{"id":"https://openalex.org/W2735921256","doi":"https://doi.org/10.1145/3105577","title":"Pithos","display_name":"Pithos","publication_year":2017,"publication_date":"2017-07-12","ids":{"openalex":"https://openalex.org/W2735921256","doi":"https://doi.org/10.1145/3105577","mag":"2735921256"},"language":"en","primary_location":{"id":"doi:10.1145/3105577","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3105577","pdf_url":null,"source":{"id":"https://openalex.org/S19610489","display_name":"ACM Transactions on Multimedia Computing Communications and Applications","issn_l":"1551-6857","issn":["1551-6857","1551-6865"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Multimedia Computing, Communications, and Applications","raw_type":"journal-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/A5091413322","display_name":"Herman A. Engelbrecht","orcid":"https://orcid.org/0000-0001-8753-8994"},"institutions":[{"id":"https://openalex.org/I26092322","display_name":"Stellenbosch University","ror":"https://ror.org/05bk57929","country_code":"ZA","type":"education","lineage":["https://openalex.org/I26092322"]}],"countries":["ZA"],"is_corresponding":false,"raw_author_name":"Herman A. Engelbrecht","raw_affiliation_strings":["MIH Media Lab, Stellenbosch University, South Africa"],"raw_orcid":"https://orcid.org/0000-0001-8753-8994","affiliations":[{"raw_affiliation_string":"MIH Media Lab, Stellenbosch University, South Africa","institution_ids":["https://openalex.org/I26092322"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5011814346","display_name":"John S. Gilmore","orcid":null},"institutions":[{"id":"https://openalex.org/I26092322","display_name":"Stellenbosch University","ror":"https://ror.org/05bk57929","country_code":"ZA","type":"education","lineage":["https://openalex.org/I26092322"]}],"countries":["ZA"],"is_corresponding":false,"raw_author_name":"John S. Gilmore","raw_affiliation_strings":["MIH Media Lab, Stellenbosch University, South Africa"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"MIH Media Lab, Stellenbosch University, South Africa","institution_ids":["https://openalex.org/I26092322"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I26092322"],"apc_list":null,"apc_paid":null,"fwci":1.5377,"has_fulltext":false,"cited_by_count":12,"citation_normalized_percentile":{"value":0.85296193,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"13","issue":"3","first_page":"1","last_page":"33"},"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":0.9997000098228455,"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":0.9940999746322632,"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":0.8346297144889832},{"id":"https://openalex.org/keywords/scalability","display_name":"Scalability","score":0.8324458599090576},{"id":"https://openalex.org/keywords/overlay","display_name":"Overlay","score":0.6108722686767578},{"id":"https://openalex.org/keywords/distributed-data-store","display_name":"Distributed data store","score":0.6081857681274414},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.5961275696754456},{"id":"https://openalex.org/keywords/overlay-network","display_name":"Overlay network","score":0.5909592509269714},{"id":"https://openalex.org/keywords/latency","display_name":"Latency (audio)","score":0.5838490724563599},{"id":"https://openalex.org/keywords/peer-to-peer","display_name":"Peer-to-peer","score":0.5298761129379272},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.4943552017211914},{"id":"https://openalex.org/keywords/load-balancing","display_name":"Load balancing (electrical power)","score":0.4938124120235443},{"id":"https://openalex.org/keywords/reliability","display_name":"Reliability (semiconductor)","score":0.4838358461856842},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.43952885270118713},{"id":"https://openalex.org/keywords/computer-data-storage","display_name":"Computer data storage","score":0.4127557575702667},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.19186457991600037},{"id":"https://openalex.org/keywords/the-internet","display_name":"The Internet","score":0.17547544836997986},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.07031580805778503}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8346297144889832},{"id":"https://openalex.org/C48044578","wikidata":"https://www.wikidata.org/wiki/Q727490","display_name":"Scalability","level":2,"score":0.8324458599090576},{"id":"https://openalex.org/C136085584","wikidata":"https://www.wikidata.org/wiki/Q910289","display_name":"Overlay","level":2,"score":0.6108722686767578},{"id":"https://openalex.org/C24885549","wikidata":"https://www.wikidata.org/wiki/Q339678","display_name":"Distributed data store","level":2,"score":0.6081857681274414},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.5961275696754456},{"id":"https://openalex.org/C169851745","wikidata":"https://www.wikidata.org/wiki/Q1331985","display_name":"Overlay network","level":3,"score":0.5909592509269714},{"id":"https://openalex.org/C82876162","wikidata":"https://www.wikidata.org/wiki/Q17096504","display_name":"Latency (audio)","level":2,"score":0.5838490724563599},{"id":"https://openalex.org/C534932454","wikidata":"https://www.wikidata.org/wiki/Q161410","display_name":"Peer-to-peer","level":2,"score":0.5298761129379272},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.4943552017211914},{"id":"https://openalex.org/C138959212","wikidata":"https://www.wikidata.org/wiki/Q1806783","display_name":"Load balancing (electrical power)","level":3,"score":0.4938124120235443},{"id":"https://openalex.org/C43214815","wikidata":"https://www.wikidata.org/wiki/Q7310987","display_name":"Reliability (semiconductor)","level":3,"score":0.4838358461856842},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.43952885270118713},{"id":"https://openalex.org/C194739806","wikidata":"https://www.wikidata.org/wiki/Q66221","display_name":"Computer data storage","level":2,"score":0.4127557575702667},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.19186457991600037},{"id":"https://openalex.org/C110875604","wikidata":"https://www.wikidata.org/wiki/Q75","display_name":"The Internet","level":2,"score":0.17547544836997986},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.07031580805778503},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.0},{"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/C187691185","wikidata":"https://www.wikidata.org/wiki/Q2020720","display_name":"Grid","level":2,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3105577","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3105577","pdf_url":null,"source":{"id":"https://openalex.org/S19610489","display_name":"ACM Transactions on Multimedia Computing Communications and Applications","issn_l":"1551-6857","issn":["1551-6857","1551-6865"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Multimedia Computing, Communications, and Applications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.5099999904632568,"display_name":"Industry, innovation and infrastructure","id":"https://metadata.un.org/sdg/9"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":74,"referenced_works":["https://openalex.org/W30160393","https://openalex.org/W348805527","https://openalex.org/W1550064664","https://openalex.org/W1565312857","https://openalex.org/W1585981768","https://openalex.org/W1602681104","https://openalex.org/W1957582590","https://openalex.org/W1966301639","https://openalex.org/W1967005434","https://openalex.org/W1978604783","https://openalex.org/W1986068399","https://openalex.org/W1987281948","https://openalex.org/W1990124910","https://openalex.org/W1991772919","https://openalex.org/W1994471981","https://openalex.org/W1997096104","https://openalex.org/W2002337688","https://openalex.org/W2005716896","https://openalex.org/W2015918750","https://openalex.org/W2016351614","https://openalex.org/W2020117581","https://openalex.org/W2023426379","https://openalex.org/W2026965577","https://openalex.org/W2030951534","https://openalex.org/W2034698773","https://openalex.org/W2035093018","https://openalex.org/W2035289834","https://openalex.org/W2039703259","https://openalex.org/W2044049108","https://openalex.org/W2064405678","https://openalex.org/W2073401877","https://openalex.org/W2082153260","https://openalex.org/W2093810697","https://openalex.org/W2096686333","https://openalex.org/W2098835287","https://openalex.org/W2101333301","https://openalex.org/W2102185825","https://openalex.org/W2104422874","https://openalex.org/W2105599110","https://openalex.org/W2107369284","https://openalex.org/W2111299212","https://openalex.org/W2111880613","https://openalex.org/W2119245106","https://openalex.org/W2121531691","https://openalex.org/W2123820820","https://openalex.org/W2123978193","https://openalex.org/W2125051048","https://openalex.org/W2125530623","https://openalex.org/W2136138678","https://openalex.org/W2143107836","https://openalex.org/W2145550624","https://openalex.org/W2145872061","https://openalex.org/W2149983222","https://openalex.org/W2151100432","https://openalex.org/W2151678317","https://openalex.org/W2158049821","https://openalex.org/W2159724970","https://openalex.org/W2164433993","https://openalex.org/W2165232124","https://openalex.org/W2165929725","https://openalex.org/W2167898414","https://openalex.org/W2169486375","https://openalex.org/W2170665847","https://openalex.org/W2171957559","https://openalex.org/W2174507869","https://openalex.org/W2343102376","https://openalex.org/W2505364969","https://openalex.org/W2801742320","https://openalex.org/W3006030918","https://openalex.org/W3025068602","https://openalex.org/W4250390143","https://openalex.org/W4254019431","https://openalex.org/W4255494496","https://openalex.org/W4285719527"],"related_works":["https://openalex.org/W1968999284","https://openalex.org/W2749656779","https://openalex.org/W2281592630","https://openalex.org/W1577912837","https://openalex.org/W2890987641","https://openalex.org/W2374861481","https://openalex.org/W2785349009","https://openalex.org/W2205290344","https://openalex.org/W2994768483","https://openalex.org/W2025557598"],"abstract_inverted_index":{"There":[0],"has":[1,33],"been":[2,19],"significant":[3],"research":[4,68],"effort":[5],"into":[6],"peer-to-peer":[7],"(P2P)":[8],"massively":[9],"multi-user":[10],"virtual":[11],"environments":[12],"(MMVEs).":[13],"A":[14],"number":[15,37],"of":[16,29,38,46,51,77,120,173,184,219,227],"architectures":[17,65,122],"have":[18,71],"proposed":[20],"to":[21,100,125,150,159,169,187],"implement":[22],"the":[23,27,47,116,140,193,223],"P2P":[24,57,101,108,127],"approach;":[25],"however,":[26],"development":[28],"fully":[30],"distributed":[31,96],"MMVEs":[32],"met":[34],"with":[35,153,157,215,222],"a":[36,171,182],"challenges.":[39],"In":[40],"this":[41],"work,":[42],"we":[43,70,87,111],"address":[44,84],"one":[45],"key":[48],"remaining":[49],"challenges":[50],"state":[52,61,128],"consistency":[53],"and":[54,63,81,94,110,118,163],"persistency":[55,64,129],"in":[56,179],"MMVEs.":[58,102],"Having":[59],"reviewed":[60],"management":[62],"currently":[66],"receiving":[67],"attention,":[69],"identified":[72],"deficiencies":[73],"such":[74],"as":[75,123,134],"lack":[76],"load":[78],"balancing,":[79],"responsiveness,":[80],"scalability.":[82],"To":[83],"these":[85],"deficiencies,":[86],"present":[88],"Pithos\u2014a":[89],"reliable,":[90],"responsive,":[91],"secure,":[92],"load-balanced,":[93],"scalable":[95],"storage":[97,121,162,190,197],"system,":[98],"suited":[99],"Pithos":[103,131,180,207],"is":[104,132,146,208],"designed":[105],"specifically":[106],"for":[107],"MMVEs,":[109],"show":[112],"that":[113,166],"it":[114],"improves":[115],"reliability":[117],"responsiveness":[119,218,226],"compared":[124,221],"existing":[126],"architectures.":[130],"implemented":[133],"an":[135,216],"OverSim":[136],"simulation":[137,143],"running":[138],"on":[139],"OMNeT++":[141],"network":[142],"framework.":[144],"It":[145],"evaluated":[147],"using":[148,204],"up":[149,158],"10,400":[151],"peers,":[152],"realistic":[154],"latency":[155],"profiles,":[156],"15.8":[160],"million":[161,175],"retrieval":[164],"requests":[165],"are":[167],"generated":[168],"store":[170],"total":[172],"2.4":[174],"objects.":[176],"Each":[177],"peer":[178],"uses":[181],"maximum":[183],"1,950Bps":[185],"bandwidth":[186],"achieve":[188],"99.98%":[189],"reliability,":[191,203],"while":[192],"most":[194],"reliable":[195],"overlay":[196,213,225],"configuration":[198],"tested":[199],"only":[200],"achieved":[201],"93.65%":[202],"2,182Bps":[205],"bandwidth.":[206],"also":[209],"more":[210],"responsive":[211],"than":[212],"storage,":[214],"average":[217,224],"0.192s,":[220],"1.4s":[228],"when":[229],"retrieving":[230],"objects":[231],"from":[232],"storage.":[233]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":2}],"updated_date":"2026-06-26T08:34:08.712188","created_date":"2017-07-21T00:00:00"}
