{"id":5309,"date":"2025-08-28T00:00:00","date_gmt":"2025-08-28T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/infiniband-explained-what-it-is-and-how-it-functions\/"},"modified":"2026-06-22T09:07:38","modified_gmt":"2026-06-22T09:07:38","slug":"infiniband-explained-what-it-is-and-how-it-functions","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/infiniband-explained-what-it-is-and-how-it-functions","title":{"rendered":"InfiniBand: H\u1ec7 th\u1ea7n kinh t\u1ed1c \u0111\u1ed9 cao c\u1ee7a AI v\u00e0 HPC"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/094329d230f94a9f82b8f049ae644671.webp\" alt=\"InfiniBand\" class=\"wp-image-5307\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/094329d230f94a9f82b8f049ae644671.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/094329d230f94a9f82b8f049ae644671-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/094329d230f94a9f82b8f049ae644671-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/094329d230f94a9f82b8f049ae644671-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/094329d230f94a9f82b8f049ae644671-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Trong cu\u1ed9c truy t\u00ecm kh\u00f4ng ng\u1eebng ngh\u1ec9 nh\u1eb1m x\u1eed l\u00fd v\u00e0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u nhanh h\u01a1n, c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u hi\u1ec7n \u0111\u1ea1i \u0111\u1ed1i m\u1eb7t v\u1edbi m\u1ed9t th\u00e1ch th\u1ee9c kh\u1ed5ng l\u1ed3: di chuy\u1ec3n kh\u1ed1i l\u01b0\u1ee3ng th\u00f4ng tin \u0111\u1ed3 s\u1ed9 gi\u1eefa c\u00e1c m\u00e1y ch\u1ee7, thi\u1ebft b\u1ecb l\u01b0u tr\u1eef v\u00e0 b\u1ed9 t\u0103ng t\u1ed1c v\u1edbi t\u1ed1c \u0111\u1ed9 ch\u01b0a t\u1eebng c\u00f3. M\u1eb7c d\u00f9 Ethernet l\u00e0 c\u00f4ng ngh\u1ec7 ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i, nh\u01b0ng c\u00f3 m\u1ed9t c\u00f4ng ngh\u1ec7 chuy\u00ean bi\u1ec7t th\u1ed1ng tr\u1ecb trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p y\u00eau c\u1ea7u t\u1ed1c \u0111\u1ed9 th\u00f4 v\u00e0 \u0111\u1ed9 tr\u1ec5 c\u1ef1c th\u1ea5p kh\u00f4ng th\u1ec3 th\u01b0\u01a1ng l\u01b0\u1ee3ng: <strong>InfiniBand<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e0i vi\u1ebft n\u00e0y \u0111i s\u00e2u v\u00e0o nh\u1eefng y\u1ebfu t\u1ed1 khi\u1ebfn InfiniBand tr\u1edf th\u00e0nh nh\u00e0 v\u00f4 \u0111\u1ecbch tuy\u1ec7t \u0111\u1ed1i cho <strong>Kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c AI<\/strong>, hu\u1ea5n luy\u1ec7n h\u1ecdc m\u00e1y v\u00e0 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-hpc-high-performance-computing\/\"><strong>t\u00ednh to\u00e1n hi\u1ec7u su\u1ea5t cao (HPC)<\/strong><\/a> c\u00e1c c\u1ee5m m\u00e1y t\u00ednh.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27a3 Nh\u1eefng \u0111i\u1ec3m ch\u00ednh c\u1ea7n ghi nh\u1edb<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>InfiniBand l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 m\u1ea1ng nhanh v\u00e0 \u1ed5n \u0111\u1ecbnh. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u quy m\u00f4 l\u1edbn v\u00e0 si\u00eau m\u00e1y t\u00ednh. N\u00f3 gi\u00fap di chuy\u1ec3n d\u1eef li\u1ec7u nhanh ch\u00f3ng v\u1edbi \u0111\u1ed9 tr\u1ec5 r\u1ea5t th\u1ea5p.<\/p><\/li><li><p>N\u00f3 s\u1eed d\u1ee5ng m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p \u0111\u1eb7c bi\u1ec7t g\u1ecdi l\u00e0 RDMA. RDMA g\u1eedi d\u1eef li\u1ec7u tr\u1ef1c ti\u1ebfp gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb. \u0110i\u1ec1u n\u00e0y l\u00e0m cho vi\u1ec7c giao ti\u1ebfp gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb nhanh h\u01a1n v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng.<\/p><\/li><li><p>C\u00e1c m\u1ea1ng InfiniBand c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng b\u1eb1ng c\u00e1ch th\u00eam nhi\u1ec1u thi\u1ebft b\u1ecb h\u01a1n. Ch\u00fang kh\u00f4ng ch\u1eadm l\u1ea1i khi th\u00eam nhi\u1ec1u thi\u1ebft b\u1ecb h\u01a1n. \u0110i\u1ec1u n\u00e0y khi\u1ebfn ch\u00fang ph\u00f9 h\u1ee3p cho c\u1ea3 c\u1ea5u h\u00ecnh nh\u1ecf v\u00e0 l\u1edbn.<\/p><\/li><li><p>InfiniBand nhanh h\u01a1n nhi\u1ec1u so v\u1edbi Ethernet. N\u00f3 c\u0169ng c\u00f3 th\u1eddi gian ch\u1edd th\u1ea5p h\u01a1n. \u0110i\u1ec1u n\u00e0y khi\u1ebfn n\u00f3 r\u1ea5t th\u00edch h\u1ee3p cho c\u00e1c t\u00e1c v\u1ee5 t\u00ednh to\u00e1n hi\u1ec7u n\u0103ng cao v\u00e0 l\u01b0u tr\u1eef.<\/p><\/li><li><p>Nhi\u1ec1u nh\u00e0 khoa h\u1ecdc, k\u1ef9 s\u01b0 v\u00e0 doanh nghi\u1ec7p s\u1eed d\u1ee5ng InfiniBand. H\u1ecd d\u00f9ng n\u00f3 cho c\u00e1c c\u00f4ng vi\u1ec7c kh\u00f3 kh\u0103n nh\u01b0 nghi\u00ean c\u1ee9u khoa h\u1ecdc, \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y v\u00e0 l\u01b0u tr\u1eef d\u1eef li\u1ec7u t\u1ed1c \u0111\u1ed9 cao.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27a3 InfiniBand th\u1ef1c ch\u1ea5t l\u00e0 g\u00ec?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>InfiniBand (IB)<br><\/strong> l\u00e0 m\u1ed9t ki\u1ebfn tr\u00fac k\u1ebft n\u1ed1i k\u00eanh hi\u1ec7u n\u0103ng cao, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf nh\u1eb1m \u0111\u1ea1t th\u00f4ng l\u01b0\u1ee3ng d\u1eef li\u1ec7u v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng trong m\u00f4i tr\u01b0\u1eddng \u0111i\u1ec7n to\u00e1n c\u1ee5m. Kh\u00e1c v\u1edbi m\u1ea1ng chuy\u1ec3n m\u1ea1ch g\u00f3i c\u1ee7a Ethernet, InfiniBand s\u1eed d\u1ee5ng t\u00f4-p\u00f4 v\u1ea3i chuy\u1ec3n m\u1ea1ch (switched fabric), ngh\u0129a l\u00e0 m\u1ed7i thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 giao ti\u1ebfp \u0111\u1ed3ng th\u1eddi v\u1edbi m\u1ecdi thi\u1ebft b\u1ecb kh\u00e1c v\u1edbi \u0111\u1ed9 tr\u1ec5 t\u1ed1i thi\u1ec3u.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tri\u1ebft l\u00fd thi\u1ebft k\u1ebf c\u1ee7a n\u00f3 \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng t\u1eeb \u0111\u1ea7u cho m\u1ed9t m\u1ee5c \u0111\u00edch duy nh\u1ea5t: di chuy\u1ec3n d\u1eef li\u1ec7u m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 nh\u1ea5t gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n then ch\u1ed1t trong m\u1ed9t c\u1ee5m t\u00ednh to\u00e1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27a3 So s\u00e1nh InfiniBand v\u00e0 Ethernet: Cu\u1ed9c \u0111\u1ea5u tay \u0111\u00f4i<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ec sao n\u00ean ch\u1ecdn InfiniBand thay v\u00ec m\u1ed9t c\u00f4ng ngh\u1ec7 ph\u1ed5 bi\u1ebfn h\u01a1n nh\u01b0 Ethernet t\u1ed1c \u0111\u1ed9 cao? C\u00e2u tr\u1ea3 l\u1eddi n\u1eb1m \u1edf nh\u1eefng y\u00eau c\u1ea7u \u0111\u1eb7c th\u00f9 c\u1ee7a c\u00e1c t\u00e1c v\u1ee5 t\u00ednh to\u00e1n ti\u00ean ti\u1ebfn. B\u1ea3ng sau \u0111\u00e2y tr\u00ecnh b\u00e0y chi ti\u1ebft nh\u1eefng kh\u00e1c bi\u1ec7t ch\u00ednh:<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p><strong>\u0110\u1eb7c t\u00ednh<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>InfiniBand<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>Ethernet T\u1ed1c \u0110\u1ed9 Cao<\/strong><\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\u0110\u1ed9 Tr\u1ec5<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>\u0110\u1ed9 tr\u1ec5 c\u1ef1c th\u1ea5p<\/strong> (nanogi\u00e2y)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Cao h\u01a1n (microsecond)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Gi\u1ea3m<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>C\u1ef1c cao<\/strong> (HDR 400 Gbps, NDR 800 Gbps)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Cao (c\u00f3 s\u1eb5n 400GbE)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Hi\u1ec7u su\u1ea5t giao th\u1ee9c<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>Truy c\u1eadp B\u1ed9 nh\u1edb Tr\u1ef1c ti\u1ebfp T\u1eeb xa (RDMA)<\/strong> cho ph\u00e9p truy\u1ec1n tr\u1ef1c ti\u1ebfp t\u1eeb b\u1ed9 nh\u1edb \u0111\u1ebfn b\u1ed9 nh\u1edb, b\u1ecf qua CPU v\u00e0 h\u1ec7 \u0111i\u1ec1u h\u00e0nh.<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ph\u1ee5 thu\u1ed9c v\u00e0o ng\u0103n x\u1ebfp TCP\/IP, v\u1ed1n g\u00e2y ra m\u1ee9c \u0111\u1ed9 x\u1eed l\u00fd v\u00e0 s\u1eed d\u1ee5ng CPU cao h\u01a1n.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Qu\u1ea3n l\u00fd l\u01b0u l\u01b0\u1ee3ng<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>M\u1ea1ng kh\u00f4ng m\u1ea5t m\u00e1t d\u1eef li\u1ec7u<\/strong> v\u1edbi c\u01a1 ch\u1ebf ki\u1ec3m so\u00e1t t\u1eafc ngh\u1ebdn t\u00edch h\u1ee3p. Kh\u00f4ng l\u00e0m m\u1ea5t g\u00f3i tin n\u00e0o.<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>C\u00f3 th\u1ec3 m\u1ea5t m\u00e1t d\u1eef li\u1ec7u, ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c giao th\u1ee9c nh\u01b0 PFC \u0111\u1ec3 qu\u1ea3n l\u00fd t\u1eafc ngh\u1ebdn, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 l\u00e0m t\u0103ng \u0111\u1ed9 ph\u1ee9c t\u1ea1p.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ch\u00ednh<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>Tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o v\u00e0 h\u1ecdc m\u00e1y (AI\/ML), \u0111i\u1ec7n to\u00e1n hi\u1ec7u n\u0103ng cao (HPC), m\u00f4 ph\u1ecfng khoa h\u1ecdc<\/strong> (y\u00eau c\u1ea7u hi\u1ec7u n\u0103ng cao)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>Trung t\u00e2m d\u1eef li\u1ec7u chung, \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y, m\u1ea1ng doanh nghi\u1ec7p<\/strong> (y\u00eau c\u1ea7u t\u00ednh linh ho\u1ea1t cao)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Cost<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Cao h\u01a1n<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Th\u01b0\u1eddng th\u1ea5p h\u01a1n<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27a3 Nh\u1eefng \u1ee9ng d\u1ee5ng n\u1ed5i b\u1eadt nh\u1ea5t c\u1ee7a InfiniBand<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6b89cfa4ed144a379e034c49b234510f.webp\" alt=\"InfiniBand\" class=\"wp-image-5308\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6b89cfa4ed144a379e034c49b234510f.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6b89cfa4ed144a379e034c49b234510f-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6b89cfa4ed144a379e034c49b234510f-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6b89cfa4ed144a379e034c49b234510f-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6b89cfa4ed144a379e034c49b234510f-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Ki\u1ebfn tr\u00fac InfiniBand khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh x\u01b0\u01a1ng s\u1ed1ng c\u1ee7a c\u00e1c si\u00eau m\u00e1y t\u00ednh m\u1ea1nh nh\u1ea5t th\u1ebf gi\u1edbi v\u00e0 c\u00e1c c\u01a1 s\u1edf nghi\u00ean c\u1ee9u AI.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>Tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o v\u00e0 h\u1ecdc m\u00e1y:<\/strong> Vi\u1ec7c hu\u1ea5n luy\u1ec7n c\u00e1c m\u1ea1ng n\u01a1-ron quy m\u00f4 l\u1edbn \u0111\u00f2i h\u1ecfi \u0111\u1ed3ng b\u1ed9 h\u00f3a d\u1eef li\u1ec7u tr\u00ean h\u00e0ng ngh\u00ecn GPU. InfiniBand v\u1edbi <strong>\u0111\u1ed9 tr\u1ec5 c\u1ef1c th\u1ea5p v\u00e0 b\u0103ng th\u00f4ng cao<\/strong> gi\u00fap tr\u00e1nh t\u00ecnh tr\u1ea1ng GPU ph\u1ea3i ch\u1edd \u0111\u1ee3i, gi\u1ea3m \u0111\u00e1ng k\u1ec3 th\u1eddi gian hu\u1ea5n luy\u1ec7n t\u1eeb v\u00e0i tu\u1ea7n xu\u1ed1ng c\u00f2n v\u00e0i ng\u00e0y.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>T\u00ednh to\u00e1n hi\u1ec7u n\u0103ng cao <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-hpc-high-performance-computing\/\"><strong>(T\u00ednh to\u00e1n hi\u1ec7u n\u0103ng cao \u2013 HPC)<\/strong><\/a><strong>:<\/strong> C\u00e1c m\u00f4 ph\u1ecfng khoa h\u1ecdc trong c\u00e1c l\u0129nh v\u1ef1c nh\u01b0 gi\u1ea3i m\u00e3 gen, m\u00f4 h\u00ecnh kh\u00ed h\u1eadu v\u00e0 thi\u00ean v\u0103n h\u1ecdc bao g\u1ed3m h\u00e0ng ngh\u00ecn t\u1ef7 ph\u00e9p t\u00ednh. InfiniBand v\u1edbi <strong>ki\u1ebfn tr\u00fac m\u1ea1ng kh\u00f4ng m\u1ea5t m\u00e1t d\u1eef li\u1ec7u v\u00e0 RDMA<\/strong> \u0111\u1ea3m b\u1ea3o c\u00e1c ph\u00e9p t\u00ednh n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n ho\u00e0n to\u00e0n \u0111\u1ed3ng b\u1ed9 m\u00e0 kh\u00f4ng b\u1ecb c\u1ea3n tr\u1edf b\u1edfi c\u00e1c \u0111i\u1ec3m ngh\u1ebdn trong vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Giao d\u1ecbch t\u1ea7n s\u1ed1 cao (HFT):<\/strong> Trong giao d\u1ecbch t\u00e0i ch\u00ednh, t\u1eebng microsecond \u0111\u1ec1u quan tr\u1ecdng. Vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u g\u1ea7n nh\u01b0 t\u1ee9c th\u1eddi nh\u1edd InfiniBand c\u00f3 th\u1ec3 mang l\u1ea1i l\u1ee3i th\u1ebf c\u1ea1nh tranh \u0111\u00e1ng k\u1ec3.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27a3 Ng\u01b0\u1eddi h\u00f9ng th\u1ea7m l\u1eb7ng: V\u00ec sao ch\u1ea5t l\u01b0\u1ee3ng b\u1ed9 thu ph\u00e1t quang l\u1ea1i quan tr\u1ecdng<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t m\u1ea1ng InfiniBand hi\u1ec7u n\u0103ng cao ch\u1ec9 m\u1ea1nh ngang v\u1edbi m\u1eaft x\u00edch y\u1ebfu nh\u1ea5t c\u1ee7a n\u00f3. \u0110\u00e2y l\u00e0 l\u00fac c\u00e1c b\u1ed9 thu ph\u00e1t quang ph\u00e1t huy vai tr\u00f2. Nh\u1eefng thi\u1ebft b\u1ecb nh\u1ecf b\u00e9 nh\u01b0ng m\u1ea1nh m\u1ebd n\u00e0y chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u \u0111i\u1ec7n t\u1eeb switch th\u00e0nh t\u00edn hi\u1ec7u quang \u0111\u1ec3 truy\u1ec1n qua c\u00e1p quang.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1eed d\u1ee5ng c\u00e1c b\u1ed9 thu ph\u00e1t quang <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26045-400g-qsfp-dd-osfp-qsfp112.htm\"><strong>InfiniBand ch\u1ea5t l\u01b0\u1ee3ng cao v\u00e0 \u0111\u00e1ng tin c\u1eady<\/strong><\/a> l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 duy tr\u00ec \u0111\u1ed9 to\u00e0n v\u1eb9n t\u00edn hi\u1ec7u, gi\u1ea3m thi\u1ec3u \u0111\u1ed9 tr\u1ec5 v\u00e0 \u0111\u1ea3m b\u1ea3o vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u kh\u00f4ng l\u1ed7i tr\u00ean kho\u1ea3ng c\u00e1ch d\u00e0i h\u01a1n. C\u00e1c th\u00e0nh ph\u1ea7n quang h\u1ecdc k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn l\u1ed7i d\u1eef li\u1ec7u, truy\u1ec1n l\u1ea1i v\u00e0 \u0111\u1ed9 tr\u1ec5 t\u0103ng cao, l\u00e0m m\u1ea5t ho\u00e0n to\u00e0n nh\u1eefng l\u1ee3i th\u1ebf c\u1ee7a c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng InfiniBand \u0111\u1eaft ti\u1ec1n c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 c\u00f3 m\u1ed9t m\u1ea1ng l\u01b0\u1edbi li\u1ec1n m\u1ea1ch v\u00e0 t\u1ed1i \u01b0u h\u00f3a, \u0111i\u1ec1u thi\u1ebft y\u1ebfu l\u00e0 ch\u1ecdn c\u00e1c th\u00e0nh ph\u1ea7n quang h\u1ecdc t\u01b0\u01a1ng th\u00edch, hi\u1ec7u su\u1ea5t cao t\u1eeb nh\u00e0 cung c\u1ea5p \u0111\u00e1ng tin c\u1eady.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27a3 T\u1ed1i \u01b0u h\u00f3a C\u01a1 s\u1edf h\u1ea1 t\u1ea7ng InfiniBand c\u1ee7a B\u1ea1n v\u1edbi LINK-PP<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e2y l\u00e0 n\u01a1i <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.link-pp.com\/\"><strong>LINK-PP<\/strong><\/a> kh\u1eb3ng \u0111\u1ecbnh v\u1ecb th\u1ebf l\u00e0 \u0111\u1ed1i t\u00e1c then ch\u1ed1t cho c\u00e1c nh\u00e0 khai th\u00e1c trung t\u00e2m d\u1eef li\u1ec7u. <strong>LINK-PP<\/strong> cung c\u1ea5p \u0111\u1ea7y \u0111\u1ee7 c\u00e1c lo\u1ea1i b\u1ed9 thu ph\u00e1t quang c\u00f3 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch cao v\u00e0 \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t cho c\u00e1c c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng InfiniBand hi\u1ec7n \u0111\u1ea1i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ed d\u1ee5, vi\u1ec7c t\u00edch h\u1ee3p <strong>B\u1ed9 thu ph\u00e1t quang InfiniBand LINK-PP QSFP-DD NDR 400G<\/strong> v\u00e0o n\u1ec1n t\u1ea3ng Mellanox Quantum-2 c\u1ee7a b\u1ea1n \u0111\u1ea3m b\u1ea3o \u0111\u1ea1t \u0111\u01b0\u1ee3c to\u00e0n b\u1ed9 th\u00f4ng l\u01b0\u1ee3ng 400 Gbps (HDR) v\u1edbi \u0111\u1ed9 tin c\u1eady xu\u1ea5t s\u1eafc. M\u00f4-\u0111un n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf d\u00e0nh ri\u00eang cho <strong>ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng th\u1ea5p v\u00e0 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t cao<\/strong>, nh\u1eefng y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu \u0111\u1ec3 duy tr\u00ec hi\u1ec7u su\u1ea5t trong c\u00e1c gi\u00e1 \u0111\u1ee1 m\u00e1y ch\u1ee7 d\u00e0y \u0111\u1eb7c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Khi b\u1ea1n \u0111ang t\u00ecm ki\u1ebfm <strong>c\u00e1c b\u1ed9 thu ph\u00e1t t\u01b0\u01a1ng th\u00edch InfiniBand \u0111\u00e1ng tin c\u1eady<\/strong> ho\u1eb7c m\u1ed9t <strong>Khi c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng m\u1ea1ng ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n, c\u00e1c k\u1ebft n\u1ed1i li\u00ean h\u1ec7 d\u1ef1a tr\u00ean \u0111\u1ed3ng v\u1eabn l\u00e0 m\u1ed9t <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26045-400g-qsfp-dd-osfp-qsfp112.htm\"><strong>m\u00f4-\u0111un quang 400G<\/strong><\/a>, <strong>LINK-PP<\/strong> cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p \u0111\u00e1p \u1ee9ng nghi\u00eam ng\u1eb7t c\u00e1c ti\u00eau chu\u1ea9n OEM m\u00e0 kh\u00f4ng k\u00e8m theo m\u1ee9c gi\u00e1 cao, \u0111\u1ea3m b\u1ea3o m\u1ea1ng c\u1ee7a b\u1ea1n ho\u1ea1t \u0111\u1ed9ng \u1edf m\u1ee9c t\u1ed1i \u01b0u m\u00e0 kh\u00f4ng ph\u00e1t sinh chi ph\u00ed d\u01b0 th\u1eeba.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27a3 K\u1ebft lu\u1eadn: InfiniBand c\u00f3 ph\u00f9 h\u1ee3p v\u1edbi b\u1ea1n kh\u00f4ng?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">InfiniBand kh\u00f4ng ph\u1ea3i l\u00e0 gi\u1ea3i ph\u00e1p \u201cm\u1ed9t k\u00edch c\u1ee1 ph\u00f9 h\u1ee3p v\u1edbi t\u1ea5t c\u1ea3\u201d. \u0110\u1ed1i v\u1edbi h\u1ea7u h\u1ebft c\u00e1c m\u1ea1ng doanh nghi\u1ec7p \u0111a m\u1ee5c \u0111\u00edch, Ethernet t\u1ed1c \u0111\u1ed9 cao v\u1eabn l\u00e0 l\u1ef1a ch\u1ecdn linh ho\u1ea1t v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tuy nhi\u00ean, n\u1ebfu doanh nghi\u1ec7p c\u1ee7a b\u1ea1n \u0111ang \u0111\u1ea9y m\u1ea1nh gi\u1edbi h\u1ea1n nh\u1eefng \u0111i\u1ec1u kh\u1ea3 thi trong <strong>tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o, h\u1ecdc s\u00e2u ho\u1eb7c \u0111i\u1ec7n to\u00e1n khoa h\u1ecdc quy m\u00f4 l\u1edbn<\/strong>, th\u00ec l\u1ee3i \u00edch v\u1ec1 hi\u1ec7u n\u0103ng c\u1ee7a InfiniBand l\u00e0 \u0111i\u1ec1u kh\u00f4ng th\u1ec3 ch\u1ed1i c\u00e3i. \u0110\u1ed9 tr\u1ec5 th\u1ea5p h\u01a1n, b\u0103ng th\u00f4ng r\u1ed9ng h\u01a1n v\u00e0 hi\u1ec7u qu\u1ea3 cao h\u01a1n c\u1ee7a n\u00f3 tr\u1ef1c ti\u1ebfp chuy\u1ec3n h\u00f3a th\u00e0nh k\u1ebft qu\u1ea3 nhanh h\u01a1n, n\u0103ng su\u1ea5t cao h\u01a1n v\u00e0 l\u1ee3i th\u1ebf c\u1ea1nh tranh v\u01b0\u1ee3t tr\u1ed9i h\u01a1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>S\u1eb5n s\u00e0ng khai ph\u00e1 to\u00e0n b\u1ed9 ti\u1ec1m n\u0103ng c\u1ee7a c\u1ee5m \u0111i\u1ec7n to\u00e1n hi\u1ec7u n\u0103ng cao (HPC) c\u1ee7a b\u1ea1n ch\u01b0a?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">ch\u1ea5t l\u01b0\u1ee3ng cao, t\u01b0\u01a1ng th\u00edch v\u00e0 \u0111\u00e1ng tin c\u1eady cho c\u1ea3 \u1ee9ng d\u1ee5ng Ethernet v\u00e0 OTN. <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/support.htm\"><strong>Li\u00ean h\u1ec7 chuy\u00ean gia LINK-PP<\/strong><\/a> \u0111\u1ec3 t\u00ecm ra gi\u1ea3i ph\u00e1p InfiniBand ho\u00e0n h\u1ea3o cho c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng c\u1ee7a b\u1ea1n. \u0110\u1ea3m b\u1ea3o x\u01b0\u01a1ng s\u1ed1ng m\u1ea1ng c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng d\u1ef1a tr\u00ean \u0111\u1ed9 tin c\u1eady v\u00e0 t\u1ed1c \u0111\u1ed9.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27a3 C\u00c2U H\u1eceI TH\u01af\u1edcNG G\u1eb6P<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >\u0110i\u1ec1u g\u00ec khi\u1ebfn InfiniBand nhanh h\u01a1n Ethernet?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">InfiniBand s\u1eed d\u1ee5ng RDMA v\u00e0 giao th\u1ee9c ri\u00eang c\u1ee7a n\u00f3. C\u00e1c thi\u1ebft b\u1ecb g\u1eedi d\u1eef li\u1ec7u tr\u1ef1c ti\u1ebfp v\u00e0o b\u1ed9 nh\u1edb. M\u1ea1ng b\u1ecf qua c\u00e1c b\u01b0\u1edbc b\u1ed5 sung m\u00e0 Ethernet y\u00eau c\u1ea7u. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 InfiniBand c\u00f3 th\u1eddi gian ch\u1edd ng\u1eafn h\u01a1n v\u00e0 t\u1ed1c \u0111\u1ed9 cao h\u01a1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >InfiniBand c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng c\u00f9ng c\u00e1c thi\u1ebft b\u1ecb Ethernet kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">InfiniBand kh\u00f4ng th\u1ec3 k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp v\u1edbi c\u00e1c thi\u1ebft b\u1ecb Ethernet. M\u1ed7i m\u1ea1ng s\u1eed d\u1ee5ng ph\u1ea7n c\u1ee9ng v\u00e0 quy t\u1eafc kh\u00e1c nhau. M\u1ed9t s\u1ed1 n\u01a1i s\u1eed d\u1ee5ng c\u1ed5ng k\u1ebft n\u1ed1i (gateway) ho\u1eb7c b\u1ed9 th\u00edch nghi (adapter) \u0111\u1ec3 k\u1ebft n\u1ed1i c\u1ea3 hai m\u1ea1ng. C\u00e1c c\u00f4ng c\u1ee5 n\u00e0y gi\u00fap chuy\u1ec3n d\u1eef li\u1ec7u gi\u1eefa InfiniBand v\u00e0 Ethernet.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >InfiniBand ch\u1ec9 d\u00e0nh ri\u00eang cho si\u00eau m\u00e1y t\u00ednh sao?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">InfiniBand ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u1ea5t trong si\u00eau m\u00e1y t\u00ednh v\u00e0 ph\u00f2ng th\u00ed nghi\u1ec7m. Nhi\u1ec1u trung t\u00e2m d\u1eef li\u1ec7u s\u1eed d\u1ee5ng n\u00f3 cho c\u00e1c t\u00e1c v\u1ee5 l\u01b0u tr\u1eef v\u00e0 \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y. V\u0103n ph\u00f2ng nh\u1ecf kh\u00f4ng c\u1ea7n InfiniBand. Ethernet l\u00e0 \u0111\u1ee7 cho nhu c\u1ea7u c\u00f4ng vi\u1ec7c c\u1ee7a h\u1ecd.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >InfiniBand c\u00f3 c\u1ea7n c\u00e1p \u0111\u1eb7c bi\u1ec7t kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f3, InfiniBand s\u1eed d\u1ee5ng c\u00e1p ri\u00eang c\u1ee7a m\u00ecnh. Nh\u1eefng c\u00e1p n\u00e0y gi\u00fap duy tr\u00ec t\u1ed1c \u0111\u1ed9 cao v\u00e0 th\u1eddi gian ch\u1edd th\u1ea5p. C\u00e1p \u0111\u1ea3m b\u1ea3o d\u1eef li\u1ec7u an to\u00e0n v\u00e0 di chuy\u1ec3n nhanh ch\u00f3ng. Ng\u01b0\u1eddi d\u00f9ng ph\u1ea3i ch\u1ecdn \u0111\u00fang lo\u1ea1i c\u00e1p cho thi\u1ebft b\u1ecb InfiniBand c\u1ee7a m\u00ecnh.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >InfiniBand \u0111\u1ea3m b\u1ea3o an to\u00e0n d\u1eef li\u1ec7u nh\u01b0 th\u1ebf n\u00e0o?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">InfiniBand ki\u1ec3m tra l\u1ed7i khi truy\u1ec1n d\u1eef li\u1ec7u. M\u1ea1ng s\u1eed d\u1ee5ng c\u00e1c \u0111\u01b0\u1eddng d\u1eabn d\u1ef1 ph\u00f2ng n\u1ebfu m\u1ed9t \u0111\u01b0\u1eddng d\u1eabn b\u1ecb h\u1ecfng. \u0110i\u1ec1u n\u00e0y gi\u00fap ng\u0103n ch\u1eb7n m\u1ea5t d\u1eef li\u1ec7u. Nhi\u1ec1u c\u00f4ng ty tin t\u01b0\u1edfng InfiniBand cho c\u00e1c c\u00f4ng vi\u1ec7c quy m\u00f4 l\u1edbn v\u00ec n\u00f3 duy tr\u00ec k\u1ebft n\u1ed1i \u1ed5n \u0111\u1ecbnh.<\/p>","protected":false},"excerpt":{"rendered":"<p>InfiniBand l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 m\u1ea1ng t\u1ed1c \u0111\u1ed9 cao cho ph\u00e9p truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u nhanh v\u00e0 \u0111\u1ed9 tr\u1ec5 th\u1ea5p trong c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u v\u00e0 m\u00f4i tr\u01b0\u1eddng HPC b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng RDMA.<\/p>","protected":false},"author":1,"featured_media":5307,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[26],"class_list":["post-5309","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-center","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/5309","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/comments?post=5309"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/5309\/revisions"}],"predecessor-version":[{"id":11386,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/5309\/revisions\/11386"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/5307"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=5309"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=5309"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=5309"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}