{"id":"https://openalex.org/W2899025451","doi":"https://doi.org/10.1109/tgcn.2018.2878918","title":"Energy-Efficient Video-On-Demand Content Caching and Distribution in Metro Area Networks","display_name":"Energy-Efficient Video-On-Demand Content Caching and Distribution in Metro Area Networks","publication_year":2018,"publication_date":"2018-10-31","ids":{"openalex":"https://openalex.org/W2899025451","doi":"https://doi.org/10.1109/tgcn.2018.2878918","mag":"2899025451"},"language":"en","primary_location":{"id":"doi:10.1109/tgcn.2018.2878918","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgcn.2018.2878918","pdf_url":null,"source":{"id":"https://openalex.org/S4210192662","display_name":"IEEE Transactions on Green Communications and Networking","issn_l":"2473-2400","issn":["2473-2400"],"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 Green Communications and Networking","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://hdl.handle.net/11311/1079600","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5026384166","display_name":"Omran Ayoub","orcid":"https://orcid.org/0000-0002-3884-3594"},"institutions":[{"id":"https://openalex.org/I93860229","display_name":"Politecnico di Milano","ror":"https://ror.org/01nffqt88","country_code":"IT","type":"education","lineage":["https://openalex.org/I93860229"]}],"countries":["IT"],"is_corresponding":true,"raw_author_name":"Omran Ayoub","raw_affiliation_strings":["Dipartimento di Elettronica, Politecnico di Milano, Milan, Italy"],"raw_orcid":"https://orcid.org/0000-0002-3884-3594","affiliations":[{"raw_affiliation_string":"Dipartimento di Elettronica, Politecnico di Milano, Milan, Italy","institution_ids":["https://openalex.org/I93860229"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5042021806","display_name":"Francesco Musumeci","orcid":"https://orcid.org/0000-0002-3617-5916"},"institutions":[{"id":"https://openalex.org/I93860229","display_name":"Politecnico di Milano","ror":"https://ror.org/01nffqt88","country_code":"IT","type":"education","lineage":["https://openalex.org/I93860229"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Francesco Musumeci","raw_affiliation_strings":["Dipartimento di Elettronica, Politecnico di Milano, Milan, Italy"],"raw_orcid":"https://orcid.org/0000-0002-3617-5916","affiliations":[{"raw_affiliation_string":"Dipartimento di Elettronica, Politecnico di Milano, Milan, Italy","institution_ids":["https://openalex.org/I93860229"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5038468421","display_name":"Massimo Tornatore","orcid":"https://orcid.org/0000-0003-0740-1061"},"institutions":[{"id":"https://openalex.org/I93860229","display_name":"Politecnico di Milano","ror":"https://ror.org/01nffqt88","country_code":"IT","type":"education","lineage":["https://openalex.org/I93860229"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Massimo Tornatore","raw_affiliation_strings":["Dipartimento di Elettronica, Politecnico di Milano, Milan, Italy"],"raw_orcid":"https://orcid.org/0000-0003-0740-1061","affiliations":[{"raw_affiliation_string":"Dipartimento di Elettronica, Politecnico di Milano, Milan, Italy","institution_ids":["https://openalex.org/I93860229"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5034035400","display_name":"Achille Pattavina","orcid":"https://orcid.org/0000-0003-0015-9866"},"institutions":[{"id":"https://openalex.org/I93860229","display_name":"Politecnico di Milano","ror":"https://ror.org/01nffqt88","country_code":"IT","type":"education","lineage":["https://openalex.org/I93860229"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Achille Pattavina","raw_affiliation_strings":["Dipartimento di Elettronica, Politecnico di Milano, Milan, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dipartimento di Elettronica, Politecnico di Milano, Milan, Italy","institution_ids":["https://openalex.org/I93860229"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5026384166"],"corresponding_institution_ids":["https://openalex.org/I93860229"],"apc_list":null,"apc_paid":null,"fwci":3.1267,"has_fulltext":false,"cited_by_count":27,"citation_normalized_percentile":{"value":0.92435137,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":91,"max":99},"biblio":{"volume":"3","issue":"1","first_page":"159","last_page":"169"},"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/T10742","display_name":"Peer-to-Peer Network Technologies","score":0.9911999702453613,"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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9776999950408936,"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":0.8164582252502441},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.6654625535011292},{"id":"https://openalex.org/keywords/energy-consumption","display_name":"Energy consumption","score":0.5595361590385437},{"id":"https://openalex.org/keywords/efficient-energy-use","display_name":"Efficient energy use","score":0.49566543102264404},{"id":"https://openalex.org/keywords/access-network","display_name":"Access network","score":0.46961313486099243},{"id":"https://openalex.org/keywords/heuristic","display_name":"Heuristic","score":0.4568529725074768},{"id":"https://openalex.org/keywords/core-network","display_name":"Core network","score":0.4398801028728485},{"id":"https://openalex.org/keywords/the-internet","display_name":"The Internet","score":0.4389984607696533},{"id":"https://openalex.org/keywords/routing","display_name":"Routing (electronic design automation)","score":0.43026307225227356},{"id":"https://openalex.org/keywords/cellular-network","display_name":"Cellular network","score":0.4283595085144043},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.3269384503364563}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8164582252502441},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.6654625535011292},{"id":"https://openalex.org/C2780165032","wikidata":"https://www.wikidata.org/wiki/Q16869822","display_name":"Energy consumption","level":2,"score":0.5595361590385437},{"id":"https://openalex.org/C2742236","wikidata":"https://www.wikidata.org/wiki/Q924713","display_name":"Efficient energy use","level":2,"score":0.49566543102264404},{"id":"https://openalex.org/C62793504","wikidata":"https://www.wikidata.org/wiki/Q228327","display_name":"Access network","level":2,"score":0.46961313486099243},{"id":"https://openalex.org/C173801870","wikidata":"https://www.wikidata.org/wiki/Q201413","display_name":"Heuristic","level":2,"score":0.4568529725074768},{"id":"https://openalex.org/C5038329","wikidata":"https://www.wikidata.org/wiki/Q1142907","display_name":"Core network","level":2,"score":0.4398801028728485},{"id":"https://openalex.org/C110875604","wikidata":"https://www.wikidata.org/wiki/Q75","display_name":"The Internet","level":2,"score":0.4389984607696533},{"id":"https://openalex.org/C74172769","wikidata":"https://www.wikidata.org/wiki/Q1446839","display_name":"Routing (electronic design automation)","level":2,"score":0.43026307225227356},{"id":"https://openalex.org/C153646914","wikidata":"https://www.wikidata.org/wiki/Q535695","display_name":"Cellular network","level":2,"score":0.4283595085144043},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.3269384503364563},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.0},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tgcn.2018.2878918","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgcn.2018.2878918","pdf_url":null,"source":{"id":"https://openalex.org/S4210192662","display_name":"IEEE Transactions on Green Communications and Networking","issn_l":"2473-2400","issn":["2473-2400"],"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 Green Communications and Networking","raw_type":"journal-article"},{"id":"pmh:oai:re.public.polimi.it:11311/1079600","is_oa":true,"landing_page_url":"http://hdl.handle.net/11311/1079600","pdf_url":null,"source":{"id":"https://openalex.org/S4306400312","display_name":"Virtual Community of Pathological Anatomy (University of Castilla La Mancha)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I79189158","host_organization_name":"University of Castilla-La Mancha","host_organization_lineage":["https://openalex.org/I79189158"],"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":"","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":{"id":"pmh:oai:re.public.polimi.it:11311/1079600","is_oa":true,"landing_page_url":"http://hdl.handle.net/11311/1079600","pdf_url":null,"source":{"id":"https://openalex.org/S4306400312","display_name":"Virtual Community of Pathological Anatomy (University of Castilla La Mancha)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I79189158","host_organization_name":"University of Castilla-La Mancha","host_organization_lineage":["https://openalex.org/I79189158"],"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":"","raw_type":"info:eu-repo/semantics/article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","score":0.8899999856948853,"display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":28,"referenced_works":["https://openalex.org/W78260901","https://openalex.org/W1905105378","https://openalex.org/W1966551170","https://openalex.org/W1970722330","https://openalex.org/W1976986662","https://openalex.org/W1983485506","https://openalex.org/W1999261486","https://openalex.org/W1999921654","https://openalex.org/W2025871796","https://openalex.org/W2035097365","https://openalex.org/W2056698322","https://openalex.org/W2087914524","https://openalex.org/W2104038469","https://openalex.org/W2130335803","https://openalex.org/W2153531976","https://openalex.org/W2170672272","https://openalex.org/W2171056628","https://openalex.org/W2271499523","https://openalex.org/W2313220686","https://openalex.org/W2409501491","https://openalex.org/W2471874849","https://openalex.org/W2530656232","https://openalex.org/W2537550323","https://openalex.org/W2783625970","https://openalex.org/W6639877576","https://openalex.org/W6664468333","https://openalex.org/W6682731761","https://openalex.org/W6713856040"],"related_works":["https://openalex.org/W1970095541","https://openalex.org/W2366950711","https://openalex.org/W4386736589","https://openalex.org/W1501806234","https://openalex.org/W2383386789","https://openalex.org/W2475336774","https://openalex.org/W3151586315","https://openalex.org/W4386714427","https://openalex.org/W2143542414","https://openalex.org/W1571156846"],"abstract_inverted_index":{"The":[0],"success":[1],"of":[2,16,89,103,136,158,211],"novel":[3],"multimedia":[4],"services,":[5],"such":[6,24,90],"as":[7,118,120],"video-on-demand":[8],"(VoD)":[9],"is":[10,147,185],"leading":[11],"to":[12,32,83],"a":[13,221],"tremendous":[14],"growth":[15,26],"Internet":[17],"traffic.":[18],"Content":[19],"caching":[20,107,178],"can":[21,205,231,234],"help":[22],"mitigate":[23],"uncontrolled":[25],"by":[27,149,162],"storing":[28],"video":[29],"content":[30,106,177,241],"closer":[31],"the":[33,71,159,199,207,212,218,236],"users":[34,65,230],"in":[35,70,115,121,138,155,198],"core,":[36,139],"metro,":[37,140],"and":[38,85,108,112,141,151,161,179,201,228],"access":[39,48,67,73,143,200],"network":[40,74,160,203],"nodes.":[41],"So":[42],"far,":[43],"fixed,":[44],"and,":[45],"especially,":[46],"mobile":[47,64,229],"networks":[49,117],"have":[50],"evolved":[51],"independently,":[52],"leveraging":[53],"logically":[54],"(and":[55,75],"often":[56],"also":[57,186],"physically)":[58],"separate":[59],"infrastructures.":[60],"This":[61],"means":[62],"that":[63],"cannot":[66],"caches":[68,137,153,197],"placed":[69],"fixed":[72,227],"vice-versa)":[76],"even":[77],"if":[78],"they":[79],"are":[80],"geographically":[81],"close":[82],"them,":[84],"energy":[86,146,209,237],"consumption":[87,210],"implications":[88],"undesired":[91],"effect":[92],"must":[93],"be":[94],"investigated.":[95],"In":[96],"this":[97],"paper":[98],"we":[99,173],"perform":[100],"an":[101,126,133,164,175],"evaluation":[102],"energy-efficient":[104,134,165,176],"VoD":[105,240],"distribution":[109],"under":[110,188],"static":[111],"dynamic":[113,189],"traffic":[114,190],"converged":[116,223],"well":[119],"non-converged":[122],"networks.":[123],"We":[124],"define":[125],"integer":[127],"linear":[128],"programming":[129],"optimization":[130],"problem":[131,171],"modeling":[132],"placement":[135],"fixed/mobile":[142],"nodes":[144],"where":[145,226],"minimized":[148],"powering-on":[150],"-off":[152],"located":[154],"different":[156],"segments":[157,204],"performing":[163],"VoD-request":[166,180],"routing.":[167],"To":[168],"deal":[169],"with":[170],"complexity,":[172],"propose":[174],"routing":[181],"heuristic":[182],"algorithm,":[183],"which":[184],"adopted":[187],"scenarios.":[191],"Our":[192],"results":[193,215],"show":[194,216],"how":[195,217],"deploying":[196],"metro":[202],"reduce":[206,235],"overall":[208],"network.":[213],"Moreover,":[214],"evolution":[219],"toward":[220],"fixed-mobile":[222],"metro/access":[224],"network,":[225],"share":[232],"caches,":[233],"consumed":[238],"for":[239],"delivery.":[242]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":9},{"year":2019,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}