{"id":"https://openalex.org/W7203746259","doi":"https://doi.org/10.48550/arxiv.2608.17503","title":"Predict Before Replay: Joint FEC and Flight Control for Reliable Scale-Up Links","display_name":"Predict Before Replay: Joint FEC and Flight Control for Reliable Scale-Up Links","publication_year":2026,"publication_date":"2026-08-18","ids":{"openalex":"https://openalex.org/W7203746259","doi":"https://doi.org/10.48550/arxiv.2608.17503"},"language":"en","primary_location":{"id":"pmh:oai:arXiv.org:2608.17503","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2608.17503","pdf_url":"https://arxiv.org/pdf/2608.17503","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"volume":null,"type":"preprint","is_traditional":true,"indexed_in":["arxiv","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2608.17503","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5147655153","display_name":"Fan Yang","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210090176","display_name":"Institute of Computing Technology","ror":"https://ror.org/0090r4d87","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210090176"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yang, Fan","raw_affiliation_strings":["Institute of Computing Technology , Chinese Academy of Sciences Beijing , China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Computing Technology , Chinese Academy of Sciences Beijing , China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210090176"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5147492290","display_name":"Jiaqi Liu","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210090176","display_name":"Institute of Computing Technology","ror":"https://ror.org/0090r4d87","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210090176"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Liu, Jiaqi","raw_affiliation_strings":["Institute of Computing Technology , Chinese Academy of Sciences Beijing , China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Computing Technology , Chinese Academy of Sciences Beijing , China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210090176"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5147581569","display_name":"Tao Jiang","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210090176","display_name":"Institute of Computing Technology","ror":"https://ror.org/0090r4d87","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210090176"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiang, Tao","raw_affiliation_strings":["Institute of Computing Technology , Chinese Academy of Sciences Beijing , China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Computing Technology , Chinese Academy of Sciences Beijing , China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210090176"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5147534451","display_name":"Zhan Wang","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210090176","display_name":"Institute of Computing Technology","ror":"https://ror.org/0090r4d87","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210090176"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wang, Zhan","raw_affiliation_strings":["Hangzhou Institute for Advanced Study , UCAS Hangzhou , China","Institute of Computing Technology , Chinese Academy of Sciences Beijing , China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hangzhou Institute for Advanced Study , UCAS Hangzhou , China","institution_ids":["https://openalex.org/I4210165038"]},{"raw_affiliation_string":"Institute of Computing Technology , Chinese Academy of Sciences Beijing , China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210090176"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10829","display_name":"Interconnection Networks and Systems","score":0.48539999127388,"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/T10829","display_name":"Interconnection Networks and Systems","score":0.48539999127388,"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/T10772","display_name":"Distributed systems and fault tolerance","score":0.2093999981880188,"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/T10138","display_name":"Network Traffic and Congestion Control","score":0.11789999902248383,"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/forward-error-correction","display_name":"forward error correction","score":0.8939999938011169},{"id":"https://openalex.org/keywords/flight-control","display_name":"flight control","score":0.6079999804496765},{"id":"https://openalex.org/keywords/data-replay","display_name":"data replay","score":0.44600000977516174},{"id":"https://openalex.org/keywords/serial-links","display_name":"serial links","score":0.574999988079071},{"id":"https://openalex.org/keywords/burst-error-detection","display_name":"burst error detection","score":0.6710000038146973},{"id":"https://openalex.org/keywords/bayesian-filtering","display_name":"Bayesian filtering","score":0.8939999938011169},{"id":"https://openalex.org/keywords/allreduce","display_name":"AllReduce","score":0.6800000071525574},{"id":"https://openalex.org/keywords/goodput","display_name":"goodput","score":0.6119999885559082}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7936000227928162},{"id":"https://openalex.org/C152124472","wikidata":"https://www.wikidata.org/wiki/Q1204361","display_name":"Redundancy (engineering)","level":2,"score":0.5546000003814697},{"id":"https://openalex.org/C43214815","wikidata":"https://www.wikidata.org/wiki/Q7310987","display_name":"Reliability (semiconductor)","level":3,"score":0.4860999882221222},{"id":"https://openalex.org/C94022561","wikidata":"https://www.wikidata.org/wiki/Q1172393","display_name":"Goodput","level":4,"score":0.48089998960494995},{"id":"https://openalex.org/C155512373","wikidata":"https://www.wikidata.org/wiki/Q287450","display_name":"Residual","level":2,"score":0.4767000079154968},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.47130000591278076},{"id":"https://openalex.org/C180611318","wikidata":"https://www.wikidata.org/wiki/Q7316902","display_name":"Retransmission","level":3,"score":0.45350000262260437},{"id":"https://openalex.org/C43521106","wikidata":"https://www.wikidata.org/wiki/Q2165493","display_name":"Pipeline (software)","level":2,"score":0.4332999885082245},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.40799999237060547},{"id":"https://openalex.org/C82876162","wikidata":"https://www.wikidata.org/wiki/Q17096504","display_name":"Latency (audio)","level":2,"score":0.4025999903678894},{"id":"https://openalex.org/C203479927","wikidata":"https://www.wikidata.org/wiki/Q5165939","display_name":"Controller (irrigation)","level":2,"score":0.37299999594688416},{"id":"https://openalex.org/C103088060","wikidata":"https://www.wikidata.org/wiki/Q1062839","display_name":"Error detection and correction","level":2,"score":0.3492000102996826},{"id":"https://openalex.org/C202932441","wikidata":"https://www.wikidata.org/wiki/Q55611017","display_name":"Forward error correction","level":3,"score":0.34209999442100525},{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.33180001378059387},{"id":"https://openalex.org/C158379750","wikidata":"https://www.wikidata.org/wiki/Q214111","display_name":"Network packet","level":2,"score":0.31310001015663147},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.3043999969959259},{"id":"https://openalex.org/C186594467","wikidata":"https://www.wikidata.org/wiki/Q1429176","display_name":"Flooding (psychology)","level":2,"score":0.2996000051498413},{"id":"https://openalex.org/C11560541","wikidata":"https://www.wikidata.org/wiki/Q1756025","display_name":"Replay attack","level":3,"score":0.29760000109672546},{"id":"https://openalex.org/C162372511","wikidata":"https://www.wikidata.org/wiki/Q218341","display_name":"Checksum","level":2,"score":0.29440000653266907},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.29269999265670776},{"id":"https://openalex.org/C17500928","wikidata":"https://www.wikidata.org/wiki/Q959968","display_name":"Control system","level":2,"score":0.28999999165534973},{"id":"https://openalex.org/C43364308","wikidata":"https://www.wikidata.org/wiki/Q8799","display_name":"Byte","level":2,"score":0.2816999852657318},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.2761000096797943},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.2736000120639801},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.2685999870300293},{"id":"https://openalex.org/C85847156","wikidata":"https://www.wikidata.org/wiki/Q59015987","display_name":"Verifiable secret sharing","level":3,"score":0.2669999897480011},{"id":"https://openalex.org/C102392041","wikidata":"https://www.wikidata.org/wiki/Q592860","display_name":"Sliding window protocol","level":3,"score":0.2662000060081482},{"id":"https://openalex.org/C200601418","wikidata":"https://www.wikidata.org/wiki/Q2193887","display_name":"Reliability engineering","level":1,"score":0.26030001044273376}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:arXiv.org:2608.17503","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2608.17503","pdf_url":"https://arxiv.org/pdf/2608.17503","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"doi:10.48550/arxiv.2608.17503","doi":"https://doi.org/10.48550/arxiv.2608.17503","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2608.17503","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2608.17503","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2608.17503","pdf_url":"https://arxiv.org/pdf/2608.17503","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7203746259.pdf","grobid_xml":"https://content.openalex.org/works/W7203746259.grobid-xml"},"referenced_works_count":7,"referenced_works":["https://openalex.org/W2057332538","https://openalex.org/W2063142364","https://openalex.org/W2148575324","https://openalex.org/W2153623795","https://openalex.org/W4200388228","https://openalex.org/W4293198056","https://openalex.org/W6947738871"],"related_works":["https://openalex.org/W7202202547","https://openalex.org/W2886193044","https://openalex.org/W2532863507","https://openalex.org/W4400233798","https://openalex.org/W2296179512","https://openalex.org/W2891950388","https://openalex.org/W4401508684","https://openalex.org/W1565603374","https://openalex.org/W1987468034","https://openalex.org/W3216753527"],"abstract_inverted_index":{"Scale-up":[0],"accelerator":[1],"fabrics":[2],"send":[3],"latency-sensitive":[4],"flits":[5,38],"over":[6],"serial":[7],"links":[8],"at":[9],"hundreds":[10],"of":[11],"gigabits":[12],"per":[13],"second.":[14],"Their":[15],"reliability":[16],"pipeline":[17],"first":[18],"relies":[19],"on":[20],"FEC,":[21],"then":[22],"detects":[23],"residual":[24,45],"failures":[25],"and":[26,85,121],"replays":[27],"unacknowledged":[28],"data.":[29],"At":[30],"these":[31],"line":[32],"rates,":[33],"delayed":[34],"feedback":[35],"lets":[36],"later":[37],"enter":[39],"the":[40],"replay":[41,51,105,118],"window":[42],"before":[43],"a":[44,58,65,81],"failure":[46],"is":[47],"reported,":[48],"so":[49],"standard":[50],"can":[52],"amplify":[53],"one":[54],"corrupted":[55],"flit":[56],"into":[57,80],"suffix":[59],"retransmission.":[60],"This":[61],"paper":[62],"presents":[63],"PREFACE,":[64],"pre-FEC":[66],"controller":[67],"for":[68],"temporally":[69],"correlated":[70],"burst":[71,83],"errors.":[72],"A":[73],"two-state":[74],"Bayesian":[75],"filter":[76],"converts":[77],"corrected-symbol":[78],"observations":[79],"next-flit":[82],"posterior":[84],"jointly":[86],"selects":[87],"FEC":[88],"strength":[89],"with":[90,99],"an":[91],"outstanding-flit":[92],"cap.":[93],"We":[94],"implement":[95],"PREFACE":[96,107],"in":[97],"ns-3":[98],"publicly":[100],"verifiable":[101],"UALink":[102],"200G":[103],"1.0":[104],"semantics.":[106],"improves":[108,122],"goodput":[109],"by":[110,115,119,126],"10.52%,":[111],"lowers":[112],"P99":[113],"latency":[114],"50.75%,":[116],"cuts":[117],"47.52%,":[120],"modeled":[123],"ring":[124],"AllReduce":[125],"13.1--27.0%.":[127]},"counts_by_year":[],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2026-08-20T00:00:00"}