{"id":"https://openalex.org/W1981954478","doi":"https://doi.org/10.1109/p2p.2010.5569991","title":"Unraveling BitTorrent's File Unavailability: Measurements and Analysis","display_name":"Unraveling BitTorrent's File Unavailability: Measurements and Analysis","publication_year":2010,"publication_date":"2010-08-01","ids":{"openalex":"https://openalex.org/W1981954478","doi":"https://doi.org/10.1109/p2p.2010.5569991","mag":"1981954478"},"language":"en","primary_location":{"id":"doi:10.1109/p2p.2010.5569991","is_oa":false,"landing_page_url":"https://doi.org/10.1109/p2p.2010.5569991","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2010 IEEE Tenth International Conference on Peer-to-Peer Computing (P2P)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5091807424","display_name":"Sebastian Kaune","orcid":null},"institutions":[{"id":"https://openalex.org/I31512782","display_name":"Technische Universit\u00e4t Darmstadt","ror":"https://ror.org/05n911h24","country_code":"DE","type":"education","lineage":["https://openalex.org/I31512782"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"S. Kaune","raw_affiliation_strings":["Technische Universit\u00e4t Darmstadt, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Technische Universit\u00e4t Darmstadt, Germany","institution_ids":["https://openalex.org/I31512782"]}]},{"author_position":"middle","author":{"id":null,"display_name":"R. C. Rumin","orcid":null},"institutions":[{"id":"https://openalex.org/I50357001","display_name":"Universidad Carlos III de Madrid","ror":"https://ror.org/03ths8210","country_code":"ES","type":"education","lineage":["https://openalex.org/I50357001"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"R. C. Rumin","raw_affiliation_strings":["Universidad Carlos III de Madrid, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Universidad Carlos III de Madrid, Spain","institution_ids":["https://openalex.org/I50357001"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023313904","display_name":"Gareth Tyson","orcid":"https://orcid.org/0000-0003-3010-791X"},"institutions":[{"id":"https://openalex.org/I67415387","display_name":"Lancaster University","ror":"https://ror.org/04f2nsd36","country_code":"GB","type":"education","lineage":["https://openalex.org/I67415387"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"G. Tyson","raw_affiliation_strings":["Lancaster University, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Lancaster University, UK","institution_ids":["https://openalex.org/I67415387"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5042425283","display_name":"Andreas Mauthe","orcid":"https://orcid.org/0000-0002-8727-9440"},"institutions":[{"id":"https://openalex.org/I67415387","display_name":"Lancaster University","ror":"https://ror.org/04f2nsd36","country_code":"GB","type":"education","lineage":["https://openalex.org/I67415387"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"A. Mauthe","raw_affiliation_strings":["Lancaster University, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Lancaster University, UK","institution_ids":["https://openalex.org/I67415387"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050455914","display_name":"Carmen Guerrero","orcid":"https://orcid.org/0000-0002-4872-6463"},"institutions":[{"id":"https://openalex.org/I50357001","display_name":"Universidad Carlos III de Madrid","ror":"https://ror.org/03ths8210","country_code":"ES","type":"education","lineage":["https://openalex.org/I50357001"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"C. Guerrero","raw_affiliation_strings":["Universidad Carlos III de Madrid, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Universidad Carlos III de Madrid, Spain","institution_ids":["https://openalex.org/I50357001"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5004933128","display_name":"Ralf Steinmetz","orcid":"https://orcid.org/0000-0002-6839-9359"},"institutions":[{"id":"https://openalex.org/I31512782","display_name":"Technische Universit\u00e4t Darmstadt","ror":"https://ror.org/05n911h24","country_code":"DE","type":"education","lineage":["https://openalex.org/I31512782"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"R. Steinmetz","raw_affiliation_strings":["Technische Universit\u00e4t Darmstadt, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Technische Universit\u00e4t Darmstadt, Germany","institution_ids":["https://openalex.org/I31512782"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":51,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"9"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10742","display_name":"Peer-to-Peer Network Technologies","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/T10742","display_name":"Peer-to-Peer Network Technologies","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/T11478","display_name":"Caching and Content Delivery","score":0.9998000264167786,"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":0.9955999851226807,"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/unavailability","display_name":"Unavailability","score":0.9851258397102356},{"id":"https://openalex.org/keywords/bittorrent","display_name":"BitTorrent","score":0.9765303134918213},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7778438329696655},{"id":"https://openalex.org/keywords/node","display_name":"Node (physics)","score":0.5009777545928955},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.4930672347545624},{"id":"https://openalex.org/keywords/scale","display_name":"Scale (ratio)","score":0.45699235796928406},{"id":"https://openalex.org/keywords/bittorrent-tracker","display_name":"BitTorrent tracker","score":0.4347636103630066},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.32927462458610535},{"id":"https://openalex.org/keywords/peer-to-peer","display_name":"Peer-to-peer","score":0.11730197072029114},{"id":"https://openalex.org/keywords/reliability-engineering","display_name":"Reliability engineering","score":0.115210622549057},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.07246440649032593},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.06947892904281616}],"concepts":[{"id":"https://openalex.org/C2780505938","wikidata":"https://www.wikidata.org/wiki/Q17093282","display_name":"Unavailability","level":2,"score":0.9851258397102356},{"id":"https://openalex.org/C520566109","wikidata":"https://www.wikidata.org/wiki/Q133862","display_name":"BitTorrent","level":3,"score":0.9765303134918213},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7778438329696655},{"id":"https://openalex.org/C62611344","wikidata":"https://www.wikidata.org/wiki/Q1062658","display_name":"Node (physics)","level":2,"score":0.5009777545928955},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.4930672347545624},{"id":"https://openalex.org/C2778755073","wikidata":"https://www.wikidata.org/wiki/Q10858537","display_name":"Scale (ratio)","level":2,"score":0.45699235796928406},{"id":"https://openalex.org/C57501372","wikidata":"https://www.wikidata.org/wiki/Q2021268","display_name":"BitTorrent tracker","level":3,"score":0.4347636103630066},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.32927462458610535},{"id":"https://openalex.org/C534932454","wikidata":"https://www.wikidata.org/wiki/Q161410","display_name":"Peer-to-peer","level":2,"score":0.11730197072029114},{"id":"https://openalex.org/C200601418","wikidata":"https://www.wikidata.org/wiki/Q2193887","display_name":"Reliability engineering","level":1,"score":0.115210622549057},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.07246440649032593},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.06947892904281616},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C56461940","wikidata":"https://www.wikidata.org/wiki/Q970687","display_name":"Eye tracking","level":2,"score":0.0},{"id":"https://openalex.org/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":6,"locations":[{"id":"doi:10.1109/p2p.2010.5569991","is_oa":false,"landing_page_url":"https://doi.org/10.1109/p2p.2010.5569991","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2010 IEEE Tenth International Conference on Peer-to-Peer Computing (P2P)","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.172.2801","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.172.2801","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.dcs.kcl.ac.uk/staff/tysong/files/P2P10.pdf","raw_type":"text"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.745.9922","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.745.9922","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://arxiv.org/pdf/0912.0625.pdf","raw_type":"text"},{"id":"pmh:oai:eprints.lancs.ac.uk:42498","is_oa":false,"landing_page_url":"https://eprints.lancs.ac.uk/id/eprint/42498/","pdf_url":null,"source":{"id":"https://openalex.org/S4306401916","display_name":"Lancaster EPrints (Lancaster University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I67415387","host_organization_name":"Lancaster University","host_organization_lineage":["https://openalex.org/I67415387"],"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":"Contribution in Book/Report/Proceedings"},{"id":"pmh:oai:repository.hkust.edu.hk:1783.1-157925","is_oa":false,"landing_page_url":"http://repository.hkust.edu.hk/ir/Record/1783.1-157925","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"},{"id":"pmh:oai:tubiblio.ulb.tu-darmstadt.de:46867","is_oa":false,"landing_page_url":"http://tubiblio.ulb.tu-darmstadt.de/46867/","pdf_url":null,"source":{"id":"https://openalex.org/S4377196390","display_name":"TUbilio (Technical University of Darmstadt)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I31512782","host_organization_name":"Technische Universit\u00e4t Darmstadt","host_organization_lineage":["https://openalex.org/I31512782"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Konferenzver\u00f6ffentlichung"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320321114","display_name":"Bundesministerium f\u00fcr Bildung und Forschung","ror":"https://ror.org/04pz7b180"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":23,"referenced_works":["https://openalex.org/W140935022","https://openalex.org/W239964209","https://openalex.org/W1606501333","https://openalex.org/W1630733292","https://openalex.org/W1853723677","https://openalex.org/W2103189012","https://openalex.org/W2111346848","https://openalex.org/W2119272577","https://openalex.org/W2146539853","https://openalex.org/W2156737568","https://openalex.org/W2166245380","https://openalex.org/W2166707941","https://openalex.org/W3041277256","https://openalex.org/W3161642056","https://openalex.org/W4246126403","https://openalex.org/W6605674665","https://openalex.org/W6609205758","https://openalex.org/W6635988287","https://openalex.org/W6636933019","https://openalex.org/W6638894700","https://openalex.org/W6676321883","https://openalex.org/W6681369802","https://openalex.org/W6684746792"],"related_works":["https://openalex.org/W1981954478","https://openalex.org/W2217575862","https://openalex.org/W1598962800","https://openalex.org/W1589734883","https://openalex.org/W1589001974","https://openalex.org/W2380981030","https://openalex.org/W2032430856","https://openalex.org/W2101961340","https://openalex.org/W2135424926","https://openalex.org/W1970750776"],"abstract_inverted_index":{"BitTorrent":[0,126],"suffers":[1],"from":[2,75],"one":[3],"fundamental":[4],"problem:":[5],"the":[6,23,62,73,98,104],"long-term":[7],"availability":[8,127],"of":[9,18,67,100,113,133],"content.":[10],"This":[11],"occurs":[12],"on":[13,84],"a":[14,81],"massive-scale":[15],"with":[16],"38%":[17],"torrents":[19,41,119],"becoming":[20],"unavailable":[21],"within":[22],"first":[24],"month.":[25],"In":[26],"this":[27,31],"paper":[28],"we":[29,90],"explore":[30],"problem":[32],"by":[33,53],"performing":[34],"two":[35],"large-scale":[36],"measurement":[37],"studies":[38,46],"including":[39],"46K":[40],"and":[42,57,65,87,124],"29M":[43],"users.":[44],"The":[45,70],"go":[47],"significantly":[48],"beyond":[49],"any":[50],"previous":[51,76],"work":[52],"combining":[54],"per-node,":[55],"per-torrent":[56],"system-wide":[58],"observations":[59],"to":[60],"ascertain":[61],"causes,":[63],"characteristics":[64],"repercussions":[66],"file":[68,109],"unavailability.":[69,135],"study":[71],"confirms":[72],"conclusion":[74],"works":[77],"that":[78,115],"seeders":[79,101],"have":[80],"significant":[82],"impact":[83],"both":[85],"performance":[86],"availability.":[88],"However,":[89],"also":[91],"present":[92],"some":[93],"crucial":[94],"new":[95],"findings:":[96],"(i)":[97],"presence":[99],"is":[102,128],"not":[103],"sole":[105],"factor":[106],"involved":[107],"in":[108,117,131],"availability,":[110],"(ii)":[111],"23.5%":[112],"nodes":[114],"operate":[116],"seedless":[118],"can":[120],"finish":[121],"their":[122],"downloads,":[123],"(iii)":[125],"discontinuous,":[129],"operating":[130],"cycles":[132],"temporary":[134]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":7},{"year":2013,"cited_by_count":8},{"year":2012,"cited_by_count":10}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}