{"id":"https://openalex.org/W3046632432","doi":"https://doi.org/10.1145/3387514.3405883","title":"Caching with Delayed Hits","display_name":"Caching with Delayed Hits","publication_year":2020,"publication_date":"2020-07-30","ids":{"openalex":"https://openalex.org/W3046632432","doi":"https://doi.org/10.1145/3387514.3405883","mag":"3046632432"},"language":"en","primary_location":{"id":"doi:10.1145/3387514.3405883","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3387514.3405883","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3387514.3405883","source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Annual conference of the ACM Special Interest Group on Data Communication on the applications, technologies, architectures, and protocols for computer communication","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/10.1145/3387514.3405883","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5042271342","display_name":"Nirav Atre","orcid":"https://orcid.org/0000-0003-0718-1839"},"institutions":[{"id":"https://openalex.org/I74973139","display_name":"Carnegie Mellon University","ror":"https://ror.org/05x2bcf33","country_code":"US","type":"education","lineage":["https://openalex.org/I74973139"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Nirav Atre","raw_affiliation_strings":["Carnegie Mellon University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Carnegie Mellon University","institution_ids":["https://openalex.org/I74973139"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5072515084","display_name":"Justine Sherry","orcid":"https://orcid.org/0000-0002-8270-4102"},"institutions":[{"id":"https://openalex.org/I74973139","display_name":"Carnegie Mellon University","ror":"https://ror.org/05x2bcf33","country_code":"US","type":"education","lineage":["https://openalex.org/I74973139"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Justine Sherry","raw_affiliation_strings":["Carnegie Mellon University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Carnegie Mellon University","institution_ids":["https://openalex.org/I74973139"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100646894","display_name":"Weina Wang","orcid":"https://orcid.org/0000-0001-6808-0156"},"institutions":[{"id":"https://openalex.org/I74973139","display_name":"Carnegie Mellon University","ror":"https://ror.org/05x2bcf33","country_code":"US","type":"education","lineage":["https://openalex.org/I74973139"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Weina Wang","raw_affiliation_strings":["Carnegie Mellon University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Carnegie Mellon University","institution_ids":["https://openalex.org/I74973139"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5063512602","display_name":"Daniel S. Berger","orcid":"https://orcid.org/0000-0002-3911-1512"},"institutions":[{"id":"https://openalex.org/I4210164937","display_name":"Microsoft Research (United Kingdom)","ror":"https://ror.org/05k87vq12","country_code":"GB","type":"company","lineage":["https://openalex.org/I1290206253","https://openalex.org/I4210164937"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Daniel S. Berger","raw_affiliation_strings":["Microsoft Research"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Microsoft Research","institution_ids":["https://openalex.org/I4210164937"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5042271342"],"corresponding_institution_ids":["https://openalex.org/I74973139"],"apc_list":null,"apc_paid":null,"fwci":3.2373,"has_fulltext":true,"cited_by_count":40,"citation_normalized_percentile":{"value":0.92299339,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"495","last_page":"513"},"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/T11181","display_name":"Advanced Data Storage Technologies","score":0.9988999962806702,"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":0.9980000257492065,"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":0.894976794719696},{"id":"https://openalex.org/keywords/latency","display_name":"Latency (audio)","score":0.8095623254776001},{"id":"https://openalex.org/keywords/heuristics","display_name":"Heuristics","score":0.6548332571983337},{"id":"https://openalex.org/keywords/cache","display_name":"Cache","score":0.6186602711677551},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.4647039473056793},{"id":"https://openalex.org/keywords/queue","display_name":"Queue","score":0.45273157954216003},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.37701818346977234},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.3530072867870331},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.32514649629592896},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.14276140928268433}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.894976794719696},{"id":"https://openalex.org/C82876162","wikidata":"https://www.wikidata.org/wiki/Q17096504","display_name":"Latency (audio)","level":2,"score":0.8095623254776001},{"id":"https://openalex.org/C127705205","wikidata":"https://www.wikidata.org/wiki/Q5748245","display_name":"Heuristics","level":2,"score":0.6548332571983337},{"id":"https://openalex.org/C115537543","wikidata":"https://www.wikidata.org/wiki/Q165596","display_name":"Cache","level":2,"score":0.6186602711677551},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.4647039473056793},{"id":"https://openalex.org/C160403385","wikidata":"https://www.wikidata.org/wiki/Q220543","display_name":"Queue","level":2,"score":0.45273157954216003},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.37701818346977234},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.3530072867870331},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.32514649629592896},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.14276140928268433},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3387514.3405883","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3387514.3405883","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3387514.3405883","source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Annual conference of the ACM Special Interest Group on Data Communication on the applications, technologies, architectures, and protocols for computer communication","raw_type":"proceedings-article"}],"best_oa_location":{"id":"doi:10.1145/3387514.3405883","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3387514.3405883","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3387514.3405883","source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Annual conference of the ACM Special Interest Group on Data Communication on the applications, technologies, architectures, and protocols for computer communication","raw_type":"proceedings-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G300038429","display_name":null,"funder_award_id":"1700521,2007733","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G8169553619","display_name":null,"funder_award_id":"2007733","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G8300720798","display_name":null,"funder_award_id":"1700521","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/F4320306087","display_name":"Semiconductor Research Corporation","ror":"https://ror.org/047z4n946"},{"id":"https://openalex.org/F4320332180","display_name":"Defense Advanced Research Projects Agency","ror":"https://ror.org/02caytj08"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3046632432.pdf","grobid_xml":"https://content.openalex.org/works/W3046632432.grobid-xml"},"referenced_works_count":56,"referenced_works":["https://openalex.org/W83339351","https://openalex.org/W1492601037","https://openalex.org/W1516506771","https://openalex.org/W1555915743","https://openalex.org/W1840368645","https://openalex.org/W1973253288","https://openalex.org/W1977545325","https://openalex.org/W1978690967","https://openalex.org/W1987225815","https://openalex.org/W1999984505","https://openalex.org/W2001414591","https://openalex.org/W2010020348","https://openalex.org/W2019405494","https://openalex.org/W2022191808","https://openalex.org/W2038684271","https://openalex.org/W2040794102","https://openalex.org/W2089998595","https://openalex.org/W2111100428","https://openalex.org/W2111519549","https://openalex.org/W2119276484","https://openalex.org/W2127140504","https://openalex.org/W2130384722","https://openalex.org/W2132292283","https://openalex.org/W2143024410","https://openalex.org/W2146758611","https://openalex.org/W2163099178","https://openalex.org/W2163820265","https://openalex.org/W2170415467","https://openalex.org/W2308483349","https://openalex.org/W2515818068","https://openalex.org/W2558026027","https://openalex.org/W2577787132","https://openalex.org/W2739832702","https://openalex.org/W2767290677","https://openalex.org/W2900509250","https://openalex.org/W2901163215","https://openalex.org/W2908349016","https://openalex.org/W2910183218","https://openalex.org/W2994945990","https://openalex.org/W3009697178","https://openalex.org/W3032357557","https://openalex.org/W3125910951","https://openalex.org/W3138855735","https://openalex.org/W3144376511","https://openalex.org/W3152703111","https://openalex.org/W4206478994","https://openalex.org/W4239937081","https://openalex.org/W4252801914","https://openalex.org/W4253657771","https://openalex.org/W6635323731","https://openalex.org/W6639025630","https://openalex.org/W6640272449","https://openalex.org/W6643459237","https://openalex.org/W6723035626","https://openalex.org/W6744131798","https://openalex.org/W7000702974"],"related_works":["https://openalex.org/W2280422768","https://openalex.org/W3143197806","https://openalex.org/W4252555497","https://openalex.org/W3121175838","https://openalex.org/W3016293053","https://openalex.org/W1690653314","https://openalex.org/W2401723157","https://openalex.org/W2784269775","https://openalex.org/W2952904874","https://openalex.org/W324626582"],"abstract_inverted_index":{"Caches":[0],"are":[1,64],"at":[2,28],"the":[3,17,35,52,92,117,185],"heart":[4],"of":[5,19,54,94],"latency-sensitive":[6],"systems.":[7],"In":[8],"this":[9],"paper,":[10],"we":[11,128,174],"identify":[12],"a":[13,99,153,158,163],"growing":[14],"challenge":[15],"for":[16,143],"design":[18,98],"latency-minimizing":[20],"caches":[21],"called":[22,82,105],"delayed":[23,68,95],"hits.":[24,96],"Delayed":[25],"hits":[26,69],"occur":[27],"high":[29],"throughput,":[30],"when":[31],"multiple":[32],"requests":[33],"to":[34,88,113,116,149],"same":[36],"object":[37],"queue":[38],"up":[39,112,148],"before":[40],"an":[41,132],"outstanding":[42],"cache":[43],"miss":[44],"is":[45],"resolved.":[46],"This":[47],"effect":[48],"increases":[49],"latencies":[50,110,142,180],"beyond":[51],"predictions":[53],"traditional":[55,76],"caching":[56,62,77,103,138,145,160],"models":[57],"and":[58,167],"simulations;":[59],"in":[60,91,170],"fact,":[61],"algorithms":[63,84],"designed":[65],"as":[66,125],"if":[67],"simply":[70],"didn't":[71],"exist.":[72],"We":[73,97,151],"show":[74,129,175],"that":[75,130,176],"strategies":[78],"--":[79,85],"even":[80],"so":[81],"'optimal'":[83],"can":[86,140,178],"fail":[87],"minimize":[89],"latency":[90],"presence":[93],"new,":[100],"latency-optimal":[101],"offline":[102],"algorithm":[104],"belatedly":[106,124],"which":[107],"reduces":[108],"average":[109],"by":[111,147,181],"45%":[114],"compared":[115],"traditional,":[118],"hit-rate":[119],"optimal":[120],"Belady's":[121],"algorithm.":[122],"Using":[123,162],"our":[126],"guide,":[127],"incorporating":[131],"object's":[133],"'aggregate":[134],"delay'":[135],"into":[136],"online":[137],"heuristics":[139],"improve":[141],"practical":[144],"systems":[146],"40%.":[150],"implement":[152],"prototype,":[154],"Minimum-AggregateDelay":[155],"(mad),":[156],"within":[157],"CDN":[159,164],"node.":[161],"production":[165],"trace":[166],"backends":[168],"deployed":[169],"different":[171],"geographic":[172],"locations,":[173],"mad":[177],"reduce":[179],"12-18%":[182],"depending":[183],"on":[184],"backend":[186],"RTTs.":[187]},"counts_by_year":[{"year":2025,"cited_by_count":7},{"year":2024,"cited_by_count":13},{"year":2023,"cited_by_count":11},{"year":2022,"cited_by_count":6},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":1}],"updated_date":"2026-04-28T14:05:53.105641","created_date":"2025-10-10T00:00:00"}
