{"id":"https://openalex.org/W3136254577","doi":"https://doi.org/10.3390/s21062060","title":"FLEX-IoT: Secure and Resource-Efficient Network Boot System for Flexible-IoT Platform","display_name":"FLEX-IoT: Secure and Resource-Efficient Network Boot System for Flexible-IoT Platform","publication_year":2021,"publication_date":"2021-03-15","ids":{"openalex":"https://openalex.org/W3136254577","doi":"https://doi.org/10.3390/s21062060","mag":"3136254577","pmid":"https://pubmed.ncbi.nlm.nih.gov/33804196"},"language":"en","primary_location":{"id":"doi:10.3390/s21062060","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s21062060","pdf_url":"https://www.mdpi.com/1424-8220/21/6/2060/pdf?version=1616079641","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/1424-8220/21/6/2060/pdf?version=1616079641","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5002799678","display_name":"Keon-Ho Park","orcid":"https://orcid.org/0000-0003-3264-3601"},"institutions":[{"id":"https://openalex.org/I28777354","display_name":"Sejong University","ror":"https://ror.org/00aft1q37","country_code":"KR","type":"education","lineage":["https://openalex.org/I28777354"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Keon-Ho Park","raw_affiliation_strings":["Department of Computer and Information Security, and Convergence Engineering for Intelligent Drone, Sejong University, Seoul 05006, Korea"],"raw_orcid":"https://orcid.org/0000-0003-3264-3601","affiliations":[{"raw_affiliation_string":"Department of Computer and Information Security, and Convergence Engineering for Intelligent Drone, Sejong University, Seoul 05006, Korea","institution_ids":["https://openalex.org/I28777354"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5000116164","display_name":"Seong-Jin Kim","orcid":"https://orcid.org/0000-0001-9660-2708"},"institutions":[{"id":"https://openalex.org/I28777354","display_name":"Sejong University","ror":"https://ror.org/00aft1q37","country_code":"KR","type":"education","lineage":["https://openalex.org/I28777354"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Seong-Jin Kim","raw_affiliation_strings":["Department of Computer and Information Security, and Convergence Engineering for Intelligent Drone, Sejong University, Seoul 05006, Korea"],"raw_orcid":"https://orcid.org/0000-0001-9660-2708","affiliations":[{"raw_affiliation_string":"Department of Computer and Information Security, and Convergence Engineering for Intelligent Drone, Sejong University, Seoul 05006, Korea","institution_ids":["https://openalex.org/I28777354"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5073360293","display_name":"Joobeom Yun","orcid":"https://orcid.org/0000-0002-7264-2446"},"institutions":[{"id":"https://openalex.org/I28777354","display_name":"Sejong University","ror":"https://ror.org/00aft1q37","country_code":"KR","type":"education","lineage":["https://openalex.org/I28777354"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Joobeom Yun","raw_affiliation_strings":["Department of Computer and Information Security, and Convergence Engineering for Intelligent Drone, Sejong University, Seoul 05006, Korea"],"raw_orcid":"https://orcid.org/0000-0002-7264-2446","affiliations":[{"raw_affiliation_string":"Department of Computer and Information Security, and Convergence Engineering for Intelligent Drone, Sejong University, Seoul 05006, Korea","institution_ids":["https://openalex.org/I28777354"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5076331822","display_name":"Seung\u2010Ho Lim","orcid":"https://orcid.org/0000-0003-3096-0785"},"institutions":[{"id":"https://openalex.org/I83436808","display_name":"Hankuk University of Foreign Studies","ror":"https://ror.org/051q2m369","country_code":"KR","type":"education","lineage":["https://openalex.org/I83436808"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Seung-Ho Lim","raw_affiliation_strings":["Division of Computer Engineering, Hankuk University of Foreign Studies, Yongin 17035, Korea"],"raw_orcid":"https://orcid.org/0000-0003-3096-0785","affiliations":[{"raw_affiliation_string":"Division of Computer Engineering, Hankuk University of Foreign Studies, Yongin 17035, Korea","institution_ids":["https://openalex.org/I83436808"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5037312953","display_name":"Ki-Woong Park","orcid":"https://orcid.org/0000-0002-3377-223X"},"institutions":[{"id":"https://openalex.org/I28777354","display_name":"Sejong University","ror":"https://ror.org/00aft1q37","country_code":"KR","type":"education","lineage":["https://openalex.org/I28777354"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Ki-Woong Park","raw_affiliation_strings":["Department of Computer and Information Security, and Convergence Engineering for Intelligent Drone, Sejong University, Seoul 05006, Korea"],"raw_orcid":"https://orcid.org/0000-0002-3377-223X","affiliations":[{"raw_affiliation_string":"Department of Computer and Information Security, and Convergence Engineering for Intelligent Drone, Sejong University, Seoul 05006, Korea","institution_ids":["https://openalex.org/I28777354"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5037312953","https://openalex.org/A5076331822"],"corresponding_institution_ids":["https://openalex.org/I28777354","https://openalex.org/I83436808"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2673},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2673},"fwci":0.3906,"has_fulltext":true,"cited_by_count":3,"citation_normalized_percentile":{"value":0.62512929,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"21","issue":"6","first_page":"2060","last_page":"2060"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10273","display_name":"IoT and Edge/Fog Computing","score":0.9994000196456909,"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/T10273","display_name":"IoT and Edge/Fog Computing","score":0.9994000196456909,"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":0.9970999956130981,"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/T10400","display_name":"Network Security and Intrusion Detection","score":0.9969000220298767,"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/flex","display_name":"FLEX","score":0.7770708203315735},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7064333558082581},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.5562289357185364},{"id":"https://openalex.org/keywords/schedule","display_name":"Schedule","score":0.5445303320884705},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.5437700152397156},{"id":"https://openalex.org/keywords/internet-of-things","display_name":"Internet of Things","score":0.5006036758422852},{"id":"https://openalex.org/keywords/access-control","display_name":"Access control","score":0.4995424747467041},{"id":"https://openalex.org/keywords/json","display_name":"JSON","score":0.48301729559898376},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.3711649179458618},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.28745773434638977},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.09472101926803589}],"concepts":[{"id":"https://openalex.org/C2776252893","wikidata":"https://www.wikidata.org/wiki/Q1364836","display_name":"FLEX","level":2,"score":0.7770708203315735},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7064333558082581},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.5562289357185364},{"id":"https://openalex.org/C68387754","wikidata":"https://www.wikidata.org/wiki/Q7271585","display_name":"Schedule","level":2,"score":0.5445303320884705},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.5437700152397156},{"id":"https://openalex.org/C81860439","wikidata":"https://www.wikidata.org/wiki/Q251212","display_name":"Internet of Things","level":2,"score":0.5006036758422852},{"id":"https://openalex.org/C527821871","wikidata":"https://www.wikidata.org/wiki/Q228502","display_name":"Access control","level":2,"score":0.4995424747467041},{"id":"https://openalex.org/C2780416260","wikidata":"https://www.wikidata.org/wiki/Q2063","display_name":"JSON","level":2,"score":0.48301729559898376},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.3711649179458618},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.28745773434638977},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.09472101926803589},{"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":5,"locations":[{"id":"doi:10.3390/s21062060","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s21062060","pdf_url":"https://www.mdpi.com/1424-8220/21/6/2060/pdf?version=1616079641","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},{"id":"pmid:33804196","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/33804196","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors (Basel, Switzerland)","raw_type":null},{"id":"pmh:oai:doaj.org/article:5b588f894e434d059d28fb896070b6a9","is_oa":true,"landing_page_url":"https://doaj.org/article/5b588f894e434d059d28fb896070b6a9","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","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":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors, Vol 21, Iss 6, p 2060 (2021)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/1424-8220/21/6/2060/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/s21062060","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors; Volume 21; Issue 6; Pages: 2060","raw_type":"Text"},{"id":"pmh:oai:pubmedcentral.nih.gov:8002125","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/8002125","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors (Basel)","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/s21062060","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s21062060","pdf_url":"https://www.mdpi.com/1424-8220/21/6/2060/pdf?version=1616079641","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/8","display_name":"Decent work and economic growth","score":0.5}],"awards":[{"id":"https://openalex.org/G3705936677","display_name":null,"funder_award_id":"2019-0-00426","funder_id":"https://openalex.org/F4320335489","funder_display_name":"Institute for Information and Communications Technology Promotion"},{"id":"https://openalex.org/G6655009428","display_name":null,"funder_award_id":"NRF-2020R1A2C4002737","funder_id":"https://openalex.org/F4320322120","funder_display_name":"National Research Foundation of Korea"},{"id":"https://openalex.org/G8386032237","display_name":null,"funder_award_id":"2019-0-00426","funder_id":"https://openalex.org/F4320322120","funder_display_name":"National Research Foundation of Korea"}],"funders":[{"id":"https://openalex.org/F4320320671","display_name":"National Research Foundation","ror":"https://ror.org/05s0g1g46"},{"id":"https://openalex.org/F4320322120","display_name":"National Research Foundation of Korea","ror":"https://ror.org/013aysd81"},{"id":"https://openalex.org/F4320335489","display_name":"Institute for Information and Communications Technology Promotion","ror":"https://ror.org/01g0hqq23"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3136254577.pdf","grobid_xml":"https://content.openalex.org/works/W3136254577.grobid-xml"},"referenced_works_count":26,"referenced_works":["https://openalex.org/W193648907","https://openalex.org/W1548740781","https://openalex.org/W1964626709","https://openalex.org/W2009033060","https://openalex.org/W2015684850","https://openalex.org/W2038908732","https://openalex.org/W2056980397","https://openalex.org/W2104692292","https://openalex.org/W2107551255","https://openalex.org/W2130973830","https://openalex.org/W2155211735","https://openalex.org/W2289218694","https://openalex.org/W2327614742","https://openalex.org/W2341128141","https://openalex.org/W2555376150","https://openalex.org/W2592359115","https://openalex.org/W2734854195","https://openalex.org/W2896811869","https://openalex.org/W2898295085","https://openalex.org/W2911297108","https://openalex.org/W2951694401","https://openalex.org/W2964002470","https://openalex.org/W4239574044","https://openalex.org/W4376849844","https://openalex.org/W6607794886","https://openalex.org/W6734163532"],"related_works":["https://openalex.org/W2753132265","https://openalex.org/W4234766820","https://openalex.org/W4321232174","https://openalex.org/W3117520771","https://openalex.org/W2482048793","https://openalex.org/W4388027365","https://openalex.org/W2938860153","https://openalex.org/W4250698707","https://openalex.org/W4312551432","https://openalex.org/W2365783963"],"abstract_inverted_index":{"In":[0,285],"an":[1,42,71,125],"internet":[2],"of":[3,11,17,38,94,147,167,176,202,211,227,279,294],"things":[4],"(IoT)":[5],"platform":[6,44,127,141,255],"with":[7,185,281],"a":[8,99,112,120,177,190,212,252],"copious":[9],"number":[10],"IoT":[12,20,43,85,126,134,140,150,230,240,254],"devices":[13,21,86,135,151,231],"and":[14,155,189,216,242,256],"active":[15],"variation":[16,93],"operational":[18],"purpose,":[19],"should":[22],"be":[23],"able":[24],"to":[25,31,91,130,162,197,248,274],"dynamically":[26],"change":[27,164],"their":[28,95],"system":[29,88,113,118,168,200,271,296],"images":[30,89,297],"play":[32],"various":[33],"roles.":[34],"However,":[35],"the":[36,51,75,78,92,104,133,137,145,149,153,156,165,186,199,203,225,228,234,239,243,249,258,277,287,292,299,308],"employment":[37],"such":[39],"features":[40],"in":[41,136],"is":[45,58,70,182],"hindered":[46],"by":[47,302],"several":[48],"factors.":[49],"Firstly,":[50],"trivial":[52],"file":[53,192,213,221],"transfer":[54,170,193],"protocol":[55],"(TFTP),":[56],"which":[57,97,123,181],"generally":[59],"used":[60],"for":[61,74,251,261],"network":[62,79,101,262],"boot,":[63,80],"has":[64],"major":[65],"security":[66,247],"vulnerabilities.":[67],"Secondly,":[68],"there":[69,82],"excessive":[72],"demand":[73],"server":[76,300],"during":[77],"since":[81],"are":[83],"numerous":[84],"requesting":[87],"according":[90],"roles,":[96],"exerts":[98],"heavy":[100],"overhead":[102],"on":[103,152,233,266,298,304],"server.":[105,204,244],"To":[106],"tackle":[107],"these":[108],"challenges,":[109],"we":[110],"propose":[111],"termed":[114],"FLEX-IoT.":[115],"The":[116,139,205,220,269],"proposed":[117,206,270,309],"maintains":[119],"FLEX-IoT":[121,157,174,245],"orchestrater":[122,158],"uses":[124],"operation":[128,142],"schedule":[129,143,161],"flexibly":[131,163],"operate":[132],"platform.":[138],"contains":[144],"schedules":[146],"all":[148],"platform,":[154],"employs":[159],"this":[160],"mode":[166],"image":[169],"at":[171],"each":[172],"moment.":[173],"consists":[175],"secure":[178,207],"TFTP":[179,208,250,280],"service,":[180],"fully":[183],"compatible":[184],"conventional":[187],"TFTP,":[188],"resource-efficient":[191],"method":[194],"(adaptive":[195],"transfer)":[196],"streamline":[198],"performance":[201],"service":[209],"comprises":[210],"access":[214,222],"control":[215,223],"attacker":[217],"deception":[218],"technique.":[219],"verifies":[224],"identity":[226],"legitimate":[229],"based":[232,265],"hash":[235],"chain":[236],"shared":[237],"between":[238],"device":[241],"provides":[246],"flexible":[253],"minimizes":[257],"response":[259],"time":[260],"boot":[263],"requests":[264],"adaptive":[267],"transfer.":[268],"was":[272],"found":[273],"significantly":[275],"increase":[276],"attack-resistance":[278],"little":[282],"additional":[283],"overhead.":[284],"addition,":[286],"simulation":[288],"results":[289],"show":[290],"that":[291],"volume":[293],"transferred":[295],"decreased":[301],"27%":[303],"average,":[305],"when":[306],"using":[307],"system.":[310]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2021,"cited_by_count":1}],"updated_date":"2026-07-30T17:31:21.811387","created_date":"2025-10-10T00:00:00"}
