{"id":"https://openalex.org/W2573563983","doi":"https://doi.org/10.1109/tnsm.2017.2654681","title":"Multi-Provider Service Chain Embedding With Nestor","display_name":"Multi-Provider Service Chain Embedding With Nestor","publication_year":2017,"publication_date":"2017-01-17","ids":{"openalex":"https://openalex.org/W2573563983","doi":"https://doi.org/10.1109/tnsm.2017.2654681","mag":"2573563983"},"language":"en","primary_location":{"id":"doi:10.1109/tnsm.2017.2654681","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tnsm.2017.2654681","pdf_url":null,"source":{"id":"https://openalex.org/S173527311","display_name":"IEEE Transactions on Network and Service Management","issn_l":"1932-4537","issn":["1932-4537","2373-7379"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Network and Service Management","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://www.repo.uni-hannover.de/handle/123456789/1695","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5002854630","display_name":"David Dietrich","orcid":"https://orcid.org/0000-0002-5558-2090"},"institutions":[{"id":"https://openalex.org/I114112103","display_name":"Leibniz University Hannover","ror":"https://ror.org/0304hq317","country_code":"DE","type":"education","lineage":["https://openalex.org/I114112103"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"David Dietrich","raw_affiliation_strings":["Institute of Communications Technology, Leibniz Universit\u00e4t Hannover, Hannover, Germany"],"affiliations":[{"raw_affiliation_string":"Institute of Communications Technology, Leibniz Universit\u00e4t Hannover, Hannover, Germany","institution_ids":["https://openalex.org/I114112103"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5049074706","display_name":"Ahmed Abujoda","orcid":null},"institutions":[{"id":"https://openalex.org/I114112103","display_name":"Leibniz University Hannover","ror":"https://ror.org/0304hq317","country_code":"DE","type":"education","lineage":["https://openalex.org/I114112103"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Ahmed Abujoda","raw_affiliation_strings":["Institute of Communications Technology, Leibniz Universit\u00e4t Hannover, Hannover, Germany"],"affiliations":[{"raw_affiliation_string":"Institute of Communications Technology, Leibniz Universit\u00e4t Hannover, Hannover, Germany","institution_ids":["https://openalex.org/I114112103"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050441394","display_name":"Amr Rizk","orcid":"https://orcid.org/0000-0002-9385-7729"},"institutions":[{"id":"https://openalex.org/I31512782","display_name":"Technical University of Darmstadt","ror":"https://ror.org/05n911h24","country_code":"DE","type":"education","lineage":["https://openalex.org/I31512782"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Amr Rizk","raw_affiliation_strings":["Multimedia Communications Lab., Technische Universit\u00e4t Darmstadt, Darmstadt, Germany"],"affiliations":[{"raw_affiliation_string":"Multimedia Communications Lab., Technische Universit\u00e4t Darmstadt, Darmstadt, Germany","institution_ids":["https://openalex.org/I31512782"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5057744054","display_name":"Panagiotis Papadimitriou","orcid":"https://orcid.org/0000-0001-5005-8866"},"institutions":[{"id":"https://openalex.org/I192756129","display_name":"University of Macedonia","ror":"https://ror.org/05fg6gr82","country_code":"GR","type":"education","lineage":["https://openalex.org/I192756129"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Panagiotis Papadimitriou","raw_affiliation_strings":["Department of Applied Informatics, University of Macedonia, Thessaloniki, Greece"],"affiliations":[{"raw_affiliation_string":"Department of Applied Informatics, University of Macedonia, Thessaloniki, Greece","institution_ids":["https://openalex.org/I192756129"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5002854630"],"corresponding_institution_ids":["https://openalex.org/I114112103"],"apc_list":null,"apc_paid":null,"fwci":6.1306,"has_fulltext":false,"cited_by_count":75,"citation_normalized_percentile":{"value":0.96678743,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":100},"biblio":{"volume":"14","issue":"1","first_page":"91","last_page":"105"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10714","display_name":"Software-Defined Networks and 5G","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/T10714","display_name":"Software-Defined Networks and 5G","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":0.9973000288009644,"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/T10847","display_name":"Advanced Optical Network Technologies","score":0.9958000183105469,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7963195443153381},{"id":"https://openalex.org/keywords/network-virtualization","display_name":"Network virtualization","score":0.5569936037063599},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.5271127820014954},{"id":"https://openalex.org/keywords/correctness","display_name":"Correctness","score":0.5063508749008179},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.5044029951095581},{"id":"https://openalex.org/keywords/network-topology","display_name":"Network topology","score":0.4970851242542267},{"id":"https://openalex.org/keywords/service-provider","display_name":"Service provider","score":0.46023866534233093},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.4254877269268036},{"id":"https://openalex.org/keywords/network-service","display_name":"Network service","score":0.4185697138309479},{"id":"https://openalex.org/keywords/service","display_name":"Service (business)","score":0.4182770848274231},{"id":"https://openalex.org/keywords/virtual-network","display_name":"Virtual network","score":0.41791096329689026},{"id":"https://openalex.org/keywords/virtualization","display_name":"Virtualization","score":0.35105228424072266},{"id":"https://openalex.org/keywords/cloud-computing","display_name":"Cloud computing","score":0.31392157077789307},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.18711569905281067},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.17114314436912537}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7963195443153381},{"id":"https://openalex.org/C2779898492","wikidata":"https://www.wikidata.org/wiki/Q4112081","display_name":"Network virtualization","level":4,"score":0.5569936037063599},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.5271127820014954},{"id":"https://openalex.org/C55439883","wikidata":"https://www.wikidata.org/wiki/Q360812","display_name":"Correctness","level":2,"score":0.5063508749008179},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.5044029951095581},{"id":"https://openalex.org/C199845137","wikidata":"https://www.wikidata.org/wiki/Q145490","display_name":"Network topology","level":2,"score":0.4970851242542267},{"id":"https://openalex.org/C116537","wikidata":"https://www.wikidata.org/wiki/Q2169973","display_name":"Service provider","level":3,"score":0.46023866534233093},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.4254877269268036},{"id":"https://openalex.org/C2779618445","wikidata":"https://www.wikidata.org/wiki/Q1640628","display_name":"Network service","level":2,"score":0.4185697138309479},{"id":"https://openalex.org/C2780378061","wikidata":"https://www.wikidata.org/wiki/Q25351891","display_name":"Service (business)","level":2,"score":0.4182770848274231},{"id":"https://openalex.org/C2776874963","wikidata":"https://www.wikidata.org/wiki/Q4112081","display_name":"Virtual network","level":2,"score":0.41791096329689026},{"id":"https://openalex.org/C513985346","wikidata":"https://www.wikidata.org/wiki/Q270471","display_name":"Virtualization","level":3,"score":0.35105228424072266},{"id":"https://openalex.org/C79974875","wikidata":"https://www.wikidata.org/wiki/Q483639","display_name":"Cloud computing","level":2,"score":0.31392157077789307},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.18711569905281067},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.17114314436912537},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C136264566","wikidata":"https://www.wikidata.org/wiki/Q159810","display_name":"Economy","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/tnsm.2017.2654681","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tnsm.2017.2654681","pdf_url":null,"source":{"id":"https://openalex.org/S173527311","display_name":"IEEE Transactions on Network and Service Management","issn_l":"1932-4537","issn":["1932-4537","2373-7379"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Network and Service Management","raw_type":"journal-article"},{"id":"pmh:oai:www.repo.uni-hannover.de:123456789/1695","is_oa":true,"landing_page_url":"http://www.repo.uni-hannover.de/handle/123456789/1695","pdf_url":null,"source":{"id":"https://openalex.org/S4306401575","display_name":"Institutional Repository of Leibniz Universit\u00e4t Hannover (Leibniz Universit\u00e4t Hannover)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I114112103","host_organization_name":"Leibniz University Hannover","host_organization_lineage":["https://openalex.org/I114112103"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Transactions on Network and Service Management 14 (2017), Nr. 1","raw_type":"status-type:acceptedVersion"},{"id":"doi:10.15488/1670","is_oa":true,"landing_page_url":"https://doi.org/10.15488/1670","pdf_url":null,"source":{"id":"https://openalex.org/S7407052956","display_name":"Leibniz Universit\u00e4t Hannover","issn_l":null,"issn":[],"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":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"article-journal"}],"best_oa_location":{"id":"pmh:oai:www.repo.uni-hannover.de:123456789/1695","is_oa":true,"landing_page_url":"http://www.repo.uni-hannover.de/handle/123456789/1695","pdf_url":null,"source":{"id":"https://openalex.org/S4306401575","display_name":"Institutional Repository of Leibniz Universit\u00e4t Hannover (Leibniz Universit\u00e4t Hannover)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I114112103","host_organization_name":"Leibniz University Hannover","host_organization_lineage":["https://openalex.org/I114112103"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Transactions on Network and Service Management 14 (2017), Nr. 1","raw_type":"status-type:acceptedVersion"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/8","display_name":"Decent work and economic growth","score":0.44999998807907104}],"awards":[{"id":"https://openalex.org/G2455828306","display_name":null,"funder_award_id":"619520","funder_id":"https://openalex.org/F4320334788","funder_display_name":"Directorate-General for Communications Networks, Content and Technology"}],"funders":[{"id":"https://openalex.org/F4320320879","display_name":"Deutsche Forschungsgemeinschaft","ror":"https://ror.org/018mejw64"},{"id":"https://openalex.org/F4320334788","display_name":"Directorate-General for Communications Networks, Content and Technology","ror":"https://ror.org/00w9hey63"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":56,"referenced_works":["https://openalex.org/W49496018","https://openalex.org/W1575807801","https://openalex.org/W1578960134","https://openalex.org/W1583175181","https://openalex.org/W1606443573","https://openalex.org/W1608647889","https://openalex.org/W1651984967","https://openalex.org/W1806026872","https://openalex.org/W1972771074","https://openalex.org/W1993865637","https://openalex.org/W2000238032","https://openalex.org/W2007018477","https://openalex.org/W2022070214","https://openalex.org/W2037206848","https://openalex.org/W2046209263","https://openalex.org/W2056616673","https://openalex.org/W2070895610","https://openalex.org/W2071718127","https://openalex.org/W2079729454","https://openalex.org/W2097882016","https://openalex.org/W2105685892","https://openalex.org/W2112486185","https://openalex.org/W2114298221","https://openalex.org/W2114716177","https://openalex.org/W2125150972","https://openalex.org/W2136930733","https://openalex.org/W2142547489","https://openalex.org/W2142972529","https://openalex.org/W2148322931","https://openalex.org/W2149477204","https://openalex.org/W2151062909","https://openalex.org/W2161965229","https://openalex.org/W2177058407","https://openalex.org/W2196263691","https://openalex.org/W2202294430","https://openalex.org/W2210790443","https://openalex.org/W2225910745","https://openalex.org/W2260686010","https://openalex.org/W2292124103","https://openalex.org/W2309581154","https://openalex.org/W2472974503","https://openalex.org/W2518046954","https://openalex.org/W2901823013","https://openalex.org/W2997947960","https://openalex.org/W3006032144","https://openalex.org/W3101743077","https://openalex.org/W4212922449","https://openalex.org/W4243255773","https://openalex.org/W6601982808","https://openalex.org/W6634910755","https://openalex.org/W6636365882","https://openalex.org/W6637144555","https://openalex.org/W6638546174","https://openalex.org/W6687889994","https://openalex.org/W6689352860","https://openalex.org/W6756906074"],"related_works":["https://openalex.org/W2461440407","https://openalex.org/W2317094215","https://openalex.org/W2128291817","https://openalex.org/W2606336747","https://openalex.org/W2947277503","https://openalex.org/W2325418306","https://openalex.org/W2484122101","https://openalex.org/W3120413130","https://openalex.org/W2613616588","https://openalex.org/W2793436741"],"abstract_inverted_index":{"Network":[0],"function":[1],"(NF)":[2],"virtualization":[3],"decouples":[4],"NFs":[5,28,94],"from":[6,111],"the":[7,22,25,54,72,112,116,126,135,151,188,215,246,267],"underlying":[8],"middlebox":[9,38,51],"hardware":[10],"and":[11,40,97,100,167,248,262],"promotes":[12],"their":[13],"deployment":[14],"on":[15,240],"virtualized":[16],"network":[17,76],"infrastructures.":[18],"This":[19],"essentially":[20],"paves":[21],"way":[23],"for":[24,43,137,183,209],"migration":[26],"of":[27,37,130,191,235,259],"into":[29],"clouds":[30],"(i.e.,":[31],"NF-as-a-Service),":[32],"achieving":[33],"a":[34,147,164,196],"drastic":[35],"reduction":[36],"investment":[39],"operational":[41],"costs":[42],"enterprises.":[44],"In":[45,142],"this":[46,143],"context,":[47],"service":[48,77,117,198,220,260],"chains":[49,221],"(expressing":[50],"policies":[52],"in":[53,115,123,257],"enterprise":[55],"network)":[56],"should":[57],"be":[58],"mapped":[59],"onto":[60,171],"datacenter":[61,172],"networks,":[62],"ensuring":[63],"correctness,":[64],"resource":[65,108,263],"efficiency,":[66],"as":[67,69],"well":[68],"compliance":[70],"with":[71,125,238],"provider's":[73],"policy.":[74],"The":[75],"embedding":[78],"(NSE)":[79],"problem":[80],"is":[81],"further":[82,253],"exacerbated":[83],"by":[84,92,163,194],"two":[85],"challenging":[86,189],"aspects:":[87],"1)":[88,159],"traffic":[89,192],"scaling":[90,106,193],"caused":[91],"certain":[93],"(e.g.,":[95],"caches":[96],"WAN":[98],"optimizers)":[99],"2)":[101,168],"NF":[102,120,131],"location":[103,121],"dependencies.":[104],"Traffic":[105],"requires":[107],"reservations":[109],"different":[110],"ones":[113],"specified":[114],"chain,":[118],"whereas":[119],"dependencies,":[122],"conjunction":[124],"limited":[127],"geographic":[128],"footprint":[129],"providers":[132],"(NFPs),":[133],"raise":[134],"need":[136],"NSE":[138,153,157,227,237],"across":[139,222],"multiple":[140,223],"NFPs.":[141,249],"paper,":[144],"we":[145,213],"present":[146,175],"holistic":[148],"solution":[149],"to":[150,179,218,245,266],"multi-provider":[152,236],"problem.":[154],"We":[155,174,186,204,230],"decompose":[156],"into:":[158],"NF-graph":[160,210,241],"partitioning":[161,242],"performed":[162],"centralized":[165],"coordinator":[166],"NF-subgraph":[169],"mapping":[170],"networks.":[173],"linear":[176],"programming":[177],"formulations":[178],"derive":[180],"near-optimal":[181],"solutions":[182],"both":[184],"problems.":[185],"address":[187],"aspect":[190],"introducing":[195],"new":[197],"model":[199],"that":[200],"supports":[201],"demand":[202,268],"transformations.":[203,269],"also":[205],"define":[206],"topology":[207],"abstractions":[208],"partitioning.":[211],"Furthermore,":[212],"discuss":[214],"steps":[216],"required":[217],"embed":[219],"NFPs,":[224],"using":[225],"our":[226],"orchestrator":[228],"(Nestor).":[229],"perform":[231],"an":[232],"evaluation":[233,251],"study":[234],"emphasis":[239],"optimizations":[243],"tailored":[244],"client":[247],"Our":[250],"results":[252],"uncover":[254],"significant":[255],"savings":[256],"terms":[258],"cost":[261],"consumption":[264],"due":[265]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":6},{"year":2023,"cited_by_count":7},{"year":2022,"cited_by_count":12},{"year":2021,"cited_by_count":19},{"year":2020,"cited_by_count":13},{"year":2019,"cited_by_count":5},{"year":2018,"cited_by_count":9},{"year":2017,"cited_by_count":1}],"updated_date":"2026-03-20T23:20:44.827607","created_date":"2025-10-10T00:00:00"}