{"id":"https://openalex.org/W1966858873","doi":"https://doi.org/10.1109/glocomw.2012.6477717","title":"Challenges and opportunities in content distribution networks: A case study","display_name":"Challenges and opportunities in content distribution networks: A case study","publication_year":2012,"publication_date":"2012-12-01","ids":{"openalex":"https://openalex.org/W1966858873","doi":"https://doi.org/10.1109/glocomw.2012.6477717","mag":"1966858873"},"language":"en","primary_location":{"id":"doi:10.1109/glocomw.2012.6477717","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocomw.2012.6477717","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE Globecom Workshops","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-36959","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5031653290","display_name":"Muslim Elkotob","orcid":null},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Muslim Elkotob","raw_affiliation_strings":["Media Broadcast, TDF Group, Berlin, Germany"],"affiliations":[{"raw_affiliation_string":"Media Broadcast, TDF Group, Berlin, Germany","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5081206139","display_name":"Karl Andersson","orcid":"https://orcid.org/0000-0003-0244-3561"},"institutions":[{"id":"https://openalex.org/I4210100733","display_name":"Skellefte\u00e5 Hospital","ror":"https://ror.org/0133j5m54","country_code":"SE","type":"healthcare","lineage":["https://openalex.org/I4210100733"]},{"id":"https://openalex.org/I190632392","display_name":"Lule\u00e5 University of Technology","ror":"https://ror.org/016st3p78","country_code":"SE","type":"education","lineage":["https://openalex.org/I190632392"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Karl Andersson","raw_affiliation_strings":["Lule\u00e5 tekniska universitet, Skelleftea, Sweden","Lule\u00e5 Tekniska Universitet, Skellefte\u00e5 (Sweden)"],"affiliations":[{"raw_affiliation_string":"Lule\u00e5 tekniska universitet, Skelleftea, Sweden","institution_ids":["https://openalex.org/I4210100733"]},{"raw_affiliation_string":"Lule\u00e5 Tekniska Universitet, Skellefte\u00e5 (Sweden)","institution_ids":["https://openalex.org/I190632392"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5031653290"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.7092,"has_fulltext":false,"cited_by_count":12,"citation_normalized_percentile":{"value":0.70238896,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11478","display_name":"Caching and Content Delivery","score":0.9998999834060669,"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":0.9998999834060669,"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":0.9980999827384949,"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":0.9979000091552734,"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":0.84111487865448},{"id":"https://openalex.org/keywords/multicast","display_name":"Multicast","score":0.6230918169021606},{"id":"https://openalex.org/keywords/quality-of-experience","display_name":"Quality of experience","score":0.614908754825592},{"id":"https://openalex.org/keywords/latency","display_name":"Latency (audio)","score":0.5887951850891113},{"id":"https://openalex.org/keywords/content-delivery-network","display_name":"Content delivery network","score":0.5840513110160828},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.5758654475212097},{"id":"https://openalex.org/keywords/content-distribution","display_name":"Content distribution","score":0.5419065356254578},{"id":"https://openalex.org/keywords/byte","display_name":"Byte","score":0.5392358303070068},{"id":"https://openalex.org/keywords/architecture","display_name":"Architecture","score":0.5231978893280029},{"id":"https://openalex.org/keywords/content-delivery","display_name":"Content delivery","score":0.5063837766647339},{"id":"https://openalex.org/keywords/network-architecture","display_name":"Network architecture","score":0.41677209734916687},{"id":"https://openalex.org/keywords/complement","display_name":"Complement (music)","score":0.4124610424041748},{"id":"https://openalex.org/keywords/application-layer","display_name":"Application layer","score":0.4115648865699768},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.36226630210876465},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.23014751076698303},{"id":"https://openalex.org/keywords/quality-of-service","display_name":"Quality of service","score":0.2128000557422638},{"id":"https://openalex.org/keywords/server","display_name":"Server","score":0.16482865810394287}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.84111487865448},{"id":"https://openalex.org/C32295351","wikidata":"https://www.wikidata.org/wiki/Q899288","display_name":"Multicast","level":2,"score":0.6230918169021606},{"id":"https://openalex.org/C2779333187","wikidata":"https://www.wikidata.org/wiki/Q3132648","display_name":"Quality of experience","level":3,"score":0.614908754825592},{"id":"https://openalex.org/C82876162","wikidata":"https://www.wikidata.org/wiki/Q17096504","display_name":"Latency (audio)","level":2,"score":0.5887951850891113},{"id":"https://openalex.org/C2778898579","wikidata":"https://www.wikidata.org/wiki/Q72588","display_name":"Content delivery network","level":3,"score":0.5840513110160828},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.5758654475212097},{"id":"https://openalex.org/C3018752578","wikidata":"https://www.wikidata.org/wiki/Q269415","display_name":"Content distribution","level":2,"score":0.5419065356254578},{"id":"https://openalex.org/C43364308","wikidata":"https://www.wikidata.org/wiki/Q8799","display_name":"Byte","level":2,"score":0.5392358303070068},{"id":"https://openalex.org/C123657996","wikidata":"https://www.wikidata.org/wiki/Q12271","display_name":"Architecture","level":2,"score":0.5231978893280029},{"id":"https://openalex.org/C2986847828","wikidata":"https://www.wikidata.org/wiki/Q269415","display_name":"Content delivery","level":2,"score":0.5063837766647339},{"id":"https://openalex.org/C193415008","wikidata":"https://www.wikidata.org/wiki/Q639681","display_name":"Network architecture","level":2,"score":0.41677209734916687},{"id":"https://openalex.org/C112313634","wikidata":"https://www.wikidata.org/wiki/Q7886648","display_name":"Complement (music)","level":5,"score":0.4124610424041748},{"id":"https://openalex.org/C190793597","wikidata":"https://www.wikidata.org/wiki/Q189768","display_name":"Application layer","level":3,"score":0.4115648865699768},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.36226630210876465},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.23014751076698303},{"id":"https://openalex.org/C5119721","wikidata":"https://www.wikidata.org/wiki/Q220501","display_name":"Quality of service","level":2,"score":0.2128000557422638},{"id":"https://openalex.org/C93996380","wikidata":"https://www.wikidata.org/wiki/Q44127","display_name":"Server","level":2,"score":0.16482865810394287},{"id":"https://openalex.org/C142362112","wikidata":"https://www.wikidata.org/wiki/Q735","display_name":"Art","level":0,"score":0.0},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C188082640","wikidata":"https://www.wikidata.org/wiki/Q1780899","display_name":"Complementation","level":4,"score":0.0},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C127716648","wikidata":"https://www.wikidata.org/wiki/Q104053","display_name":"Phenotype","level":3,"score":0.0},{"id":"https://openalex.org/C105339364","wikidata":"https://www.wikidata.org/wiki/Q2297740","display_name":"Software deployment","level":2,"score":0.0},{"id":"https://openalex.org/C153349607","wikidata":"https://www.wikidata.org/wiki/Q36649","display_name":"Visual arts","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/glocomw.2012.6477717","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocomw.2012.6477717","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE Globecom Workshops","raw_type":"proceedings-article"},{"id":"pmh:oai:DiVA.org:ltu-36959","is_oa":true,"landing_page_url":"http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-36959","pdf_url":null,"source":{"id":"https://openalex.org/S4306401559","display_name":"KTH Publication Database DiVA (KTH Royal Institute of Technology)","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":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"}],"best_oa_location":{"id":"pmh:oai:DiVA.org:ltu-36959","is_oa":true,"landing_page_url":"http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-36959","pdf_url":null,"source":{"id":"https://openalex.org/S4306401559","display_name":"KTH Publication Database DiVA (KTH Royal Institute of Technology)","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":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/9","display_name":"Industry, innovation and infrastructure","score":0.5400000214576721}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W192702445","https://openalex.org/W1551090357","https://openalex.org/W1596339374","https://openalex.org/W1971362660","https://openalex.org/W1983458787","https://openalex.org/W2018738191","https://openalex.org/W2023900366","https://openalex.org/W2049483587","https://openalex.org/W2125316131","https://openalex.org/W2137657905"],"related_works":["https://openalex.org/W2808454856","https://openalex.org/W4310188041","https://openalex.org/W2040022957","https://openalex.org/W1498985941","https://openalex.org/W2559866611","https://openalex.org/W2191708173","https://openalex.org/W4386211594","https://openalex.org/W3088663442","https://openalex.org/W2105214616","https://openalex.org/W2174890184"],"abstract_inverted_index":{"In":[0],"this":[1,67],"paper":[2,68],"we":[3,126],"present":[4],"some":[5],"contemporary":[6],"examples":[7],"of":[8,23,45,58,66,118],"research-oriented":[9],"as":[10,12,43,159,161],"well":[11],"commercial":[13,34],"content":[14],"delivery":[15],"networks":[16],"(CDN)s.":[17],"We":[18,36],"discuss":[19],"how":[20],"both":[21],"types":[22],"CDNs":[24],"complement":[25],"each":[26],"other":[27],"in":[28,62,124,129,164],"tackling":[29],"the":[30,56,88,115,119,148,154],"posed":[31],"technical":[32],"and":[33,48,60,84,93,101,108,150],"challenges.":[35],"also":[37],"show":[38,140],"which":[39],"performance":[40],"metrics":[41,152],"such":[42],"quality":[44],"experience":[46],"(QoE)":[47],"time":[49],"to":[50,114,131],"first":[51],"byte":[52],"(TTFB)":[53],"best":[54],"capture":[55],"dynamics":[57],"traffic":[59],"services":[61],"CDNs.":[63],"The":[64,77],"core":[65],"is":[69,143],"our":[70],"proposed":[71],"network":[72,94],"architecture":[73,78],"for":[74,97,105],"CDN":[75],"providers/operators.":[76],"combines":[79],"video":[80],"multicast":[81],"optimized":[82],"trees":[83],"cross-layer":[85],"coordination":[86],"between":[87,147],"physical":[89],"DWDM":[90],"layer":[91,95],"(L1)":[92],"(L3)":[96],"achieving":[98],"higher":[99],"efficiency":[100],"lower":[102],"latency":[103],"values":[104,158],"live":[106],"streaming":[107],"on":[109,134,157],"demand":[110],"(VoD)":[111],"video.":[112],"Due":[113],"pilot":[116],"implementation":[117],"presented":[120],"concept":[121],"being":[122],"limited":[123],"scale,":[125],"use":[127],"simulations":[128],"order":[130],"perform":[132],"proof-of-concept":[133],"a":[135,144,165],"sufficiently":[136],"large":[137],"environment.":[138],"Results":[139],"that":[141],"there":[142],"strong":[145],"correlation":[146],"TTFB":[149],"QoE":[151],"with":[153],"former":[155],"taking":[156],"low":[160],"75":[162],"msec":[163],"national":[166],"3-tier":[167],"network.":[168]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":3},{"year":2021,"cited_by_count":1},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":1},{"year":2015,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
