{"id":"https://openalex.org/W2139068841","doi":"https://doi.org/10.1145/1851290.1851294","title":"NapSAC","display_name":"NapSAC","publication_year":2010,"publication_date":"2010-08-30","ids":{"openalex":"https://openalex.org/W2139068841","doi":"https://doi.org/10.1145/1851290.1851294","mag":"2139068841"},"language":"en","primary_location":{"id":"doi:10.1145/1851290.1851294","is_oa":true,"landing_page_url":"https://doi.org/10.1145/1851290.1851294","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/1851290.1851294","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the first ACM SIGCOMM workshop on Green networking","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://dl.acm.org/doi/pdf/10.1145/1851290.1851294","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5090996189","display_name":"Andrew Krioukov","orcid":null},"institutions":[{"id":"https://openalex.org/I95457486","display_name":"University of California, Berkeley","ror":"https://ror.org/01an7q238","country_code":"US","type":"education","lineage":["https://openalex.org/I95457486"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Andrew Krioukov","raw_affiliation_strings":["University of California, Berkeley, Berkeley, CA, USA","University of California, Berkeley, Berkeley, CA USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of California, Berkeley, Berkeley, CA, USA","institution_ids":["https://openalex.org/I95457486"]},{"raw_affiliation_string":"University of California, Berkeley, Berkeley, CA USA","institution_ids":["https://openalex.org/I95457486"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102143677","display_name":"Prashanth Mohan","orcid":null},"institutions":[{"id":"https://openalex.org/I95457486","display_name":"University of California, Berkeley","ror":"https://ror.org/01an7q238","country_code":"US","type":"education","lineage":["https://openalex.org/I95457486"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Prashanth Mohan","raw_affiliation_strings":["University of California, Berkeley, Berkeley, CA, USA","University of California, Berkeley, Berkeley, CA USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of California, Berkeley, Berkeley, CA, USA","institution_ids":["https://openalex.org/I95457486"]},{"raw_affiliation_string":"University of California, Berkeley, Berkeley, CA USA","institution_ids":["https://openalex.org/I95457486"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5083915579","display_name":"Sara Alspaugh","orcid":null},"institutions":[{"id":"https://openalex.org/I95457486","display_name":"University of California, Berkeley","ror":"https://ror.org/01an7q238","country_code":"US","type":"education","lineage":["https://openalex.org/I95457486"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Sara Alspaugh","raw_affiliation_strings":["University of California, Berkeley, Berkeley, CA, USA","University of California, Berkeley, Berkeley, CA USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of California, Berkeley, Berkeley, CA, USA","institution_ids":["https://openalex.org/I95457486"]},{"raw_affiliation_string":"University of California, Berkeley, Berkeley, CA USA","institution_ids":["https://openalex.org/I95457486"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023866257","display_name":"Laura Keys","orcid":null},"institutions":[{"id":"https://openalex.org/I95457486","display_name":"University of California, Berkeley","ror":"https://ror.org/01an7q238","country_code":"US","type":"education","lineage":["https://openalex.org/I95457486"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Laura Keys","raw_affiliation_strings":["University of California, Berkeley, Berkeley, CA, USA","University of California, Berkeley, Berkeley, CA USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of California, Berkeley, Berkeley, CA, USA","institution_ids":["https://openalex.org/I95457486"]},{"raw_affiliation_string":"University of California, Berkeley, Berkeley, CA USA","institution_ids":["https://openalex.org/I95457486"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5056732574","display_name":"David Culler","orcid":"https://orcid.org/0000-0002-0460-9900"},"institutions":[{"id":"https://openalex.org/I95457486","display_name":"University of California, Berkeley","ror":"https://ror.org/01an7q238","country_code":"US","type":"education","lineage":["https://openalex.org/I95457486"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"David Culler","raw_affiliation_strings":["University of California, Berkeley, Berkeley, CA, USA","University of California, Berkeley, Berkeley, CA USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of California, Berkeley, Berkeley, CA, USA","institution_ids":["https://openalex.org/I95457486"]},{"raw_affiliation_string":"University of California, Berkeley, Berkeley, CA USA","institution_ids":["https://openalex.org/I95457486"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5109560331","display_name":"Randy H. Katz","orcid":null},"institutions":[{"id":"https://openalex.org/I95457486","display_name":"University of California, Berkeley","ror":"https://ror.org/01an7q238","country_code":"US","type":"education","lineage":["https://openalex.org/I95457486"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Randy H. Katz","raw_affiliation_strings":["University of California, Berkeley, Berkeley, CA, USA","University of California, Berkeley, Berkeley, CA USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of California, Berkeley, Berkeley, CA, USA","institution_ids":["https://openalex.org/I95457486"]},{"raw_affiliation_string":"University of California, Berkeley, Berkeley, CA USA","institution_ids":["https://openalex.org/I95457486"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":19.7357,"has_fulltext":true,"cited_by_count":170,"citation_normalized_percentile":{"value":0.99526022,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":100},"biblio":{"volume":null,"issue":null,"first_page":"15","last_page":"22"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10054","display_name":"Parallel Computing and Optimization Techniques","score":0.9983999729156494,"subfield":{"id":"https://openalex.org/subfields/1708","display_name":"Hardware and Architecture"},"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/T10054","display_name":"Parallel Computing and Optimization Techniques","score":0.9983999729156494,"subfield":{"id":"https://openalex.org/subfields/1708","display_name":"Hardware and Architecture"},"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":0.9955999851226807,"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/T11181","display_name":"Advanced Data Storage Technologies","score":0.9926999807357788,"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":0.4458492696285248}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4458492696285248}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/1851290.1851294","is_oa":true,"landing_page_url":"https://doi.org/10.1145/1851290.1851294","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/1851290.1851294","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the first ACM SIGCOMM workshop on Green networking","raw_type":"proceedings-article"}],"best_oa_location":{"id":"doi:10.1145/1851290.1851294","is_oa":true,"landing_page_url":"https://doi.org/10.1145/1851290.1851294","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/1851290.1851294","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the first ACM SIGCOMM workshop on Green networking","raw_type":"proceedings-article"},"sustainable_development_goals":[{"score":0.9100000262260437,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[{"id":"https://openalex.org/G508045697","display_name":"CPS:Medium: LoCal - A Network Architecture for Localized Electrical Energy Reduction, Generation and Sharing","funder_award_id":"0932209","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320332195","display_name":"Samsung","ror":"https://ror.org/04w3jy968"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2139068841.pdf","grobid_xml":"https://content.openalex.org/works/W2139068841.grobid-xml"},"referenced_works_count":19,"referenced_works":["https://openalex.org/W204611987","https://openalex.org/W1523544438","https://openalex.org/W1590860274","https://openalex.org/W1779735989","https://openalex.org/W1985242801","https://openalex.org/W2009514331","https://openalex.org/W2013870998","https://openalex.org/W2064359039","https://openalex.org/W2099383417","https://openalex.org/W2100346277","https://openalex.org/W2100779981","https://openalex.org/W2108387401","https://openalex.org/W2119360906","https://openalex.org/W2131889098","https://openalex.org/W2133394135","https://openalex.org/W2134807578","https://openalex.org/W2154596969","https://openalex.org/W2163836105","https://openalex.org/W2390991910"],"related_works":["https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W2358668433","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W2382290278","https://openalex.org/W2478288626","https://openalex.org/W2350741829","https://openalex.org/W2530322880","https://openalex.org/W1596801655"],"abstract_inverted_index":{"Energy":[0],"consumption":[1,110],"is":[2],"a":[3,40,50,58,63,117,133,140,170,181,195],"major":[4],"and":[5,39,62,81,87,90,97,150],"costly":[6],"problem":[7,47],"in":[8,80,136,139,194],"data":[9],"centers.":[10],"A":[11],"large":[12],"fraction":[13],"of":[14,33,42,57,65,72,83,167,191],"this":[15,34,46],"energy":[16,109],"goes":[17],"to":[18,92,95,107,162,165,187],"powering":[19],"idle":[20],"machines":[21,146],"that":[22,158],"are":[23,105,147,160],"not":[24],"doing":[25],"any":[26],"useful":[27],"work.":[28],"We":[29,177],"identify":[30],"two":[31],"causes":[32],"inefficiency:":[35],"low":[36],"server":[37],"utilization":[38],"lack":[41],"power-proportionality.":[43],"To":[44],"address":[45],"we":[48,104,129,159],"present":[49],"design":[51,69,103,193],"for":[52,78,116],"an":[53],"power-proportional":[54],"cluster":[55,60,183],"consisting":[56],"power-aware":[59],"manager":[61],"set":[64],"heterogeneous":[66],"machines.":[67],"Our":[68,155],"makes":[70],"use":[71,190],"currently":[73],"available":[74],"energy-efficient":[75],"hardware,":[76],"mechanisms":[77],"transitioning":[79],"out":[82],"low-power":[84],"sleep":[85],"states,":[86],"dynamic":[88,126],"provisioning":[89,127,173],"scheduling":[91],"continually":[93],"adjust":[94],"workload":[96,120],"minimize":[98],"power":[99,137],"consumption.":[100],"With":[101,124],"our":[102,125,192],"able":[106,161],"reduce":[108],"while":[111],"maintaining":[112],"acceptable":[113],"response":[114],"times":[115],"web":[118],"service":[119],"based":[121],"on":[122,149],"Wikipedia.":[123],"algorithms":[128],"demonstrate":[130,188],"via":[131],"simulation":[132],"63%":[134],"savings":[135,169],"usage":[138],"typically":[141],"provisioned":[142],"datacenter":[143],"where":[144],"all":[145,153],"left":[148],"awake":[151],"at":[152],"times.":[154],"results":[156],"show":[157],"achieve":[163],"close":[164],"90%":[166],"the":[168,189],"theoretically":[171],"optimal":[172],"scheme":[174],"would":[175],"achieve.":[176],"have":[178],"also":[179],"built":[180],"prototype":[182],"which":[184],"runs":[185],"Wikipedia":[186],"real":[196],"environment.":[197]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":8},{"year":2020,"cited_by_count":6},{"year":2019,"cited_by_count":5},{"year":2018,"cited_by_count":14},{"year":2017,"cited_by_count":11},{"year":2016,"cited_by_count":15},{"year":2015,"cited_by_count":17},{"year":2014,"cited_by_count":12},{"year":2013,"cited_by_count":25},{"year":2012,"cited_by_count":31}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2016-06-24T00:00:00"}