{"id":"https://openalex.org/W4413756551","doi":"https://doi.org/10.1145/3718958.3750468","title":"InfiniteHBD: Building Datacenter-Scale High-Bandwidth Domain for LLM with Optical Circuit Switching Transceivers","display_name":"InfiniteHBD: Building Datacenter-Scale High-Bandwidth Domain for LLM with Optical Circuit Switching Transceivers","publication_year":2025,"publication_date":"2025-08-27","ids":{"openalex":"https://openalex.org/W4413756551","doi":"https://doi.org/10.1145/3718958.3750468"},"language":"en","primary_location":{"id":"doi:10.1145/3718958.3750468","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3718958.3750468","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3718958.3750468","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the ACM SIGCOMM 2025 Conference","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://dl.acm.org/doi/pdf/10.1145/3718958.3750468","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5116187789","display_name":"Chenchen Shou","orcid":null},"institutions":[{"id":"https://openalex.org/I20231570","display_name":"Peking University","ror":"https://ror.org/02v51f717","country_code":"CN","type":"education","lineage":["https://openalex.org/I20231570"]},{"id":"https://openalex.org/I4210093596","display_name":"Shanghai Light Industry Research Institute","ror":"https://ror.org/00ky61211","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210093596"]},{"id":"https://openalex.org/I4210140476","display_name":"Shanghai Zhaozhan Metal Materials","ror":"https://ror.org/03wtw1749","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210140476"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Chenchen Shou","raw_affiliation_strings":["Lightelligence Pte. Ltd., Shanghai, China","Peking University, Beijing, China","StepFun, Shanghai, China"],"raw_orcid":"https://orcid.org/0009-0006-7113-0357","affiliations":[{"raw_affiliation_string":"Lightelligence Pte. Ltd., Shanghai, China","institution_ids":["https://openalex.org/I4210093596"]},{"raw_affiliation_string":"Peking University, Beijing, China","institution_ids":["https://openalex.org/I20231570"]},{"raw_affiliation_string":"StepFun, Shanghai, China","institution_ids":["https://openalex.org/I4210140476"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003327625","display_name":"G. M. Liu","orcid":"https://orcid.org/0009-0001-4933-0276"},"institutions":[{"id":"https://openalex.org/I20231570","display_name":"Peking University","ror":"https://ror.org/02v51f717","country_code":"CN","type":"education","lineage":["https://openalex.org/I20231570"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guyue Liu","raw_affiliation_strings":["Peking University, Beijing, China"],"raw_orcid":"https://orcid.org/0009-0001-4933-0276","affiliations":[{"raw_affiliation_string":"Peking University, Beijing, China","institution_ids":["https://openalex.org/I20231570"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066328795","display_name":"Hao Nie","orcid":"https://orcid.org/0000-0002-3031-5930"},"institutions":[{"id":"https://openalex.org/I4210140476","display_name":"Shanghai Zhaozhan Metal Materials","ror":"https://ror.org/03wtw1749","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210140476"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hao Nie","raw_affiliation_strings":["StepFun, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0002-3031-5930","affiliations":[{"raw_affiliation_string":"StepFun, Shanghai, China","institution_ids":["https://openalex.org/I4210140476"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034388927","display_name":"Huaiyu Meng","orcid":"https://orcid.org/0000-0001-5326-3056"},"institutions":[{"id":"https://openalex.org/I4210093596","display_name":"Shanghai Light Industry Research Institute","ror":"https://ror.org/00ky61211","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210093596"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Huaiyu Meng","raw_affiliation_strings":["Lightelligence Pte. Ltd., Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0001-5326-3056","affiliations":[{"raw_affiliation_string":"Lightelligence Pte. Ltd., Shanghai, China","institution_ids":["https://openalex.org/I4210093596"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5055714653","display_name":"Yu Zhou","orcid":"https://orcid.org/0000-0002-3469-0906"},"institutions":[{"id":"https://openalex.org/I4210140476","display_name":"Shanghai Zhaozhan Metal Materials","ror":"https://ror.org/03wtw1749","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210140476"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yu Zhou","raw_affiliation_strings":["StepFun, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0002-3469-0906","affiliations":[{"raw_affiliation_string":"StepFun, Shanghai, China","institution_ids":["https://openalex.org/I4210140476"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5079353641","display_name":"Yimin Jiang","orcid":"https://orcid.org/0009-0001-0049-873X"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yimin Jiang","raw_affiliation_strings":["Unaffiliated, Beijing, China"],"raw_orcid":"https://orcid.org/0009-0001-0049-873X","affiliations":[{"raw_affiliation_string":"Unaffiliated, Beijing, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":null,"display_name":"Wenqing Lv","orcid":"https://orcid.org/0009-0009-1395-8940"},"institutions":[{"id":"https://openalex.org/I4210093596","display_name":"Shanghai Light Industry Research Institute","ror":"https://ror.org/00ky61211","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210093596"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wenqing Lv","raw_affiliation_strings":["Lightelligence Pte. Ltd., Shanghai, China"],"raw_orcid":"https://orcid.org/0009-0009-1395-8940","affiliations":[{"raw_affiliation_string":"Lightelligence Pte. Ltd., Shanghai, China","institution_ids":["https://openalex.org/I4210093596"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112351917","display_name":"Ye-Long Xu","orcid":"https://orcid.org/0009-0004-7443-9988"},"institutions":[{"id":"https://openalex.org/I4210093596","display_name":"Shanghai Light Industry Research Institute","ror":"https://ror.org/00ky61211","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210093596"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yelong Xu","raw_affiliation_strings":["Lightelligence Pte. Ltd., Shanghai, China"],"raw_orcid":"https://orcid.org/0009-0004-7443-9988","affiliations":[{"raw_affiliation_string":"Lightelligence Pte. Ltd., Shanghai, China","institution_ids":["https://openalex.org/I4210093596"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085189326","display_name":"Yuanwei Lu","orcid":null},"institutions":[{"id":"https://openalex.org/I4210140476","display_name":"Shanghai Zhaozhan Metal Materials","ror":"https://ror.org/03wtw1749","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210140476"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuanwei Lu","raw_affiliation_strings":["StepFun, Shanghai, China"],"raw_orcid":"https://orcid.org/0009-0006-2554-6490","affiliations":[{"raw_affiliation_string":"StepFun, Shanghai, China","institution_ids":["https://openalex.org/I4210140476"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Zhang Chen","orcid":"https://orcid.org/0009-0006-8725-9315"},"institutions":[{"id":"https://openalex.org/I4210093596","display_name":"Shanghai Light Industry Research Institute","ror":"https://ror.org/00ky61211","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210093596"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhang Chen","raw_affiliation_strings":["Lightelligence Pte. Ltd., Shanghai, China"],"raw_orcid":"https://orcid.org/0009-0006-8725-9315","affiliations":[{"raw_affiliation_string":"Lightelligence Pte. Ltd., Shanghai, China","institution_ids":["https://openalex.org/I4210093596"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075502724","display_name":"Yanbo Yu","orcid":null},"institutions":[{"id":"https://openalex.org/I4210140476","display_name":"Shanghai Zhaozhan Metal Materials","ror":"https://ror.org/03wtw1749","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210140476"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yanbo Yu","raw_affiliation_strings":["StepFun, Shanghai, China"],"raw_orcid":"https://orcid.org/0009-0007-4231-4859","affiliations":[{"raw_affiliation_string":"StepFun, Shanghai, China","institution_ids":["https://openalex.org/I4210140476"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102829836","display_name":"Yichen Shen","orcid":"https://orcid.org/0000-0003-3800-2143"},"institutions":[{"id":"https://openalex.org/I4210093596","display_name":"Shanghai Light Industry Research Institute","ror":"https://ror.org/00ky61211","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210093596"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yichen Shen","raw_affiliation_strings":["Lightelligence Pte. Ltd., Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0003-3800-2143","affiliations":[{"raw_affiliation_string":"Lightelligence Pte. Ltd., Shanghai, China","institution_ids":["https://openalex.org/I4210093596"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5028120333","display_name":"Yibo Zhu","orcid":"https://orcid.org/0000-0002-9113-2660"},"institutions":[{"id":"https://openalex.org/I4210140476","display_name":"Shanghai Zhaozhan Metal Materials","ror":"https://ror.org/03wtw1749","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210140476"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yibo Zhu","raw_affiliation_strings":["StepFun, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0002-9113-2660","affiliations":[{"raw_affiliation_string":"StepFun, Shanghai, China","institution_ids":["https://openalex.org/I4210140476"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5060116992","display_name":"Daxin Jiang","orcid":"https://orcid.org/0000-0002-6657-5806"},"institutions":[{"id":"https://openalex.org/I4210140476","display_name":"Shanghai Zhaozhan Metal Materials","ror":"https://ror.org/03wtw1749","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210140476"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Daxin Jiang","raw_affiliation_strings":["StepFun, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0002-6657-5806","affiliations":[{"raw_affiliation_string":"StepFun, Shanghai, China","institution_ids":["https://openalex.org/I4210140476"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":14,"corresponding_author_ids":["https://openalex.org/A5116187789"],"corresponding_institution_ids":["https://openalex.org/I20231570","https://openalex.org/I4210093596","https://openalex.org/I4210140476"],"apc_list":null,"apc_paid":null,"fwci":8.7153,"has_fulltext":true,"cited_by_count":3,"citation_normalized_percentile":{"value":0.97552505,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"23"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10101","display_name":"Cloud Computing and Resource Management","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/T10101","display_name":"Cloud Computing and Resource Management","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/T11181","display_name":"Advanced Data Storage Technologies","score":0.9990000128746033,"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/T10714","display_name":"Software-Defined Networks and 5G","score":0.9955000281333923,"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/transceiver","display_name":"Transceiver","score":0.7372012138366699},{"id":"https://openalex.org/keywords/optical-switch","display_name":"Optical switch","score":0.6109533905982971},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5831387042999268},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.5622058510780334},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.46209895610809326},{"id":"https://openalex.org/keywords/circuit-switching","display_name":"Circuit switching","score":0.43365705013275146},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.4028793275356293},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3949742019176483},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.3680172264575958},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1763821244239807},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.12990054488182068}],"concepts":[{"id":"https://openalex.org/C7720470","wikidata":"https://www.wikidata.org/wiki/Q954187","display_name":"Transceiver","level":3,"score":0.7372012138366699},{"id":"https://openalex.org/C101336846","wikidata":"https://www.wikidata.org/wiki/Q17105111","display_name":"Optical switch","level":2,"score":0.6109533905982971},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5831387042999268},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.5622058510780334},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.46209895610809326},{"id":"https://openalex.org/C74294265","wikidata":"https://www.wikidata.org/wiki/Q506273","display_name":"Circuit switching","level":2,"score":0.43365705013275146},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.4028793275356293},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3949742019176483},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.3680172264575958},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1763821244239807},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.12990054488182068}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3718958.3750468","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3718958.3750468","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3718958.3750468","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the ACM SIGCOMM 2025 Conference","raw_type":"proceedings-article"}],"best_oa_location":{"id":"doi:10.1145/3718958.3750468","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3718958.3750468","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3718958.3750468","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the ACM SIGCOMM 2025 Conference","raw_type":"proceedings-article"},"sustainable_development_goals":[{"score":0.6200000047683716,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320324787","display_name":"Peking University","ror":"https://ror.org/02v51f717"},{"id":"https://openalex.org/F4320335581","display_name":"Young Scientists Fund","ror":null}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4413756551.pdf","grobid_xml":"https://content.openalex.org/works/W4413756551.grobid-xml"},"referenced_works_count":30,"referenced_works":["https://openalex.org/W95608104","https://openalex.org/W1558115001","https://openalex.org/W1883741979","https://openalex.org/W2057332538","https://openalex.org/W2097926925","https://openalex.org/W2106326364","https://openalex.org/W2119638333","https://openalex.org/W2124700175","https://openalex.org/W2133557963","https://openalex.org/W2734941459","https://openalex.org/W2737924095","https://openalex.org/W2743429249","https://openalex.org/W2975712713","https://openalex.org/W3008830959","https://openalex.org/W3036878841","https://openalex.org/W3046344355","https://openalex.org/W3188706325","https://openalex.org/W4238465620","https://openalex.org/W4287391717","https://openalex.org/W4292950821","https://openalex.org/W4310510250","https://openalex.org/W4372262787","https://openalex.org/W4377865306","https://openalex.org/W4380874786","https://openalex.org/W4386365418","https://openalex.org/W4386396242","https://openalex.org/W4401176521","https://openalex.org/W4401176536","https://openalex.org/W4401176799","https://openalex.org/W4402389838"],"related_works":["https://openalex.org/W2142628816","https://openalex.org/W2391484265","https://openalex.org/W1606001471","https://openalex.org/W2582403535","https://openalex.org/W1979943515","https://openalex.org/W2548727377","https://openalex.org/W2037476734","https://openalex.org/W2091362561","https://openalex.org/W1982818213","https://openalex.org/W2188646106"],"abstract_inverted_index":{"Scaling":[0],"Large":[1],"Language":[2],"Model":[3],"(LLM)":[4],"training":[5],"relies":[6],"on":[7],"multidimensional":[8],"parallelism,":[9],"where":[10],"High-Bandwidth":[11],"Domains":[12],"(HBDs)":[13],"are":[14],"critical":[15],"for":[16],"communication-intensive":[17],"parallelism":[18],"like":[19],"Tensor":[20],"Parallelism.":[21],"However,":[22],"existing":[23],"HBD":[24],"architectures":[25],"face":[26],"fundamental":[27],"limitations":[28],"in":[29],"scalability,":[30],"cost,":[31],"and":[32],"fault":[33,51,64],"resiliency:":[34],"switch-centric":[35],"HBDs":[36,45,55],"(e.g.,":[37,46,56],"NVL-72)":[38],"incur":[39],"prohibitive":[40],"scaling":[41],"costs,":[42],"while":[43],"GPU-centric":[44],"TPUv3/Dojo)":[47],"suffer":[48],"from":[49],"severe":[50],"propagation.":[52],"Switch-GPU":[53],"hybrid":[54],"TPUv4)":[57],"take":[58],"a":[59],"middle-ground":[60],"approach,":[61],"but":[62],"the":[63],"explosion":[65],"radius":[66],"remains":[67],"large.":[68]},"counts_by_year":[{"year":2025,"cited_by_count":3}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}