{"id":"https://openalex.org/W2048124060","doi":"https://doi.org/10.1109/infcom.2012.6195634","title":"Collaborative hierarchical caching with dynamic request routing for massive content distribution","display_name":"Collaborative hierarchical caching with dynamic request routing for massive content distribution","publication_year":2012,"publication_date":"2012-03-01","ids":{"openalex":"https://openalex.org/W2048124060","doi":"https://doi.org/10.1109/infcom.2012.6195634","mag":"2048124060"},"language":"en","primary_location":{"id":"doi:10.1109/infcom.2012.6195634","is_oa":false,"landing_page_url":"https://doi.org/10.1109/infcom.2012.6195634","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 Proceedings IEEE INFOCOM","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/A5074485274","display_name":"Jie Dai","orcid":"https://orcid.org/0000-0003-3562-0851"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Jie Dai","raw_affiliation_strings":["Hong Kong University of Science and Technology, Hong Kong, China","Hong Kong Univ. of Science and Tech, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hong Kong University of Science and Technology, Hong Kong, China","institution_ids":["https://openalex.org/I200769079"]},{"raw_affiliation_string":"Hong Kong Univ. of Science and Tech, China","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108637562","display_name":"Zhan Hu","orcid":"https://orcid.org/0000-0003-3551-993X"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Zhan Hu","raw_affiliation_strings":["Hong Kong University of Science and Technology, Hong Kong, China","Hong Kong Univ. of Science and Tech, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hong Kong University of Science and Technology, Hong Kong, China","institution_ids":["https://openalex.org/I200769079"]},{"raw_affiliation_string":"Hong Kong Univ. of Science and Tech, China","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100758169","display_name":"Bo Li","orcid":"https://orcid.org/0000-0001-5980-4861"},"institutions":[{"id":"https://openalex.org/I185261750","display_name":"University of Toronto","ror":"https://ror.org/03dbr7087","country_code":"CA","type":"education","lineage":["https://openalex.org/I185261750"]},{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["CA","HK"],"is_corresponding":false,"raw_author_name":"Bo Li","raw_affiliation_strings":["Hong Kong University of Science and Technology, Hong Kong, China","University of Toronto, Canada","Hong Kong Univ. of Science and Tech, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hong Kong University of Science and Technology, Hong Kong, China","institution_ids":["https://openalex.org/I200769079"]},{"raw_affiliation_string":"University of Toronto, Canada","institution_ids":["https://openalex.org/I185261750"]},{"raw_affiliation_string":"Hong Kong Univ. of Science and Tech, China","institution_ids":["https://openalex.org/I200769079"]}]},{"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, Canada","Simon Fraser University CANADA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Simon Fraser University, Canada","institution_ids":["https://openalex.org/I18014758"]},{"raw_affiliation_string":"Simon Fraser University CANADA","institution_ids":["https://openalex.org/I18014758"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5083596391","display_name":"Baochun Li","orcid":"https://orcid.org/0000-0003-2404-0974"},"institutions":[{"id":"https://openalex.org/I185261750","display_name":"University of Toronto","ror":"https://ror.org/03dbr7087","country_code":"CA","type":"education","lineage":["https://openalex.org/I185261750"]},{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["CA","HK"],"is_corresponding":false,"raw_author_name":"Baochun Li","raw_affiliation_strings":["Hong Kong University of Science and Technology, Hong Kong, China","University of Toronto, Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hong Kong University of Science and Technology, Hong Kong, China","institution_ids":["https://openalex.org/I200769079"]},{"raw_affiliation_string":"University of Toronto, Canada","institution_ids":["https://openalex.org/I185261750"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":20.8676,"has_fulltext":false,"cited_by_count":137,"citation_normalized_percentile":{"value":0.99548338,"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":"2444","last_page":"2452"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11478","display_name":"Caching and Content Delivery","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T11478","display_name":"Caching and Content Delivery","score":1.0,"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/T11896","display_name":"Opportunistic and Delay-Tolerant Networks","score":0.9783999919891357,"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":0.9758999943733215,"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":0.8549191951751709},{"id":"https://openalex.org/keywords/server","display_name":"Server","score":0.7254667282104492},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.7028040289878845},{"id":"https://openalex.org/keywords/cache","display_name":"Cache","score":0.6859927773475647},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.5762108564376831},{"id":"https://openalex.org/keywords/network-topology","display_name":"Network topology","score":0.5440660119056702},{"id":"https://openalex.org/keywords/software-deployment","display_name":"Software deployment","score":0.5226438045501709},{"id":"https://openalex.org/keywords/iptv","display_name":"IPTV","score":0.5209437608718872},{"id":"https://openalex.org/keywords/popularity","display_name":"Popularity","score":0.48654618859291077},{"id":"https://openalex.org/keywords/routing","display_name":"Routing (electronic design automation)","score":0.4547322690486908},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.09845077991485596}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8549191951751709},{"id":"https://openalex.org/C93996380","wikidata":"https://www.wikidata.org/wiki/Q44127","display_name":"Server","level":2,"score":0.7254667282104492},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.7028040289878845},{"id":"https://openalex.org/C115537543","wikidata":"https://www.wikidata.org/wiki/Q165596","display_name":"Cache","level":2,"score":0.6859927773475647},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.5762108564376831},{"id":"https://openalex.org/C199845137","wikidata":"https://www.wikidata.org/wiki/Q145490","display_name":"Network topology","level":2,"score":0.5440660119056702},{"id":"https://openalex.org/C105339364","wikidata":"https://www.wikidata.org/wiki/Q2297740","display_name":"Software deployment","level":2,"score":0.5226438045501709},{"id":"https://openalex.org/C2776855496","wikidata":"https://www.wikidata.org/wiki/Q177518","display_name":"IPTV","level":2,"score":0.5209437608718872},{"id":"https://openalex.org/C2780586970","wikidata":"https://www.wikidata.org/wiki/Q1357284","display_name":"Popularity","level":2,"score":0.48654618859291077},{"id":"https://openalex.org/C74172769","wikidata":"https://www.wikidata.org/wiki/Q1446839","display_name":"Routing (electronic design automation)","level":2,"score":0.4547322690486908},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.09845077991485596},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.0},{"id":"https://openalex.org/C77805123","wikidata":"https://www.wikidata.org/wiki/Q161272","display_name":"Social psychology","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/infcom.2012.6195634","is_oa":false,"landing_page_url":"https://doi.org/10.1109/infcom.2012.6195634","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 Proceedings IEEE INFOCOM","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.305.1314","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.305.1314","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://iqua.ece.toronto.edu/~bli/papers/jdai-infocom12.pdf","raw_type":"text"},{"id":"pmh:oai:repository.hkust.edu.hk:1783.1-55206","is_oa":false,"landing_page_url":"http://repository.hkust.edu.hk/ir/Record/1783.1-55206","pdf_url":null,"source":{"id":"https://openalex.org/S4306401796","display_name":"Rare & Special e-Zone (The Hong Kong University of Science and Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I200769079","host_organization_name":"Hong Kong University of Science and Technology","host_organization_lineage":["https://openalex.org/I200769079"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Conference paper"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Industry, innovation and infrastructure","id":"https://metadata.un.org/sdg/9","score":0.5199999809265137}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W1969490101","https://openalex.org/W1975651401","https://openalex.org/W1993553863","https://openalex.org/W2018682510","https://openalex.org/W2041137953","https://openalex.org/W2083766832","https://openalex.org/W2096411785","https://openalex.org/W2106900044","https://openalex.org/W2126933177","https://openalex.org/W2127768834","https://openalex.org/W2137697064","https://openalex.org/W2158261262","https://openalex.org/W2166120235","https://openalex.org/W2171807599","https://openalex.org/W4254950942","https://openalex.org/W6678630451"],"related_works":["https://openalex.org/W2368605798","https://openalex.org/W1480823701","https://openalex.org/W2518037665","https://openalex.org/W2077553827","https://openalex.org/W2348524959","https://openalex.org/W2477036161","https://openalex.org/W2038910563","https://openalex.org/W2417849846","https://openalex.org/W2045836436","https://openalex.org/W2368049389"],"abstract_inverted_index":{"Massive":[0],"content":[1,28,40,148],"delivery":[2],"in":[3,30,52,60,70,160],"metropolitan":[4],"networks":[5],"has":[6],"recently":[7],"gained":[8],"much":[9],"attention":[10],"with":[11,104,147,186],"the":[12,31,36,43,48,53,96,110,113,127,134,141,153,174],"successful":[13],"deployment":[14],"of":[15,27,39,45,50,112,133,176],"commercial":[16],"systems":[17],"and":[18,130,164],"an":[19,24,89],"increasing":[20],"user":[21],"popularity.":[22],"With":[23],"enormous":[25],"volume":[26],"available":[29],"network,":[32],"as":[33,35,74,180],"well":[34,80],"growing":[37],"size":[38],"owing":[41],"to":[42,167,182],"popularity":[44],"high-definition":[46],"video,":[47],"exploration":[49],"capacity":[51,111],"caching":[54,92,142],"network":[55,143],"becomes":[56],"a":[57,100,105,161],"critical":[58],"issue":[59],"providing":[61],"guaranteed":[62],"service.":[63],"Yet,":[64],"collaboration":[65,120],"strategies":[66],"among":[67,121],"cache":[68,184],"servers":[69,122],"emerging":[71],"scenarios,":[72],"such":[73],"IPTV":[75,102],"services,":[76],"are":[77],"still":[78],"not":[79],"understood":[81],"so":[82],"far.":[83],"In":[84],"this":[85],"paper,":[86],"we":[87],"propose":[88],"efficient":[90],"collaborative":[91],"mechanism":[93,157],"based":[94],"on":[95,108],"topology":[97,128],"derived":[98],"from":[99],"real-world":[101],"system,":[103],"particular":[106],"focus":[107],"exploring":[109],"existing":[114],"system":[115],"infrastructure.":[116],"We":[117],"observe":[118],"that":[119],"is":[123,144,158,165],"largely":[124],"affected":[125],"by":[126],"characteristics":[129],"heterogeneous":[131],"capacities":[132],"network.":[135],"Meanwhile,":[136],"dynamic":[137],"request":[138],"routing":[139,188],"within":[140],"strongly":[145],"coupled":[146],"placement":[149],"decisions":[150],"when":[151],"designing":[152],"mechanism.":[154],"Our":[155,170],"proposed":[156,178],"implemented":[159],"distributed":[162],"manner,":[163],"amenable":[166],"practical":[168],"deployment.":[169],"simulation":[171],"results":[172],"demonstrate":[173],"effectiveness":[175],"our":[177],"mechanism,":[179],"compared":[181],"conventional":[183],"cooperation":[185],"static":[187],"schemes.":[189]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":6},{"year":2021,"cited_by_count":15},{"year":2020,"cited_by_count":7},{"year":2019,"cited_by_count":7},{"year":2018,"cited_by_count":12},{"year":2017,"cited_by_count":11},{"year":2016,"cited_by_count":18},{"year":2015,"cited_by_count":20},{"year":2014,"cited_by_count":20},{"year":2013,"cited_by_count":13},{"year":2012,"cited_by_count":3}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}