{"id":"https://openalex.org/W4304080661","doi":"https://doi.org/10.1145/3503161.3547807","title":"AggCast: Practical Cost-effective Scheduling for Large-scale Cloud-edge Crowdsourced Live Streaming","display_name":"AggCast: Practical Cost-effective Scheduling for Large-scale Cloud-edge Crowdsourced Live Streaming","publication_year":2022,"publication_date":"2022-10-10","ids":{"openalex":"https://openalex.org/W4304080661","doi":"https://doi.org/10.1145/3503161.3547807"},"language":"en","primary_location":{"id":"doi:10.1145/3503161.3547807","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3503161.3547807","pdf_url":null,"source":{"id":"https://openalex.org/S4363608757","display_name":"Proceedings of the 30th ACM International Conference on Multimedia","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":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 30th ACM International Conference on Multimedia","raw_type":"proceedings-article"},"type":"article","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/A5085140543","display_name":"Rui-Xiao Zhang","orcid":"https://orcid.org/0000-0002-4251-825X"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Rui-Xiao Zhang","raw_affiliation_strings":["Tsinghua University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101473094","display_name":"Changpeng Yang","orcid":"https://orcid.org/0000-0002-7043-6657"},"institutions":[{"id":"https://openalex.org/I2250955327","display_name":"Huawei Technologies (China)","ror":"https://ror.org/00cmhce21","country_code":"CN","type":"company","lineage":["https://openalex.org/I2250955327"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Changpeng Yang","raw_affiliation_strings":["Huawei Cloud, Shenzhen, China"],"affiliations":[{"raw_affiliation_string":"Huawei Cloud, Shenzhen, China","institution_ids":["https://openalex.org/I2250955327"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101573432","display_name":"Xiaochan Wang","orcid":"https://orcid.org/0009-0003-3141-1056"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaochan Wang","raw_affiliation_strings":["Tsinghua University, Shenzhen, China"],"affiliations":[{"raw_affiliation_string":"Tsinghua University, Shenzhen, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057477098","display_name":"Tianchi Huang","orcid":"https://orcid.org/0000-0001-9378-6329"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tianchi Huang","raw_affiliation_strings":["Tsinghua University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102951891","display_name":"Chenglei Wu","orcid":"https://orcid.org/0000-0003-0839-1037"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chenglei Wu","raw_affiliation_strings":["Tsinghua University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5039311485","display_name":"Jiangchuan Liu","orcid":"https://orcid.org/0000-0001-6592-1984"},"institutions":[{"id":"https://openalex.org/I18014758","display_name":"Simon Fraser University","ror":"https://ror.org/0213rcc28","country_code":"CA","type":"education","lineage":["https://openalex.org/I18014758"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Jiangchuan Liu","raw_affiliation_strings":["Simon Fraser University, Vancouver, BC, Canada"],"affiliations":[{"raw_affiliation_string":"Simon Fraser University, Vancouver, BC, Canada","institution_ids":["https://openalex.org/I18014758"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5047712495","display_name":"Lifeng Sun","orcid":"https://orcid.org/0000-0002-4057-5138"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lifeng Sun","raw_affiliation_strings":["Tsinghua University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5085140543"],"corresponding_institution_ids":["https://openalex.org/I99065089"],"apc_list":null,"apc_paid":null,"fwci":1.1985,"has_fulltext":false,"cited_by_count":20,"citation_normalized_percentile":{"value":0.85947526,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":97,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"3026","last_page":"3034"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11165","display_name":"Image and Video Quality Assessment","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/T11165","display_name":"Image and Video Quality Assessment","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/T11478","display_name":"Caching and Content Delivery","score":0.9977999925613403,"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/T10742","display_name":"Peer-to-Peer Network Technologies","score":0.9965000152587891,"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/cloud-computing","display_name":"Cloud computing","score":0.8517201542854309},{"id":"https://openalex.org/keywords/inefficiency","display_name":"Inefficiency","score":0.8205443620681763},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7933996915817261},{"id":"https://openalex.org/keywords/cls-upper-limits","display_name":"CLs upper limits","score":0.6163327693939209},{"id":"https://openalex.org/keywords/enhanced-data-rates-for-gsm-evolution","display_name":"Enhanced Data Rates for GSM Evolution","score":0.5486434698104858},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.5002231597900391},{"id":"https://openalex.org/keywords/scheduling","display_name":"Scheduling (production processes)","score":0.48565447330474854},{"id":"https://openalex.org/keywords/quality-of-service","display_name":"Quality of service","score":0.4502408802509308},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1481982171535492},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.08169698715209961},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.07599115371704102}],"concepts":[{"id":"https://openalex.org/C79974875","wikidata":"https://www.wikidata.org/wiki/Q483639","display_name":"Cloud computing","level":2,"score":0.8517201542854309},{"id":"https://openalex.org/C2778869765","wikidata":"https://www.wikidata.org/wiki/Q6028363","display_name":"Inefficiency","level":2,"score":0.8205443620681763},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7933996915817261},{"id":"https://openalex.org/C190729725","wikidata":"https://www.wikidata.org/wiki/Q5012817","display_name":"CLs upper limits","level":2,"score":0.6163327693939209},{"id":"https://openalex.org/C162307627","wikidata":"https://www.wikidata.org/wiki/Q204833","display_name":"Enhanced Data Rates for GSM Evolution","level":2,"score":0.5486434698104858},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.5002231597900391},{"id":"https://openalex.org/C206729178","wikidata":"https://www.wikidata.org/wiki/Q2271896","display_name":"Scheduling (production processes)","level":2,"score":0.48565447330474854},{"id":"https://openalex.org/C5119721","wikidata":"https://www.wikidata.org/wiki/Q220501","display_name":"Quality of service","level":2,"score":0.4502408802509308},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1481982171535492},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.08169698715209961},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.07599115371704102},{"id":"https://openalex.org/C119767625","wikidata":"https://www.wikidata.org/wiki/Q618211","display_name":"Optometry","level":1,"score":0.0},{"id":"https://openalex.org/C175444787","wikidata":"https://www.wikidata.org/wiki/Q39072","display_name":"Microeconomics","level":1,"score":0.0},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C21547014","wikidata":"https://www.wikidata.org/wiki/Q1423657","display_name":"Operations management","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3503161.3547807","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3503161.3547807","pdf_url":null,"source":{"id":"https://openalex.org/S4363608757","display_name":"Proceedings of the 30th ACM International Conference on Multimedia","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":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 30th ACM International Conference on Multimedia","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":20,"referenced_works":["https://openalex.org/W1594550147","https://openalex.org/W1973408425","https://openalex.org/W2024060531","https://openalex.org/W2039333724","https://openalex.org/W2081416151","https://openalex.org/W2157404363","https://openalex.org/W2410725580","https://openalex.org/W2426750554","https://openalex.org/W2495130909","https://openalex.org/W2762920447","https://openalex.org/W2778608664","https://openalex.org/W2896109682","https://openalex.org/W2918334020","https://openalex.org/W2950956365","https://openalex.org/W2963905788","https://openalex.org/W2982049359","https://openalex.org/W3014620413","https://openalex.org/W3046974533","https://openalex.org/W3092888325","https://openalex.org/W3153521176"],"related_works":["https://openalex.org/W2264067234","https://openalex.org/W3124243301","https://openalex.org/W1589409554","https://openalex.org/W2759038785","https://openalex.org/W3123876860","https://openalex.org/W2899665936","https://openalex.org/W3124172198","https://openalex.org/W2142633247","https://openalex.org/W2148394657","https://openalex.org/W2172232600"],"abstract_inverted_index":{"Conventional":[0],"wisdom":[1],"claims":[2],"that":[3,25,41],"in":[4,159,164],"order":[5],"to":[6,84,100,114,178],"improve":[7],"viewer":[8,61],"engagement,":[9],"the":[10,15,18,42,50,54,64,73,86,91,126,145,179],"cloud-edge":[11,55,92,162],"providers":[12],"should":[13],"serve":[14],"viewers":[16,103],"with":[17],"nearest":[19],"edge":[20,65,87],"nodes,":[21,117],"however,":[22],"we":[23,76],"show":[24,175],"doing":[26],"this":[27],"for":[28,90,166],"crowdsourced":[29],"live":[30],"streaming":[31],"(CLS)":[32],"services":[33],"can":[34,134,183],"introduce":[35],"significant":[36,68],"costs":[37,69,190],"inefficiency.":[38,70],"We":[39],"observe":[40],"massive":[43],"number":[44],"of":[45,53,97,139,148],"channels":[46],"has":[47,152],"greatly":[48],"burdened":[49],"operating":[51],"expenditure":[52],"providers,":[56],"and":[57,111,156,172],"most":[58],"importantly,":[59],"unbalanced":[60],"distribution":[62],"makes":[63],"nodes":[66],"suffer":[67],"To":[71],"tackle":[72],"above":[74],"concerns,":[75],"propose":[77],"AggCast,":[78],"a":[79,160],"novel":[80],"CLS":[81,149],"scheduling":[82],"framework":[83],"optimize":[85],"node":[88],"utilization":[89],"provider.":[93],"The":[94,170],"core":[95],"idea":[96],"AggCast":[98,133,151,182],"is":[99],"aggregate":[101],"some":[102],"who":[104],"are":[105],"initially":[106],"scattered":[107],"on":[108,196],"different":[109],"regions,":[110],"assign":[112],"them":[113],"fewer":[115],"pre-selected":[116],"thereby":[118],"reducing":[119],"bandwidth":[120,189],"costs.":[121],"In":[122],"particular,":[123],"by":[124],"leveraging":[125],"insights":[127],"obtained":[128],"from":[129],"our":[130],"large-scale":[131],"measurement,":[132],"not":[135],"only":[136],"ensure":[137],"quality":[138],"experience":[140],"(QoS),":[141],"but":[142],"also":[143],"satisfy":[144],"systematic":[146],"requirements":[147],"services.":[150],"been":[153],"A/B":[154],"tested":[155],"fully":[157],"deployed":[158],"top":[161],"provider":[163],"China":[165],"over":[167,185],"eight":[168],"months.":[169],"online":[171],"trace-driven":[173],"experiments":[174],"that,":[176],"compared":[177],"common":[180],"practice,":[181],"save":[184],"15%":[186],"back-to-source":[187],"(BTS)":[188],"while":[191],"having":[192],"no":[193],"negative":[194],"impacts":[195],"QoS.":[197]},"counts_by_year":[{"year":2025,"cited_by_count":8},{"year":2024,"cited_by_count":7},{"year":2023,"cited_by_count":5}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
