{"id":"https://openalex.org/W7155547911","doi":"https://doi.org/10.1145/3767295.3803592","title":"ECOTE: Priority-Aware Optical Restoration for WAN Traffic Engineering","display_name":"ECOTE: Priority-Aware Optical Restoration for WAN Traffic Engineering","publication_year":2026,"publication_date":"2026-04-24","ids":{"openalex":"https://openalex.org/W7155547911","doi":"https://doi.org/10.1145/3767295.3803592"},"language":null,"primary_location":{"id":"doi:10.1145/3767295.3803592","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3767295.3803592","pdf_url":null,"source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 21st European Conference on Computer Systems","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1145/3767295.3803592","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5048483915","display_name":"Yiren Zhao","orcid":"https://orcid.org/0009-0005-2486-1491"},"institutions":[{"id":"https://openalex.org/I185261750","display_name":"University of Toronto","ror":"https://ror.org/03dbr7087","country_code":"CA","type":"education","lineage":["https://openalex.org/I185261750"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Yiren Zhao","raw_affiliation_strings":["University of Toronto, Toronto, Canada"],"raw_orcid":"https://orcid.org/0000-0002-2373-2672","affiliations":[{"raw_affiliation_string":"University of Toronto, Toronto, Canada","institution_ids":["https://openalex.org/I185261750"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037026019","display_name":"Kunling He","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":"Kunling He","raw_affiliation_strings":["Tsinghua University, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-3959-5086","affiliations":[{"raw_affiliation_string":"Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101609638","display_name":"Zhiquan Wang","orcid":"https://orcid.org/0000-0002-8243-7251"},"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":"Zhiquan Wang","raw_affiliation_strings":["Tsinghua University, Beijing, China"],"raw_orcid":"https://orcid.org/0009-0000-6445-4421","affiliations":[{"raw_affiliation_string":"Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008757709","display_name":"Ran Shu","orcid":"https://orcid.org/0000-0002-2021-4917"},"institutions":[{"id":"https://openalex.org/I4210113369","display_name":"Microsoft Research Asia (China)","ror":"https://ror.org/0300m5276","country_code":"CN","type":"company","lineage":["https://openalex.org/I1290206253","https://openalex.org/I4210113369"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ran Shu","raw_affiliation_strings":["Microsoft Research Asia, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-2021-4917","affiliations":[{"raw_affiliation_string":"Microsoft Research Asia, Beijing, China","institution_ids":["https://openalex.org/I4210113369"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108047889","display_name":"Yi-Xiang Wang","orcid":"https://orcid.org/0000-0001-5697-0717"},"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":"Jilong Wang","raw_affiliation_strings":["Tsinghua University, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-4493-5145","affiliations":[{"raw_affiliation_string":"Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5027623536","display_name":"Congcong Miao","orcid":"https://orcid.org/0000-0003-3265-049X"},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]},{"id":"https://openalex.org/I2250653659","display_name":"Tencent (China)","ror":"https://ror.org/00hhjss72","country_code":"CN","type":"company","lineage":["https://openalex.org/I2250653659"]}],"countries":["CN","SG"],"is_corresponding":false,"raw_author_name":"Congcong Miao","raw_affiliation_strings":["National University of Singapore, Singapore, Singapore","Tencent, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0003-3265-049X","affiliations":[{"raw_affiliation_string":"National University of Singapore, Singapore, Singapore","institution_ids":["https://openalex.org/I165932596"]},{"raw_affiliation_string":"Tencent, Beijing, China","institution_ids":["https://openalex.org/I2250653659"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":6,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.55271549,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"831","last_page":"844"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10847","display_name":"Advanced Optical Network Technologies","score":0.8687999844551086,"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"}},"topics":[{"id":"https://openalex.org/T10847","display_name":"Advanced Optical Network Technologies","score":0.8687999844551086,"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"}},{"id":"https://openalex.org/T10232","display_name":"Optical Network Technologies","score":0.05620000138878822,"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"}},{"id":"https://openalex.org/T10767","display_name":"Advanced Photonic Communication Systems","score":0.04540000110864639,"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/work","display_name":"Work (physics)","score":0.2987000048160553},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.2565000057220459},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.2556999921798706},{"id":"https://openalex.org/keywords/automation","display_name":"Automation","score":0.23149999976158142}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4456000030040741},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.3637000024318695},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.3151000142097473},{"id":"https://openalex.org/C18762648","wikidata":"https://www.wikidata.org/wiki/Q42213","display_name":"Work (physics)","level":2,"score":0.2987000048160553},{"id":"https://openalex.org/C201995342","wikidata":"https://www.wikidata.org/wiki/Q682496","display_name":"Systems engineering","level":1,"score":0.2750000059604645},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.2565000057220459},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.2556999921798706},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.24459999799728394},{"id":"https://openalex.org/C115901376","wikidata":"https://www.wikidata.org/wiki/Q184199","display_name":"Automation","level":2,"score":0.23149999976158142},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2312999963760376}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3767295.3803592","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3767295.3803592","pdf_url":null,"source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 21st European Conference on Computer Systems","raw_type":"proceedings-article"}],"best_oa_location":{"id":"doi:10.1145/3767295.3803592","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3767295.3803592","pdf_url":null,"source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 21st European Conference on Computer Systems","raw_type":"proceedings-article"},"sustainable_development_goals":[{"score":0.4763410687446594,"id":"https://metadata.un.org/sdg/11","display_name":"Sustainable cities and communities"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":4,"referenced_works":["https://openalex.org/W2038861084","https://openalex.org/W2531123705","https://openalex.org/W2965636783","https://openalex.org/W4236202168"],"related_works":[],"abstract_inverted_index":{"Fiber":[0],"cuts":[1],"are":[2],"among":[3],"the":[4,71,84,133,201,207],"most":[5],"common":[6],"and":[7,43,63,153,168,190],"disruptive":[8],"failures":[9],"in":[10],"cloud":[11,16],"networks.":[12],"They":[13],"can":[14,185],"prevent":[15],"providers":[17],"from":[18],"maintaining":[19],"committed":[20],"service":[21],"availability,":[22],"causing":[23],"Service":[24],"Level":[25],"Agreement":[26],"(SLA)":[27],"violations":[28],"that":[29,92,117,131,183],"directly":[30],"translate":[31],"into":[32],"monetary":[33,143],"penalties.":[34,77],"Existing":[35],"traffic":[36],"engineering":[37],"(TE)":[38],"approaches":[39],"enhance":[40],"failure":[41],"resilience,":[42],"recent":[44],"systems":[45],"further":[46],"incorporate":[47],"optical":[48,90,102],"restoration":[49,91,103,109,115],"to":[50,111,138,176,200],"recover":[51],"lost":[52],"bandwidth":[53,135],"after":[54],"failures.":[55],"However,":[56],"they":[57],"still":[58],"treat":[59],"services":[60,167,198],"largely":[61],"uniformly":[62],"optimize":[64],"primarily":[65],"for":[66,165,194],"network":[67],"throughput":[68],"rather":[69],"than":[70,170,218],"economic":[72],"impact":[73],"of":[74,215],"heterogeneous":[75],"SLA":[76,139],"In":[78],"this":[79],"paper,":[80],"we":[81],"present":[82],"ECOTE,":[83],"first":[85],"priority-aware":[86,128],"TE":[87,129],"system":[88],"with":[89,105],"explicitly":[93],"minimizes":[94],"revenue":[95,172,208],"loss.":[96],"Specifically,":[97],"ECOTE":[98,124,147,161,184,205],"introduces":[99],"a":[100,106,127,149],"new":[101],"formulation":[104],"dedicated":[107],"capacity":[108,120,136],"solver":[110],"compute":[112],"an":[113,213],"optimal":[114],"plan":[116],"maximizes":[118],"restorable":[119],"under":[121],"physical":[122],"constraints.":[123],"also":[125],"designs":[126],"algorithm":[130],"allocates":[132],"restored":[134],"according":[137],"penalties,":[140],"thereby":[141],"reducing":[142],"cost.":[144],"We":[145],"evaluate":[146],"using":[148],"production-level":[150],"WAN":[151],"testbed":[152,158],"through":[154],"large-scale":[155,179],"simulations.":[156],"The":[157],"evaluation":[159],"demonstrates":[160],"achieves":[162],"zero":[163],"loss":[164,173,209],"high-priority":[166],"more":[169,192],"10\u00d7":[171],"reduction":[174],"compared":[175,199],"state-of-the-art.":[177],"Our":[178],"simulation":[180],"results":[181],"show":[182],"support":[186],"at":[187,211],"least":[188,212],"2.5\u00d7":[189],"2.0\u00d7":[191],"demand":[193],"different":[195],"high":[196],"priority":[197],"state-of-the-art":[202],"solutions.":[203,220],"Meanwhile,":[204],"reduces":[206],"by":[210],"order":[214],"magnitude":[216],"less":[217],"existing":[219]},"counts_by_year":[],"updated_date":"2026-06-16T09:24:06.705377","created_date":"2026-04-25T00:00:00"}