{"id":"https://openalex.org/W2009620906","doi":"https://doi.org/10.1109/icnp.2011.6089057","title":"Contact duration aware data replication in Delay Tolerant Networks","display_name":"Contact duration aware data replication in Delay Tolerant Networks","publication_year":2011,"publication_date":"2011-10-01","ids":{"openalex":"https://openalex.org/W2009620906","doi":"https://doi.org/10.1109/icnp.2011.6089057","mag":"2009620906"},"language":"en","primary_location":{"id":"doi:10.1109/icnp.2011.6089057","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icnp.2011.6089057","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 19th IEEE International Conference on Network Protocols","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/A5038948292","display_name":"Xuejun Zhuo","orcid":"https://orcid.org/0000-0002-0366-6997"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xuejun Zhuo","raw_affiliation_strings":["Tsinghua National Laboratory for Information Science and Technology, Department of Computer Science and Technology, Tsinghua University, China","Tsinghua National Laboratory for Information Science and Technology, Dept. of Computer Science and Technology, Tsinghua University, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Tsinghua National Laboratory for Information Science and Technology, Department of Computer Science and Technology, Tsinghua University, China","institution_ids":["https://openalex.org/I99065089"]},{"raw_affiliation_string":"Tsinghua National Laboratory for Information Science and Technology, Dept. of Computer Science and Technology, Tsinghua University, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100670298","display_name":"Qinghua Li","orcid":"https://orcid.org/0000-0001-5291-1445"},"institutions":[{"id":"https://openalex.org/I130769515","display_name":"Pennsylvania State University","ror":"https://ror.org/04p491231","country_code":"US","type":"education","lineage":["https://openalex.org/I130769515"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Qinghua Li","raw_affiliation_strings":["Pennsylvania State University, USA","The Pennsylvania State University, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Pennsylvania State University, USA","institution_ids":["https://openalex.org/I130769515"]},{"raw_affiliation_string":"The Pennsylvania State University, USA","institution_ids":["https://openalex.org/I130769515"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006292758","display_name":"Wei Gao","orcid":"https://orcid.org/0000-0003-2144-6960"},"institutions":[{"id":"https://openalex.org/I130769515","display_name":"Pennsylvania State University","ror":"https://ror.org/04p491231","country_code":"US","type":"education","lineage":["https://openalex.org/I130769515"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Wei Gao","raw_affiliation_strings":["Pennsylvania State University, USA","The Pennsylvania State University, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Pennsylvania State University, USA","institution_ids":["https://openalex.org/I130769515"]},{"raw_affiliation_string":"The Pennsylvania State University, USA","institution_ids":["https://openalex.org/I130769515"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102287047","display_name":"Guohong Cao","orcid":null},"institutions":[{"id":"https://openalex.org/I130769515","display_name":"Pennsylvania State University","ror":"https://ror.org/04p491231","country_code":"US","type":"education","lineage":["https://openalex.org/I130769515"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Guohong Cao","raw_affiliation_strings":["Pennsylvania State University, USA","The Pennsylvania State University, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Pennsylvania State University, USA","institution_ids":["https://openalex.org/I130769515"]},{"raw_affiliation_string":"The Pennsylvania State University, USA","institution_ids":["https://openalex.org/I130769515"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5108446559","display_name":"Yiqi Dai","orcid":null},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yiqi Dai","raw_affiliation_strings":["Tsinghua National Laboratory for Information Science and Technology, Department of Computer Science and Technology, Tsinghua University, China","Tsinghua National Laboratory for Information Science and Technology, Dept. of Computer Science and Technology, Tsinghua University, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Tsinghua National Laboratory for Information Science and Technology, Department of Computer Science and Technology, Tsinghua University, China","institution_ids":["https://openalex.org/I99065089"]},{"raw_affiliation_string":"Tsinghua National Laboratory for Information Science and Technology, Dept. of Computer Science and Technology, Tsinghua University, China","institution_ids":["https://openalex.org/I99065089"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":76,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"236","last_page":"245"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11896","display_name":"Opportunistic and Delay-Tolerant Networks","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/T11896","display_name":"Opportunistic and Delay-Tolerant Networks","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/T13553","display_name":"Age of Information Optimization","score":0.9965999722480774,"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":0.9944999814033508,"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/replication","display_name":"Replication (statistics)","score":0.8706146478652954},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7903527617454529},{"id":"https://openalex.org/keywords/duration","display_name":"Duration (music)","score":0.7471811175346375},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.6392393708229065},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.6024234294891357},{"id":"https://openalex.org/keywords/the-internet","display_name":"The Internet","score":0.49965906143188477},{"id":"https://openalex.org/keywords/network-packet","display_name":"Network packet","score":0.4820602536201477},{"id":"https://openalex.org/keywords/replicate","display_name":"Replicate","score":0.4337511956691742},{"id":"https://openalex.org/keywords/data-sharing","display_name":"Data sharing","score":0.41399556398391724},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.082529217004776}],"concepts":[{"id":"https://openalex.org/C12590798","wikidata":"https://www.wikidata.org/wiki/Q3933199","display_name":"Replication (statistics)","level":2,"score":0.8706146478652954},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7903527617454529},{"id":"https://openalex.org/C112758219","wikidata":"https://www.wikidata.org/wiki/Q16038819","display_name":"Duration (music)","level":2,"score":0.7471811175346375},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.6392393708229065},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.6024234294891357},{"id":"https://openalex.org/C110875604","wikidata":"https://www.wikidata.org/wiki/Q75","display_name":"The Internet","level":2,"score":0.49965906143188477},{"id":"https://openalex.org/C158379750","wikidata":"https://www.wikidata.org/wiki/Q214111","display_name":"Network packet","level":2,"score":0.4820602536201477},{"id":"https://openalex.org/C2781162219","wikidata":"https://www.wikidata.org/wiki/Q26250693","display_name":"Replicate","level":2,"score":0.4337511956691742},{"id":"https://openalex.org/C2779965156","wikidata":"https://www.wikidata.org/wiki/Q5227350","display_name":"Data sharing","level":3,"score":0.41399556398391724},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.082529217004776},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0},{"id":"https://openalex.org/C142362112","wikidata":"https://www.wikidata.org/wiki/Q735","display_name":"Art","level":0,"score":0.0},{"id":"https://openalex.org/C204787440","wikidata":"https://www.wikidata.org/wiki/Q188504","display_name":"Alternative medicine","level":2,"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/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.0},{"id":"https://openalex.org/C124952713","wikidata":"https://www.wikidata.org/wiki/Q8242","display_name":"Literature","level":1,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/icnp.2011.6089057","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icnp.2011.6089057","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 19th IEEE International Conference on Network Protocols","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.228.2145","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.228.2145","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://mcn.cse.psu.edu/paper/xuejun-zhuo/replication-icnp11.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Industry, innovation and infrastructure","score":0.6299999952316284,"id":"https://metadata.un.org/sdg/9"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":34,"referenced_works":["https://openalex.org/W1595409123","https://openalex.org/W1966518282","https://openalex.org/W1966924243","https://openalex.org/W1989289072","https://openalex.org/W1995341435","https://openalex.org/W2005026120","https://openalex.org/W2026357470","https://openalex.org/W2035041033","https://openalex.org/W2039157284","https://openalex.org/W2067883080","https://openalex.org/W2082674813","https://openalex.org/W2100834185","https://openalex.org/W2105766965","https://openalex.org/W2112316694","https://openalex.org/W2112701160","https://openalex.org/W2118518442","https://openalex.org/W2129223406","https://openalex.org/W2130228020","https://openalex.org/W2135009572","https://openalex.org/W2139352451","https://openalex.org/W2140581108","https://openalex.org/W2141472779","https://openalex.org/W2143374307","https://openalex.org/W2143554828","https://openalex.org/W2149721632","https://openalex.org/W2161450107","https://openalex.org/W2164237594","https://openalex.org/W2166093893","https://openalex.org/W2169926009","https://openalex.org/W3162914541","https://openalex.org/W4234068324","https://openalex.org/W4236874490","https://openalex.org/W6647622225","https://openalex.org/W6678171017"],"related_works":["https://openalex.org/W4254851101","https://openalex.org/W3171007296","https://openalex.org/W22115721","https://openalex.org/W2321234655","https://openalex.org/W2065444835","https://openalex.org/W2053915529","https://openalex.org/W2111659373","https://openalex.org/W4398395683","https://openalex.org/W4398298289","https://openalex.org/W4398690544"],"abstract_inverted_index":{"The":[0],"recent":[1],"popularization":[2],"of":[3,19,51,106],"hand-held":[4],"mobile":[5,14,23],"devices,":[6],"such":[7,56],"as":[8,117],"smartphones,":[9],"enables":[10],"the":[11,17,52,60,95,104,113,118,127,133,148,153,176],"inter-connectivity":[12],"among":[13,45],"users":[15,24],"without":[16],"support":[18],"Internet":[20],"infrastructure.":[21],"When":[22],"move":[25],"and":[26,64,121,140,152,174,184,195],"contact":[27,66,96,134,154,161],"each":[28],"other":[29,197],"opportunistically,":[30],"they":[31,92],"form":[32],"a":[33,83,142,159,170],"Delay":[34],"Tolerant":[35],"Network":[36],"(DTN),":[37],"which":[38,111,167],"can":[39],"be":[40],"exploited":[41],"to":[42,73,123,145],"share":[43],"data":[44,57,77,88,108,115,125,137],"them.":[46],"Data":[47],"replication":[48,78,89,109,119,138,199],"is":[49],"one":[50],"common":[53],"techniques":[54],"for":[55],"sharing.":[58],"However,":[59],"unstable":[61],"network":[62],"topology":[63],"limited":[65,149],"duration":[67,97,135],"in":[68,90,169],"DTNs":[69],"make":[70],"it":[71],"difficult":[72],"directly":[74],"apply":[75],"traditional":[76],"schemes.":[79,200],"Although":[80],"there":[81],"are":[82],"few":[84],"existing":[85,107,198],"studies":[86],"on":[87,181],"DTNs,":[91],"generally":[93],"ignore":[94],"limits.":[98],"In":[99],"this":[100],"paper,":[101],"we":[102],"recognize":[103],"deficiency":[105],"schemes":[110],"treat":[112],"complete":[114],"item":[116],"unit,":[120],"propose":[122,158],"replicate":[124],"at":[126],"packet":[128],"level.":[129],"We":[130,156],"analytically":[131],"formulate":[132],"aware":[136],"problem":[139],"give":[141],"centralized":[143],"solution":[144],"better":[146],"utilize":[147],"storage":[150],"buffers":[151],"opportunities.":[155],"further":[157],"practical":[160],"Duration":[162],"Aware":[163],"Replication":[164],"Algorithm":[165],"(DARA)":[166],"operates":[168],"fully":[171],"distributed":[172,190],"manner":[173],"reduces":[175],"computational":[177],"complexity.":[178],"Extensive":[179],"simulations":[180],"both":[182],"synthetic":[183],"realistic":[185],"traces":[186],"show":[187],"that":[188],"our":[189],"scheme":[191],"achieves":[192],"close-to-optimal":[193],"performance,":[194],"outperforms":[196]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":4},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":8},{"year":2016,"cited_by_count":18},{"year":2015,"cited_by_count":11},{"year":2014,"cited_by_count":10},{"year":2013,"cited_by_count":13},{"year":2012,"cited_by_count":3}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}