{"id":"https://openalex.org/W2933101236","doi":"https://doi.org/10.1109/tsc.2019.2908647","title":"Exploiting Heterogeneity for Opportunistic Resource Scaling in Cloud-Hosted Applications","display_name":"Exploiting Heterogeneity for Opportunistic Resource Scaling in Cloud-Hosted Applications","publication_year":2019,"publication_date":"2019-04-01","ids":{"openalex":"https://openalex.org/W2933101236","doi":"https://doi.org/10.1109/tsc.2019.2908647","mag":"2933101236"},"language":"en","primary_location":{"id":"doi:10.1109/tsc.2019.2908647","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsc.2019.2908647","pdf_url":null,"source":{"id":"https://openalex.org/S204223317","display_name":"IEEE Transactions on Services Computing","issn_l":"1939-1374","issn":["1939-1374","2372-0204"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Services Computing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://hdl.handle.net/1959.3/448434","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5000678710","display_name":"Mohan Baruwal Chhetri","orcid":"https://orcid.org/0000-0002-6138-7742"},"institutions":[{"id":"https://openalex.org/I57093077","display_name":"Swinburne University of Technology","ror":"https://ror.org/031rekg67","country_code":"AU","type":"education","lineage":["https://openalex.org/I57093077"]}],"countries":["AU"],"is_corresponding":true,"raw_author_name":"Mohan Baruwal Chhetri","raw_affiliation_strings":["Swinburne University of Technology, Hawthorn, VIC, Australia"],"affiliations":[{"raw_affiliation_string":"Swinburne University of Technology, Hawthorn, VIC, Australia","institution_ids":["https://openalex.org/I57093077"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015356348","display_name":"Abdur Rahim Mohammad Forkan","orcid":"https://orcid.org/0000-0003-0237-1705"},"institutions":[{"id":"https://openalex.org/I57093077","display_name":"Swinburne University of Technology","ror":"https://ror.org/031rekg67","country_code":"AU","type":"education","lineage":["https://openalex.org/I57093077"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Abdur Rahim Mohammad Forkan","raw_affiliation_strings":["Swinburne University of Technology, Hawthorn, VIC, Australia"],"affiliations":[{"raw_affiliation_string":"Swinburne University of Technology, Hawthorn, VIC, Australia","institution_ids":["https://openalex.org/I57093077"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5055692975","display_name":"Quoc Bao Vo","orcid":"https://orcid.org/0000-0002-7404-110X"},"institutions":[{"id":"https://openalex.org/I57093077","display_name":"Swinburne University of Technology","ror":"https://ror.org/031rekg67","country_code":"AU","type":"education","lineage":["https://openalex.org/I57093077"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Quoc Bao Vo","raw_affiliation_strings":["Swinburne University of Technology, Hawthorn, VIC, Australia"],"affiliations":[{"raw_affiliation_string":"Swinburne University of Technology, Hawthorn, VIC, Australia","institution_ids":["https://openalex.org/I57093077"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5082256444","display_name":"\u202aSurya Nepal\u202c","orcid":"https://orcid.org/0000-0002-3289-6599"},"institutions":[{"id":"https://openalex.org/I1292875679","display_name":"Commonwealth Scientific and Industrial Research Organisation","ror":"https://ror.org/03qn8fb07","country_code":"AU","type":"government","lineage":["https://openalex.org/I1292875679","https://openalex.org/I2801453606","https://openalex.org/I4387156119"]},{"id":"https://openalex.org/I42894916","display_name":"Data61","ror":"https://ror.org/03q397159","country_code":"AU","type":"other","lineage":["https://openalex.org/I1292875679","https://openalex.org/I2801453606","https://openalex.org/I42894916","https://openalex.org/I4387156119"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Surya Nepal","raw_affiliation_strings":["Data61, CSIRO, Canberra, ACT, Australia"],"affiliations":[{"raw_affiliation_string":"Data61, CSIRO, Canberra, ACT, Australia","institution_ids":["https://openalex.org/I42894916","https://openalex.org/I1292875679"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5024220409","display_name":"Ryszard Kowalczyk","orcid":"https://orcid.org/0000-0003-0937-4028"},"institutions":[{"id":"https://openalex.org/I57093077","display_name":"Swinburne University of Technology","ror":"https://ror.org/031rekg67","country_code":"AU","type":"education","lineage":["https://openalex.org/I57093077"]},{"id":"https://openalex.org/I66083562","display_name":"Systems Research Institute","ror":"https://ror.org/0111cp837","country_code":"PL","type":"facility","lineage":["https://openalex.org/I66083562","https://openalex.org/I99542240"]},{"id":"https://openalex.org/I99542240","display_name":"Polish Academy of Sciences","ror":"https://ror.org/01dr6c206","country_code":"PL","type":"government","lineage":["https://openalex.org/I99542240"]}],"countries":["AU","PL"],"is_corresponding":false,"raw_author_name":"Ryszard Kowalczyk","raw_affiliation_strings":["Swinburne University of Technology, Hawthorn, VIC, Australia","Systems Research Institute, Polish Academy of Sciences, Warsaw, Poland"],"affiliations":[{"raw_affiliation_string":"Swinburne University of Technology, Hawthorn, VIC, Australia","institution_ids":["https://openalex.org/I57093077"]},{"raw_affiliation_string":"Systems Research Institute, Polish Academy of Sciences, Warsaw, Poland","institution_ids":["https://openalex.org/I66083562","https://openalex.org/I99542240"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5000678710"],"corresponding_institution_ids":["https://openalex.org/I57093077"],"apc_list":null,"apc_paid":null,"fwci":1.0556,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.82720559,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"14","issue":"6","first_page":"1739","last_page":"1750"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10101","display_name":"Cloud Computing and Resource Management","score":0.9998999834060669,"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":0.9998999834060669,"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/T10273","display_name":"IoT and Edge/Fog Computing","score":0.995199978351593,"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/T10270","display_name":"Blockchain Technology Applications and Security","score":0.986299991607666,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/cloud-computing","display_name":"Cloud computing","score":0.7416573762893677},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7333064079284668},{"id":"https://openalex.org/keywords/exploit","display_name":"Exploit","score":0.6399182081222534},{"id":"https://openalex.org/keywords/workload","display_name":"Workload","score":0.5982642769813538},{"id":"https://openalex.org/keywords/resource-allocation","display_name":"Resource allocation","score":0.5413508415222168},{"id":"https://openalex.org/keywords/resource","display_name":"Resource (disambiguation)","score":0.5264894366264343},{"id":"https://openalex.org/keywords/scaling","display_name":"Scaling","score":0.46857571601867676},{"id":"https://openalex.org/keywords/scalability","display_name":"Scalability","score":0.41007161140441895},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.18502449989318848},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.12447163462638855},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.08894601464271545},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.06882566213607788}],"concepts":[{"id":"https://openalex.org/C79974875","wikidata":"https://www.wikidata.org/wiki/Q483639","display_name":"Cloud computing","level":2,"score":0.7416573762893677},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7333064079284668},{"id":"https://openalex.org/C165696696","wikidata":"https://www.wikidata.org/wiki/Q11287","display_name":"Exploit","level":2,"score":0.6399182081222534},{"id":"https://openalex.org/C2778476105","wikidata":"https://www.wikidata.org/wiki/Q628539","display_name":"Workload","level":2,"score":0.5982642769813538},{"id":"https://openalex.org/C29202148","wikidata":"https://www.wikidata.org/wiki/Q287260","display_name":"Resource allocation","level":2,"score":0.5413508415222168},{"id":"https://openalex.org/C206345919","wikidata":"https://www.wikidata.org/wiki/Q20380951","display_name":"Resource (disambiguation)","level":2,"score":0.5264894366264343},{"id":"https://openalex.org/C99844830","wikidata":"https://www.wikidata.org/wiki/Q102441924","display_name":"Scaling","level":2,"score":0.46857571601867676},{"id":"https://openalex.org/C48044578","wikidata":"https://www.wikidata.org/wiki/Q727490","display_name":"Scalability","level":2,"score":0.41007161140441895},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.18502449989318848},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.12447163462638855},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.08894601464271545},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.06882566213607788},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tsc.2019.2908647","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsc.2019.2908647","pdf_url":null,"source":{"id":"https://openalex.org/S204223317","display_name":"IEEE Transactions on Services Computing","issn_l":"1939-1374","issn":["1939-1374","2372-0204"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Services Computing","raw_type":"journal-article"},{"id":"pmh:oai:researchbank.swinburne.edu.au:20d30954-ecce-4b1c-be23-650ee3fda06b/1","is_oa":true,"landing_page_url":"http://hdl.handle.net/1959.3/448434","pdf_url":null,"source":{"id":"https://openalex.org/S4306401157","display_name":"Swinburne Research Bank (Swinburne University of Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I57093077","host_organization_name":"Swinburne University of Technology","host_organization_lineage":["https://openalex.org/I57093077"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Transactions on Services Computing (2019), pp. 1-1","raw_type":""}],"best_oa_location":{"id":"pmh:oai:researchbank.swinburne.edu.au:20d30954-ecce-4b1c-be23-650ee3fda06b/1","is_oa":true,"landing_page_url":"http://hdl.handle.net/1959.3/448434","pdf_url":null,"source":{"id":"https://openalex.org/S4306401157","display_name":"Swinburne Research Bank (Swinburne University of Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I57093077","host_organization_name":"Swinburne University of Technology","host_organization_lineage":["https://openalex.org/I57093077"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Transactions on Services Computing (2019), pp. 1-1","raw_type":""},"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320334704","display_name":"Australian Research Council","ror":"https://ror.org/05mmh0f86"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":28,"referenced_works":["https://openalex.org/W14152614","https://openalex.org/W304986642","https://openalex.org/W1880363006","https://openalex.org/W1972153891","https://openalex.org/W2031780258","https://openalex.org/W2104170204","https://openalex.org/W2133664094","https://openalex.org/W2155047033","https://openalex.org/W2171250277","https://openalex.org/W2254461656","https://openalex.org/W2275530856","https://openalex.org/W2294297756","https://openalex.org/W2580320764","https://openalex.org/W2610956211","https://openalex.org/W2733574346","https://openalex.org/W2733885920","https://openalex.org/W2741980945","https://openalex.org/W2749577084","https://openalex.org/W2756035812","https://openalex.org/W2772286759","https://openalex.org/W2800893044","https://openalex.org/W2804265923","https://openalex.org/W2811189031","https://openalex.org/W2887862501","https://openalex.org/W6600544553","https://openalex.org/W6610827491","https://openalex.org/W6752864022","https://openalex.org/W6754281249"],"related_works":["https://openalex.org/W17155033","https://openalex.org/W3207760230","https://openalex.org/W1496222301","https://openalex.org/W4312814274","https://openalex.org/W1590307681","https://openalex.org/W2536018345","https://openalex.org/W4285370786","https://openalex.org/W2296488620","https://openalex.org/W2358353312","https://openalex.org/W2158842975"],"abstract_inverted_index":{"Cloud":[0],"consumers":[1],"have":[2],"access":[3],"to":[4,24,35,42,54,76,160,207],"an":[5,86,97],"increasingly":[6],"diverse":[7],"range":[8],"of":[9,28,195,201],"resource":[10,17,50,66,72,79,83,94,102,132,157],"and":[11,39,46,51,73,93,134,143,174,197],"contract":[12,52,74],"options,":[13],"but":[14],"lack":[15],"appropriate":[16],"scaling":[18,41,67,95,113,180,210],"solutions":[19],"that":[20,69,185],"can":[21],"exploit":[22],"this":[23,59],"minimize":[25],"the":[26,128,135,140,161,208],"cost":[27,204],"their":[29],"cloud-hosted":[30],"applications.":[31],"Traditional":[32],"approaches":[33],"tend":[34],"use":[36],"homogeneous":[37],"resources":[38],"horizontal":[40],"handle":[43],"workload":[44,172],"fluctuations":[45],"do":[47],"not":[48],"leverage":[49],"heterogeneity":[53,75],"optimize":[55],"cloud":[56],"costs.":[57],"In":[58],"paper,":[60],"we":[61,110],"propose":[62,111],"a":[63],"novel":[64],"opportunistic":[65],"approach":[68],"exploits":[70],"both":[71,166],"achieve":[77],"cost-effective":[78],"allocations.":[80],"We":[81,164],"model":[82],"allocation":[84,103,133],"as":[85,96],"<italic":[87,98,116,145],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[88,99,117,146],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">unbounded":[89],"knapsack":[90],"problem</i>":[91,104],",":[92,121,150],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">one-step":[100],"ahead":[101],".":[105],"Based":[106],"on":[107,124,139,153],"these":[108],"models,":[109],"two":[112,169],"strategies:":[114],"(a)":[115],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">delta":[118],"capacity":[119,137,148,158,191],"optimization</i>":[120,149],"which":[122,151],"focuses":[123,152],"optimizing":[125,154],"costs":[126,155],"for":[127,156],"difference":[129],"between":[130],"existing":[131],"required":[136],"based":[138],"forecast":[141,162],"workload,":[142],"(b)":[144],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">full":[147],"corresponding":[159],"workload.":[163],"evaluate":[165],"strategies":[167],"using":[168],"real":[170],"world":[171],"datasets,":[173],"compare":[175],"them":[176,196],"against":[177],"three":[178],"different":[179],"strategies.":[181],"The":[182],"results":[183],"show":[184],"our":[186],"proposed":[187],"approach,":[188],"particularly":[189],"full":[190],"optimization,":[192],"outperforms":[193],"all":[194],"offers":[198],"in":[199],"excess":[200],"70":[202],"percent":[203],"savings":[205],"compared":[206],"traditional":[209],"approach.":[211]},"counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2020,"cited_by_count":1}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}
