","https://openalex.org/W1580292412","https://openalex.org/W1819194591","https://openalex.org/W1869723204","https://openalex.org/W1973394376","https://openalex.org/W1986826668","https://openalex.org/W1988150362","https://openalex.org/W2024607148","https://openalex.org/W2032146159","https://openalex.org/W2035080386","https://openalex.org/W2040326319","https://openalex.org/W2041786457","https://openalex.org/W2047281923","https://openalex.org/W2053572557","https://openalex.org/W2054420170","https://openalex.org/W2074359677","https://openalex.org/W2090168101","https://openalex.org/W2091299439","https://openalex.org/W2097926925","https://openalex.org/W2102669784","https://openalex.org/W2117884704","https://openalex.org/W2120248756","https://openalex.org/W2125690626","https://openalex.org/W2126210439","https://openalex.org/W2138508044","https://openalex.org/W2139559590","https://openalex.org/W2141810662","https://openalex.org/W2151827175","https://openalex.org/W2164424155","https://openalex.org/W2327315803","https://openalex.org/W2407891964","https://openalex.org/W2427045451","https://openalex.org/W2486960733","https://openalex.org/W2544746413","https://openalex.org/W2551688242","https://openalex.org/W2559629050","https://openalex.org/W2636785804","https://openalex.org/W2743429249","https://openalex.org/W2753825475","https://openalex.org/W2810723790","https://openalex.org/W2962819996","https://openalex.org/W2964124125","https://openalex.org/W3006074501","https://openalex.org/W3046344355","https://openalex.org/W3133882476","https://openalex.org/W3144786718","https://openalex.org/W3205099977","https://openalex.org/W3214430106","https://openalex.org/W4231891315","https://openalex.org/W4233756358","https://openalex.org/W4235670058","https://openalex.org/W4281688558","https://openalex.org/W4297816311","https://openalex.org/W6664029572","https://openalex.org/W6684402220","https://openalex.org/W6717482232","https://openalex.org/W6739610550","https://openalex.org/W6793088514","https://openalex.org/W6802509770","https://openalex.org/W6804158828"],"related_works":["https://openalex.org/W17155033","https://openalex.org/W3207760230","https://openalex.org/W1496222301","https://openalex.org/W1590307681","https://openalex.org/W2536018345","https://openalex.org/W4312814274","https://openalex.org/W4285370786","https://openalex.org/W2296488620","https://openalex.org/W2358353312","https://openalex.org/W2353836703"],"abstract_inverted_index":{"Reconfigurable":[0],"optical":[1,21],"topologies":[2],"promise":[3],"to":[4,24,44,67,74,86],"improve":[5],"the":[6,13,31,50,61,65,75,81,112,121,170,174,182,189],"performance":[7],"in":[8,16,49,92,138,143,147],"datacenters":[9,145],"by":[10,64],"dynamically":[11],"optimizing":[12,60],"physical":[14],"network":[15],"a":[17,69],"demand-aware":[18],"manner.":[19],"State-of-the-art":[20],"technologies":[22],"allow":[23],"establish":[25],"and":[26,96,107,119,134,146,158,179,188],"update":[27],"direct":[28],"connectivity":[29],"(in":[30],"form":[32],"of":[33,72,83,128,169],"edge-disjoint":[34],"matchings)":[35],"between":[36],"top-of-rack":[37],"switches":[38],"within":[39,164],"microseconds":[40],"or":[41,167],"less.":[42],"However,":[43,173],"fully":[45],"exploit":[46],"temporal":[47],"structure":[48],"demand,":[51],"such":[52],"fine-grained":[53],"reconfigurations":[54],"also":[55,159],"require":[56],"fast":[57,84,161],"algorithms":[58,85,130,154],"for":[59],"interconnecting":[62],"matchings.Motivated":[63],"desire":[66],"offload":[68],"maximum":[70],"amount":[71],"demand":[73],"reconfigurable":[76],"network,":[77],"this":[78],"paper":[79],"initiates":[80],"study":[82,120],"find":[87],"k":[88,187],"disjoint":[89],"heavy":[90],"matchings":[91],"graphs.":[93],"We":[94,109],"present":[95],"analyze":[97],"six":[98],"algorithms,":[99],"based":[100],"on":[101,131,186],"iterative":[102],"matchings,":[103,157],"b-matching,":[104],"edge":[105],"coloring,":[106],"node-rankings.":[108],"show":[110],"that":[111,151],"problem":[113],"is":[114,181],"generally":[115],"${\\mathcal{N}}{\\mathcal{P}}{\\text{":[116],"-":[117],"hard}}$":[118],"achievable":[122],"approximation":[123],"ratios.An":[124],"extensive":[125],"empirical":[126],"evaluation":[127],"our":[129,153],"both":[132],"real-world":[133],"synthetic":[135],"traces":[136,141],"(88":[137],"total),":[139],"including":[140],"collected":[142],"Facebook":[144],"HPC":[148],"clusters":[149],"reveals":[150],"all":[152],"provide":[155],"high-quality":[156],"very":[160],"ones":[162],"come":[163],"95":[165],"%":[166],"more":[168],"best":[171,183],"solution.":[172],"running":[175],"times":[176],"differ":[177],"significantly":[178],"what":[180],"algorithm":[184],"depends":[185],"acceptable":[190],"runtime-quality":[191],"tradeoff.":[192]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":4}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
