{"id":15560,"date":"2023-04-07T17:28:39","date_gmt":"2023-04-07T10:28:39","guid":{"rendered":"https:\/\/www.thegioimaychu.vn\/blog\/?p=15560"},"modified":"2023-04-07T22:19:29","modified_gmt":"2023-04-07T15:19:29","slug":"mang-infiniband-la-gi-va-su-khac-biet-voi-ethernet","status":"publish","type":"post","link":"https:\/\/thegioimaychu.vn\/blog\/giai-phap\/mang-infiniband-la-gi-va-su-khac-biet-voi-ethernet-p15560\/","title":{"rendered":"M\u1ea1ng InfiniBand l\u00e0 g\u00ec v\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t v\u1edbi Ethernet?"},"content":{"rendered":"<style>.iblink{color:#975!important;}.iblink:hover{color:orange!important;}<\/style><h2><strong>M\u1ea1ng InfiniBand l\u00e0 g\u00ec?<\/strong><\/h2>\n<p>H\u1ec7 th\u1ed1ng ki\u1ebfn tr\u00fac InfiniBand mang t\u00ednh h\u1ee3p nh\u1ea5t c\u1ee7a s\u1ee3i quang v\u00e0o trung t\u00e2m d\u1eef li\u1ec7u l\u01b0u tr\u1eef, cung c\u1ea5p b\u0103ng th\u00f4ng cao, \u0111\u1ed9 tr\u1ec5 th\u1ea5p v\u00e0 \u0111\u1ed9 tin c\u1eady cao. InfiniBand l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 k\u1ebft n\u1ed1i m\u1ea1ng ti\u00eau chu\u1ea9n m\u1edf \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a b\u1edfi IBTA, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong l\u0129nh v\u1ef1c c\u1ee5m si\u00eau m\u00e1y t\u00ednh v\u00e0 l\u00e0 c\u00f4ng ngh\u1ec7 k\u1ebft n\u1ed1i m\u1ea1ng \u01b0a chu\u1ed9ng cho <a class=\"iblink\" href=\"\/server\/gpu-system\/\">m\u00e1y ch\u1ee7 GPU<\/a> trong b\u1ed1i c\u1ea3nh ph\u00e1t tri\u1ec3n v\u01b0\u1ee3t b\u1eadc c\u1ee7a <a class=\"iblink\" href=\"\/blog\/tag\/ai\/\">tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o<\/a>.<\/p>\n<p>Ti\u00eau chu\u1ea9n InfiniBand h\u1ed7 tr\u1ee3 truy\u1ec1n t\u00edn hi\u1ec7u t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u \u0111\u01a1n (SDR) \u1edf t\u1ed1c \u0111\u1ed9 c\u01a1 b\u1ea3n 2,5 Gbit\/gi\u00e2y tr\u00ean m\u1ed7i l\u00e0n, cho ph\u00e9p t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u th\u00f4 10 Gbit\/gi\u00e2y tr\u00ean c\u00e1p 4X, lo\u1ea1i c\u00e1p InfiniBand ph\u1ed5 bi\u1ebfn nh\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. H\u01a1n n\u1eefa, t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u k\u00e9p (DDR) v\u00e0 t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u quad (QDR) cho ph\u00e9p m\u1edf r\u1ed9ng c\u00e1c l\u00e0n \u0111\u01b0\u1eddng \u0111\u01a1n t\u01b0\u01a1ng \u1ee9ng l\u00ean t\u1edbi 5 Gbit\/gi\u00e2y v\u00e0 10 Gbit\/gi\u00e2y m\u1ed7i l\u00e0n, cho t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u t\u1ed1i \u0111a ti\u1ec1m n\u0103ng l\u00e0 40 Gbit\/gi\u00e2y tr\u00ean 4X v\u00e0 120 Gbit\/gi\u00e2y tr\u00ean 12X c\u00e1p. InfiniBand c\u00f3 kh\u1ea3 n\u0103ng ch\u1ea1y \u0111\u1ed3ng th\u1eddi v\u1edbi c\u00e1c c\u1ea5u tr\u00fac ph\u00e2n c\u1ee5m, giao ti\u1ebfp v\u00e0 qu\u1ea3n l\u00fd tr\u00ean c\u00f9ng m\u1ed9t c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng, duy tr\u00ec ho\u1ea1t \u0111\u1ed9ng c\u1ee7a nhi\u1ec1u lo\u1ea1i v\u1ea3i.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/thegioimaychu.vn\/blog\/wp-content\/uploads\/2023\/04\/tgmc-blog-642feddc82212.png\" alt=\"So s\u00e1nh c\u00e1c c\u00f4ng ngh\u1ec7 m\u1ea1ng\" \/><\/p>\n<div class=\"group w-full text-gray-800 dark:text-gray-100 border-b border-black\/10 dark:border-gray-900\/50 bg-gray-50 dark:bg-[#444654]\">\n<div class=\"text-base gap-4 md:gap-6 md:max-w-2xl lg:max-w-xl xl:max-w-3xl p-4 md:py-6 flex lg:px-0 m-auto\">\n<div class=\"relative flex w-[calc(100%-50px)] flex-col gap-1 md:gap-3 lg:w-[calc(100%-115px)]\">\n<div class=\"flex flex-grow flex-col gap-3\">\n<div class=\"min-h-[20px] flex flex-col items-start gap-4 whitespace-pre-wrap\">\n<div class=\"markdown prose w-full break-words dark:prose-invert light\">\n<p>C\u00f4ng ngh\u1ec7 InfiniBand \u0111ang \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c l\u0129nh v\u1ef1c m\u00e1y t\u00ednh hi\u1ec7u su\u1ea5t cao v\u00e0 <a class=\"iblink\" href=\"\/blog\/tag\/ai\/\">tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o<\/a> nh\u1edd v\u00e0o t\u00ednh h\u1ee3p nh\u1ea5t v\u00e0 b\u0103ng th\u00f4ng cao. S\u1ea3n ph\u1ea9m m\u1edbi nh\u1ea5t c\u1ee7a Mellanox l\u00e0 HDR mang \u0111\u1ebfn b\u0103ng th\u00f4ng \u0111\u1ea7u cu\u1ed1i l\u00ean \u0111\u1ebfn 200gbps, \u0111\u1ed3ng th\u1eddi t\u1ed1i \u0111a h\u00f3a ti\u1ec1m n\u0103ng t\u00ednh to\u00e1n trong c\u1ee5m. InfiniBand \u0111\u01b0\u1ee3c xem l\u00e0 c\u00f4ng ngh\u1ec7 truy\u1ec1n th\u00f4ng m\u1ea1ng \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb b\u1edfi Hi\u1ec7p h\u1ed9i Th\u01b0\u01a1ng m\u1ea1i InfiniBand (IBTA) v\u00e0 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c si\u00eau m\u00e1y t\u00ednh TOP500. C\u00e1c \u1ee9ng d\u1ee5ng li\u00ean quan \u0111\u1ebfn AI\/Big Data c\u0169ng \u0111\u00e3 s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 InfiniBand \u0111\u1ec3 tri\u1ec3n khai c\u1ee5m hi\u1ec7u su\u1ea5t cao.<\/p>\r\n\t\t\t\t<div class=\"tgmcad hor\" style=\"text-align:center;margin:30px 0; padding: 10px 0; border-radius:5px; border-top:solid 1px #ccc; border-bottom:solid 1px #ccc; \">\r\n\t\t\t\t<a href=\"https:\/\/thegioimaychu.vn\/giai-phap\/deep-learning\/\"><img decoding=\"async\" alt=\"Gi\u1ea3i ph\u00e1p h\u1ea1 t\u1ea7ng Deep Learning, Tr\u00ed tu\u1ec7 Nh\u00e2n t\u1ea1o - AI\" src=\"https:\/\/thegioimaychu.vn\/blog\/wp-content\/uploads\/2019\/11\/tgmc-deep-learning.jpg\" \/><\/a>\r\n\t\t\t\t<\/div>\n<p>Hi\u1ec7n nay, kho\u1ea3ng 62% trong s\u1ed1 c\u00e1c trung t\u00e2m si\u00eau m\u00e1y t\u00ednh Top100 \u0111\u00e3 s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 InfiniBand (d\u1eef li\u1ec7u th\u00e1ng 2022 n\u0103m XNUMX), v\u01b0\u1ee3t qua c\u00e1c c\u00f4ng ngh\u1ec7 Ethernet\/Fibre Channel v\u00e0 c\u00f4ng ngh\u1ec7 Omni-Path l\u1ed7i th\u1eddi.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/thegioimaychu.vn\/blog\/wp-content\/uploads\/2023\/04\/tgmc-blog-642feddddc254.png\" alt=\"top100 v\u00f4 c\u1ef1c\" \/><\/p>\n<h2><strong>200G InfiniBand HDR l\u00e0 g\u00ec?<\/strong><\/h2>\n<div class=\"group w-full text-gray-800 dark:text-gray-100 border-b border-black\/10 dark:border-gray-900\/50 bg-gray-50 dark:bg-[#444654]\">\n<div class=\"text-base gap-4 md:gap-6 md:max-w-2xl lg:max-w-xl xl:max-w-3xl p-4 md:py-6 flex lg:px-0 m-auto\">\n<div class=\"relative flex w-[calc(100%-50px)] flex-col gap-1 md:gap-3 lg:w-[calc(100%-115px)]\">\n<div class=\"flex flex-grow flex-col gap-3\">\n<div class=\"min-h-[20px] flex flex-col items-start gap-4 whitespace-pre-wrap\">\n<div class=\"markdown prose w-full break-words dark:prose-invert light\">\n<p>InfiniBand h\u1ed7 tr\u1ee3 nhi\u1ec1u lo\u1ea1i k\u1ebft n\u1ed1i kh\u00e1c nhau \u0111\u1ec3 t\u0103ng b\u0103ng th\u00f4ng. Mellanox \u0111\u00e3 ph\u00e1t h\u00e0nh phi\u00ean b\u1ea3n m\u1edbi nh\u1ea5t c\u1ee7a InfiniBand v\u1edbi t\u1ed1c \u0111\u1ed9 200Gbps, h\u1ed7 tr\u1ee3 c\u00f4ng ngh\u1ec7 HDR. \u0110i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a s\u1ea3n ph\u1ea9m n\u00e0y l\u00e0 \u0111\u1ed9 tr\u1ec5 th\u1ea5p v\u00e0 kh\u1ea3 n\u0103ng t\u0103ng t\u1ed1c t\u00ednh to\u00e1n m\u1ea1ng th\u00f4ng minh. Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng tr\u00ecnh \u0111i\u1ec1u khi\u1ec3n ph\u1ea7n m\u1ec1m Mellanox ti\u00eau chu\u1ea9n tr\u00ean \u0111\u00e1m m\u00e2y, gi\u1ed1ng nh\u01b0 trong m\u00f4i tr\u01b0\u1eddng Bare Metal, v\u00e0 s\u1eed d\u1ee5ng t\u1ea5t c\u1ea3 ph\u1ea7n m\u1ec1m MPI d\u1ef1a tr\u00ean InfiniBand nh\u01b0 Mellanox HPC-X, MVAPICH2, Platform MPI, Intel MPI, v.v.<\/p>\n<p>B\u00ean c\u1ea1nh \u0111\u00f3, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 t\u1eadn d\u1ee5ng ph\u1ea7n c\u1ee9ng offt\u00ednh n\u0103ng t\u1ea3i c\u1ee7a giao ti\u1ebfp c\u1ee5m MPI \u0111\u1ec3 t\u0103ng hi\u1ec7u su\u1ea5t v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 c\u00e1c \u1ee9ng d\u1ee5ng kinh doanh. S\u1ea3n ph\u1ea9m 200G InfiniBand cung c\u1ea5p nhi\u1ec1u \u1ee9ng d\u1ee5ng, bao g\u1ed3m \u0111\u1ed9ng c\u01a1 t\u0103ng t\u1ed1c t\u00ednh to\u00e1n trong m\u1ea1ng, b\u1ed9 \u0111i\u1ec1u h\u1ee3p HDR InfiniBand, c\u00f4ng t\u1eafc HDR InfiniBand Quantum v\u00e0 h\u1ec7 th\u1ed1ng c\u00e1p 200G.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"flex justify-between lg:block\">\n<div class=\"text-gray-400 flex self-end lg:self-center justify-center mt-2 gap-2 md:gap-3 lg:gap-1 lg:absolute lg:top-0 lg:translate-x-full lg:right-0 lg:mt-0 lg:pl-2 visible\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/thegioimaychu.vn\/blog\/wp-content\/uploads\/2023\/04\/tgmc-blog-642feddeb8e77.png\" alt=\"\u1ee8ng d\u1ee5ng InfiniBand\" \/><\/p>\n<p>\u0110\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng c\u00e1p 200G InfiniBand, ph\u1ea7n cu\u1ed1i c\u00f9ng c\u1ee7a gi\u1ea3i ph\u00e1p Mellanox 200Gbs l\u00e0 d\u00f2ng\u00a0<a href=\"https:\/\/www.fibermall.com\/vi\/blog\/mellanox-infiniband-dac-aoc-cables.htm\">C\u00e1p LinkX<\/a>. melanox offers c\u00e1p \u0111\u1ed3ng 200G g\u1eafn tr\u1ef1c ti\u1ebfp l\u00ean \u0111\u1ebfn 3 m\u00e9t v\u00e0 c\u00e1p \u0111\u1ed9t ph\u00e1 b\u1ed9 chia 2 x 100G \u0111\u1ec3 k\u00edch ho\u1ea1t li\u00ean k\u1ebft HDR100, c\u0169ng nh\u01b0 c\u00e1p quang ho\u1ea1t \u0111\u1ed9ng 200G \u0111\u1ea1t t\u1edbi 100 m\u00e9t. T\u1ea5t c\u1ea3 c\u00e1c c\u00e1p LinkX trong d\u00f2ng 200Gb \/ s \u0111\u1ec1u c\u00f3 trong g\u00f3i QSFP56 ti\u00eau chu\u1ea9n.<\/p>\n<h2><strong>\u01afu \u0111i\u1ec3m c\u1ee7a M\u1ea1ng InfiniBand l\u00e0 g\u00ec?<\/strong><\/h2>\n<ul>\n<li>Li\u00ean k\u1ebft b\u0103ng th\u00f4ng cao n\u1ed1i ti\u1ebfp<\/li>\n<\/ul>\n<p>&#8211; SDR: 10Gb \/ gi\u00e2y<\/p>\n<p>&#8211; DDR: 20Gb \/ s<\/p>\n<p>&#8211; QDR: 40Gb \/ gi\u00e2y<\/p>\n<p>&#8211; FDR: 56Gb \/ gi\u00e2y<\/p>\n<p>&#8211; EDR: 100Gb \/ gi\u00e2y<\/p>\n<p>&#8211; HDR: 200Gb \/ gi\u00e2y<\/p>\n<p>\u2013 NDR: 400Gb\/gi\u00e2y<\/p>\n<ul>\n<li>\u0110\u1ed9 tr\u1ec5 c\u1ef1c th\u1ea5p<\/li>\n<li>\u0110\u00e1ng tin c\u1eady, kh\u00f4ng m\u1ea5t m\u00e1t, t\u1ef1 qu\u1ea3n l\u00fd<\/li>\n<\/ul>\n<p>&#8211; Ki\u1ec3m so\u00e1t l\u01b0u l\u01b0\u1ee3ng m\u1ee9c li\u00ean k\u1ebft<\/p>\n<p>&#8211; Ki\u1ec3m so\u00e1t t\u1eafc ngh\u1ebdn \u0111\u1ec3 ng\u0103n ch\u1eb7n HOL ch\u1eb7n<\/p>\n<ul>\n<li>B\u1ed9 nh\u1edb ti\u1ebfp x\u00fac v\u1edbi quy\u1ec1n truy c\u1eadp n\u00fat t\u1eeb xa &#8211; RDMA-\u0111\u1ecdc v\u00e0 RDMA-ghi<\/li>\n<li>Ch\u1ea5t l\u01b0\u1ee3ng d\u1ecbch v\u1ee5<\/li>\n<\/ul>\n<p>&#8211; C\u00e1c k\u00eanh I \/ O \u0111\u1ed9c l\u1eadp \u1edf c\u1ea5p b\u1ed9 \u0111i\u1ec1u h\u1ee3p<\/p>\n<p>&#8211; L\u00e0n \u0111\u01b0\u1eddng \u1ea3o \u1edf c\u1ea5p \u0111\u1ed9 li\u00ean k\u1ebft<\/p>\n<ul>\n<li>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng \/ t\u00ednh linh ho\u1ea1t c\u1ee7a c\u1ee5m<\/li>\n<\/ul>\n<p>&#8211; L\u00ean \u0111\u1ebfn 48K n\u00fat trong m\u1ea1ng con<\/p>\n<p>&#8211; C\u00f3 th\u1ec3 c\u00f3 nhi\u1ec1u c\u1ea5u tr\u00fac li\u00ean k\u1ebft<\/p>\n<ul>\n<li>Qu\u1ea3n l\u00fd c\u1ee5m \u0111\u01a1n gi\u1ea3n h\u00f3a<\/li>\n<\/ul>\n<p>&#8211; Qu\u1ea3n l\u00fd tuy\u1ebfn t\u1eadp trung<\/p>\n<p>&#8211; N\u00e2ng c\u1ea5p v\u00e0 ch\u1ea9n \u0111o\u00e1n trong b\u0103ng t\u1ea7n<\/p>\n<h2><strong>M\u1ea1ng Ethernet l\u00e0 g\u00ec?<\/strong><\/h2>\n<p>Ethernet \u0111\u1ec1 c\u1eadp \u0111\u1ebfn ti\u00eau chu\u1ea9n th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt m\u1ea1ng LAN b\u0103ng t\u1ea7n c\u01a1 s\u1edf \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi c\u00f4ng ty Xerox v\u00e0 c\u00f4ng ty Xerox, Intel v\u00e0 DEC c\u00f9ng ph\u00e1t tri\u1ec3n. Ti\u00eau chu\u1ea9n Ethernet chung \u0111\u01b0\u1ee3c ban h\u00e0nh v\u00e0o ng\u00e0y 30 th\u00e1ng 1980 n\u0103m 10. \u0110\u00e2y l\u00e0 ti\u00eau chu\u1ea9n giao th\u1ee9c truy\u1ec1n th\u00f4ng chung nh\u1ea5t \u0111\u01b0\u1ee3c m\u1ea1ng LAN hi\u1ec7n c\u00f3 th\u00f4ng qua. N\u00f3 truy\u1ec1n v\u00e0 nh\u1eadn d\u1eef li\u1ec7u th\u00f4ng qua d\u00e2y c\u00e1p.<\/p>\n<p>M\u1ea1ng Ethernet \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o m\u1ea1ng c\u1ee5c b\u1ed9 v\u00e0 k\u1ebft n\u1ed1i nhi\u1ec1u m\u00e1y t\u00ednh ho\u1eb7c c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c nh\u01b0 m\u00e1y in, m\u00e1y qu\u00e9t, v.v. Trong m\u1ea1ng c\u00f3 d\u00e2y, \u0111i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n v\u1edbi s\u1ef1 tr\u1ee3 gi\u00fap c\u1ee7a c\u00e1p quang, trong khi trong m\u1ea1ng kh\u00f4ng d\u00e2y, n\u00f3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u00f4ng qua c\u00f4ng ngh\u1ec7 m\u1ea1ng kh\u00f4ng d\u00e2y. C\u00e1c lo\u1ea1i m\u1ea1ng Ethernet ch\u00ednh l\u00e0 Fast Ethernet, Gigabit Ethernet, XNUMX-Gigabit Ethernet v\u00e0 Switch Ethernet.<\/p>\n<p>Hi\u1ec7n t\u1ea1i, T\u1ed5 ch\u1ee9c Ti\u00eau chu\u1ea9n IEEE 802.3 do IEEE t\u1ed5 ch\u1ee9c \u0111\u00e3 ban h\u00e0nh c\u00e1c ti\u00eau chu\u1ea9n giao di\u1ec7n Ethernet 100GE, 200GE v\u00e0 400GE. M\u1ea1ng Ethernet l\u00e0 c\u00f4ng ngh\u1ec7 truy\u1ec1n d\u1eabn v\u1edbi t\u1ed1c \u0111\u1ed9 cao nh\u1ea5t hi\u1ec7n nay.<\/p>\n<h2><strong>InfiniBand vs Ethernet: S\u1ef1 kh\u00e1c bi\u1ec7t l\u00e0 g\u00ec?<\/strong><\/h2>\n<p>L\u00e0 c\u00f4ng ngh\u1ec7 k\u1ebft n\u1ed1i li\u00ean k\u1ebft, InfiniBand v\u00e0 Ethernet c\u00f3 nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m v\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t ri\u00eang. Ch\u00fang \u0111ang ph\u00e1t tri\u1ec3n v\u00e0 ph\u00e1t tri\u1ec3n trong c\u00e1c l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau, v\u00e0 \u0111\u00e3 tr\u1edf th\u00e0nh hai C\u00f4ng ngh\u1ec7 k\u1ebft n\u1ed1i kh\u00f4ng th\u1ec3 thi\u1ebfu trong th\u1ebf gi\u1edbi m\u1ea1ng c\u1ee7a ch\u00fang ta.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/thegioimaychu.vn\/blog\/wp-content\/uploads\/2023\/04\/tgmc-blog-642feddf6abb5.png\" alt=\"C\u00e1c lo\u1ea1i m\u1ea1ng Ethernet\" \/><\/p>\n<h3><strong>C\u00e1c lo\u1ea1i m\u1ea1ng Ethernet<\/strong><\/h3>\n<p>M\u1ea1ng Ethernet v\u00e0 c\u00f4ng ngh\u1ec7 IP l\u00e0 c\u01a1 s\u1edf c\u1ee7a Internet to\u00e0n c\u1ea7u, cung c\u1ea5p k\u1ebft n\u1ed1i cho m\u1ecdi ng\u01b0\u1eddi v\u00e0 thi\u1ebft b\u1ecb th\u00f4ng minh. Ethernet \u0111\u00e3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng kh\u00e1c nhau v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng m\u1ea1nh m\u1ebd. Sau nhi\u1ec1u n\u0103m ph\u00e1t tri\u1ec3n, Ethernet \u0111\u00e3 tr\u1edf th\u00e0nh ti\u00eau chu\u1ea9n c\u1ee7a Internet.<\/p>\n<p>InfiniBand, m\u1ed9t ti\u00eau chu\u1ea9n k\u1ebft n\u1ed1i cao c\u1ea5p, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 truy\u1ec1n d\u1eef li\u1ec7u t\u1ea1i c\u00e1c t\u00ecnh hu\u1ed1ng \u0111i\u1ec7n to\u00e1n hi\u1ec7u su\u1ea5t cao. V\u1edbi t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u c\u00f3 th\u1ec3 l\u00ean t\u1edbi 40Gbps ho\u1eb7c h\u01a1n, InfiniBand cung c\u1ea5p nh\u1eefng l\u1ee3i \u00edch v\u01b0\u1ee3t tr\u1ed9i so v\u1edbi Ethernet, ch\u1ee7 y\u1ebfu l\u00e0 b\u0103ng th\u00f4ng cao h\u01a1n, \u0111\u1ed9 tr\u1ec5 th\u1ea5p h\u01a1n v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng \u0111\u01b0\u1ee3c n\u00e2ng cao. InfiniBand tr\u1ef1c ti\u1ebfp t\u1ea1o ra m\u1ed9t k\u00eanh ri\u00eang t\u01b0 v\u00e0 \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 gi\u1eefa c\u00e1c n\u00fat th\u00f4ng qua c\u00e1c b\u1ed9 chuy\u1ec3n m\u1ea1ch \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u v\u00e0 th\u00f4ng \u0111i\u1ec7p m\u00e0 kh\u00f4ng c\u1ea7n CPU tham gia v\u00e0o truy c\u1eadp b\u1ed9 nh\u1edb tr\u1ef1c ti\u1ebfp t\u1eeb xa (RDMA). V\u00ec v\u1eady, v\u1ec1 b\u0103ng th\u00f4ng, \u0111\u1ed9 tr\u1ec5, \u0111\u1ed9 tin c\u1eady v\u00e0 ch\u1ebf \u0111\u1ed9 k\u1ebft n\u1ed1i m\u1ea1ng, InfiniBand kh\u00e1c v\u1edbi Ethernet.<\/p>\n<h2><strong>InfiniBand vs Omni-Path: \u01afu \u0111i\u1ec3m c\u1ee7a InfiniBand so v\u1edbi Omni-Path<\/strong><\/h2>\n<p>M\u1eb7c d\u00f9 NVIDIA \u0111\u00e3 \u0111\u01b0a ra gi\u1ea3i ph\u00e1p InfiniBand 400G NDR, m\u1ed9t s\u1ed1 kh\u00e1ch h\u00e0ng v\u1eabn \u0111ang s\u1eed d\u1ee5ng gi\u1ea3i ph\u00e1p 100G. \u0110\u1ed1i v\u1edbi m\u1ea1ng hi\u1ec7u su\u1ea5t cao 100G, c\u00f3 hai gi\u1ea3i ph\u00e1p ph\u1ed5 bi\u1ebfn, Omni-Path v\u00e0 InfiniBand, c\u00f3 c\u00f9ng t\u1ed1c \u0111\u1ed9 v\u00e0 hi\u1ec7u su\u1ea5t t\u01b0\u01a1ng t\u1ef1, nh\u01b0ng c\u1ea5u tr\u00fac m\u1ea1ng kh\u00e1c nhau r\u1ea5t nhi\u1ec1u. V\u00ed d\u1ee5, \u0111\u1ed1i v\u1edbi m\u1ed9t c\u1ee5m 400 n\u00fat, InfiniBand ch\u1ec9 y\u00eau c\u1ea7u 15 b\u1ed9 chuy\u1ec3n m\u1ea1ch NVIDIA Quantum 8000 series v\u00e0 200 c\u00e1p nh\u00e1nh 200G v\u00e0 200 c\u00e1p tr\u1ef1c ti\u1ebfp 200G, trong khi Omni-Path y\u00eau c\u1ea7u 24 c\u00f4ng t\u1eafc v\u00e0 876 c\u00e1p tr\u1ef1c ti\u1ebfp 100G (384 n\u00fat). InfiniBand r\u1ea5t c\u00f3 l\u1ee3i th\u1ebf v\u1ec1 chi ph\u00ed thi\u1ebft b\u1ecb ban \u0111\u1ea7u v\u00e0 chi ph\u00ed v\u1eadn h\u00e0nh, b\u1ea3o d\u01b0\u1ee1ng sau n\u00e0y v\u00e0 m\u1ee9c ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng t\u1ed5ng th\u1ec3 th\u1ea5p h\u01a1n Omni-Path r\u1ea5t nhi\u1ec1u, th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng h\u01a1n.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/thegioimaychu.vn\/blog\/wp-content\/uploads\/2023\/04\/tgmc-blog-642fede023105.png\" alt=\"\u01afu \u0111i\u1ec3m c\u1ee7a InfiniBand so v\u1edbi Omni-Path\" \/><\/p>\n<h2><strong>Gi\u1edbi thi\u1ec7u s\u1ea3n ph\u1ea9m InfiniBand HDR<\/strong><\/h2>\n<p>EDR \u0111ang b\u1ecb lo\u1ea1i b\u1ecf d\u1ea7n kh\u1ecfi th\u1ecb tr\u01b0\u1eddng do nhu c\u1ea7u c\u1ee7a kh\u00e1ch h\u00e0ng, t\u1ef7 l\u1ec7 NDR qu\u00e1 cao v\u00e0 ch\u1ec9 nh\u1eefng kh\u00e1ch h\u00e0ng ch\u00ednh th\u1ee9c m\u1edbi c\u1ed1 g\u1eafng s\u1eed d\u1ee5ng n\u00f3. HDR \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i v\u1edbi t\u00ednh linh ho\u1ea1t c\u1ee7a HDR 100G v\u00e0 HDR 200G.<\/p>\n<h3><span id=\"HDR_Switch\" class=\"ez-toc-section\"><\/span><strong>C\u00f4ng t\u1eafc HDR<\/strong><\/h3>\n<p>C\u00f3 hai lo\u1ea1i c\u00f4ng t\u1eafc HDR. M\u1ed9t l\u00e0 HDR CS8500. C\u00f4ng t\u1eafc 29U cung c\u1ea5p t\u1ed1i \u0111a 800 c\u1ed5ng HDR 200Gb \/ s v\u00e0 m\u1ed7i c\u1ed5ng 200 GB c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh 2X100G \u0111\u1ec3 h\u1ed7 tr\u1ee3 1600 c\u1ed5ng HDR100 100Gb \/ s.<\/p>\n<p>Lo\u1ea1i c\u00f2n l\u1ea1i l\u00e0 d\u00f2ng QM8000. B\u1ea3ng \u0111i\u1ec1u khi\u1ec3n 1U c\u00f3 40 c\u1ed5ng 200G QSFP56, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh t\u1ed1i \u0111a 80 c\u1ed5ng HDR 100G \u0111\u1ec3 k\u1ebft n\u1ed1i th\u1ebb m\u1ea1ng 100G HDR. \u0110\u1ed3ng th\u1eddi, m\u1ed7i c\u1ed5ng c\u0169ng h\u1ed7 tr\u1ee3 EDR v\u00e0 \u200b\u200bk\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp v\u1edbi card m\u1ea1ng c\u1ee7a EDR. C\u1ea7n l\u01b0u \u00fd r\u1eb1ng c\u1ed5ng 200G HDR ch\u1ec9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u00e0m ch\u1eadm xu\u1ed1ng 100G v\u00e0 k\u1ebft n\u1ed1i v\u1edbi b\u1ed9 \u0111i\u1ec1u h\u1ee3p m\u1ea1ng EDR, v\u00e0 kh\u00f4ng th\u1ec3 t\u00e1ch th\u00e0nh 2X100G \u0111\u1ec3 k\u1ebft n\u1ed1i hai b\u1ed9 \u0111i\u1ec1u h\u1ee3p m\u1ea1ng EDR.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/thegioimaychu.vn\/blog\/wp-content\/uploads\/2023\/04\/tgmc-blog-642fede0e19eb.png\" alt=\"HDR CS8500\" \/><\/p>\n<p>C\u00f3 hai t\u00f9y ch\u1ecdn cho c\u00f4ng t\u1eafc 200G HDR: QM8700 v\u00e0 QM8790. S\u1ef1 kh\u00e1c bi\u1ec7t duy nh\u1ea5t gi\u1eefa hai m\u00f4 h\u00ecnh l\u00e0 ch\u1ebf \u0111\u1ed9 qu\u1ea3n l\u00fd. QM8700 cung c\u1ea5p giao di\u1ec7n \u0111i\u1ec1u khi\u1ec3n \u0111\u1ec3 qu\u1ea3n l\u00fd ngo\u00e0i b\u0103ng t\u1ea7n, trong khi QM8790 y\u00eau c\u1ea7u n\u1ec1n t\u1ea3ng NVIDIA Unified Fabric Manager (UFM\u00ae) \u0111\u1ec3 qu\u1ea3n l\u00fd.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/thegioimaychu.vn\/blog\/wp-content\/uploads\/2023\/04\/tgmc-blog-642fede197c43.png\" alt=\"D\u00f2ng QM8000\" \/><\/p>\n<p>\u0110\u1ed1i v\u1edbi QM8700 v\u00e0 QM8790, c\u00f3 hai t\u00f9y ch\u1ecdn lu\u1ed3ng kh\u00f4ng kh\u00ed cho m\u1ed7i ki\u1ec3u c\u00f4ng t\u1eafc. M\u1ed9t trong s\u1ed1 \u0111\u00f3 l\u00e0 8790-HS2F cho lu\u1ed3ng kh\u00ed P2C (lu\u1ed3ng gi\u00f3 tr\u01b0\u1edbc v\u00e0 sau). M\u00f4-\u0111un qu\u1ea1t \u0111\u01b0\u1ee3c \u0111\u00e1nh d\u1ea5u m\u00e0u xanh lam. N\u1ebfu b\u1ea1n kh\u00f4ng nh\u1eadn ra c\u00e1c d\u1ea5u hi\u1ec7u, b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh ch\u00fang b\u1eb1ng c\u00e1ch \u0111\u01b0a tay l\u00ean tr\u00ean c\u1eeda h\u00fat gi\u00f3 v\u00e0 tho\u00e1t kh\u00ed c\u1ee7a c\u00f4ng t\u1eafc.<\/p>\n<p>8790-HS2R l\u00e0 d\u1ea5u \u0111\u1ecf tr\u00ean m\u00f4-\u0111un qu\u1ea1t d\u00f2ng kh\u00ed C2P (\u1ed1ng gi\u00f3 ph\u00eda tr\u01b0\u1edbc ph\u00eda sau). \u1ede \u0111\u00e2y P2C v\u00e0 C2P P c\u00f3 ngh\u0129a l\u00e0 Ngu\u1ed3n \u0111i\u1ec7n, C c\u00f3 ngh\u0129a l\u00e0 C\u00e1p (giao di\u1ec7n \u0111\u01b0\u1eddng d\u00e2y), P2C (Ngu\u1ed3n th\u00e0nh c\u00e1p), C2P (C\u00e1p th\u00e0nh ngu\u1ed3n) \u1edf \u0111\u00e2y h\u1ec7 quy chi\u1ebfu l\u00e0 Ngu\u1ed3n \u0111i\u1ec7n ph\u00eda tr\u01b0\u1edbc, ph\u00eda giao di\u1ec7n \u0111\u01b0\u1eddng d\u00e2y c\u00e1p cho ph\u00eda sau.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/thegioimaychu.vn\/blog\/wp-content\/uploads\/2023\/04\/tgmc-blog-642fede24fd6c.png\" alt=\"8790-HS2R l\u00e0 d\u1ea5u \u0111\u1ecf tr\u00ean m\u00f4-\u0111un qu\u1ea1t d\u00f2ng kh\u00ed C2P (\u1ed1ng gi\u00f3 ph\u00eda tr\u01b0\u1edbc ph\u00eda sau).\" \/><\/p>\n<p class=\"gt-block\">QM8700 v\u00e0 QM8790 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng theo hai c\u00e1ch trong th\u1ef1c t\u1ebf, m\u1ed9t l\u00e0 k\u1ebft n\u1ed1i v\u1edbi c\u00e1c NIC 200G HDR b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng tr\u1ef1c ti\u1ebfp 200G \u0111\u1ec3\u00a0<a href=\"https:\/\/www.fibermall.com\/vi\/sale-459098-mellanox-mfs1s00-h003e-200g-aoc-3m.htm\" target=\"_blank\" rel=\"noopener\">200G AOC<\/a>\/ DAC; c\u00e1ch s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn kh\u00e1c l\u00e0 k\u1ebft n\u1ed1i v\u1edbi 100G HDR NIC b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1p 200G \u0111\u1ebfn 2X100G, trong \u0111\u00f3 m\u1ed9t c\u1ed5ng QSFP200 4G (50X56G) v\u1eadt l\u00fd c\u1ee7a b\u1ed9 chuy\u1ec3n m\u1ea1ch \u0111\u01b0\u1ee3c chia th\u00e0nh 2 c\u1ed5ng \u1ea3o 100G (2X50G). 4X50G) C\u1ed5ng QSFP56 c\u1ee7a b\u1ed9 chuy\u1ec3n m\u1ea1ch \u0111\u01b0\u1ee3c chia th\u00e0nh hai c\u1ed5ng \u1ea3o 100G (2X50G) v\u00e0 sau khi t\u00e1ch, bi\u1ec3u t\u01b0\u1ee3ng c\u1ee7a c\u1ed5ng \u0111\u01b0\u1ee3c thay \u0111\u1ed5i t\u1eeb x \/ y th\u00e0nh x \/ Y \/ z, trong \u0111\u00f3 \u201cx \/ Y\u201d cho bi\u1ebft tr\u01b0\u1edbc \u0111\u00f3 bi\u1ec3u t\u01b0\u1ee3ng c\u1ee7a c\u1ed5ng tr\u01b0\u1edbc khi t\u00e1ch v\u00e0 \u201cz\u201d bi\u1ec3u th\u1ecb s\u1ed1 c\u1ed5ng k\u1ebft qu\u1ea3 m\u1ed9t l\u00e0n (1,2), v\u00e0 sau \u0111\u00f3 m\u1ed7i c\u1ed5ng v\u1eadt l\u00fd ph\u1ee5 \u0111\u01b0\u1ee3c coi nh\u01b0 m\u1ed9t c\u1ed5ng duy nh\u1ea5t.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/thegioimaychu.vn\/blog\/wp-content\/uploads\/2023\/04\/tgmc-blog-642fede342aa0.png\" alt=\"QM8700 v\u00e0 QM8790 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng theo hai c\u00e1ch trong th\u1ef1c t\u1ebf\" \/><\/p>\n<h3><span id=\"HDR_Network_Adapter\" class=\"ez-toc-section\"><\/span><strong>B\u1ed9 \u0111i\u1ec1u h\u1ee3p m\u1ea1ng HDR<\/strong><\/h3>\n<p>B\u1ed9 \u0111i\u1ec1u h\u1ee3p m\u1ea1ng HDR \u0111a d\u1ea1ng h\u01a1n nhi\u1ec1u so v\u1edbi b\u1ed9 chuy\u1ec3n m\u1ea1ch. B\u1ed9 \u0111i\u1ec1u h\u1ee3p m\u1ea1ng HDR100 h\u1ed7 tr\u1ee3 t\u1ed1c \u0111\u1ed9 truy\u1ec1n 100G. Hai c\u1ed5ng HDR100 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi b\u1ed9 chuy\u1ec3n \u0111\u1ed5i HDR th\u00f4ng qua c\u00e1p 200G \u0111\u1ebfn 2x100G. Kh\u00f4ng gi\u1ed1ng nh\u01b0 card m\u1ea1ng 100G EDR, c\u1ed5ng 100G c\u1ee7a card m\u1ea1ng HDR100 h\u1ed7 tr\u1ee3 c\u1ea3 truy\u1ec1n 4X25G NRZ v\u00e0 2X50G PAM4. HDR NIC h\u1ed7 tr\u1ee3 t\u1ed1c \u0111\u1ed9 truy\u1ec1n 200G v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi b\u1ed9 chuy\u1ec3n m\u1ea1ch th\u00f4ng qua c\u00e1p tr\u1ef1c ti\u1ebfp 200G. Ngo\u00e0i hai t\u1ed1c \u0111\u1ed9 giao di\u1ec7n, b\u1ea1n c\u00f3 th\u1ec3 ch\u1ecdn b\u1ed9 \u0111i\u1ec1u h\u1ee3p m\u1ea1ng m\u1ed9t c\u1ed5ng, hai c\u1ed5ng v\u00e0 PCIe c\u1ee7a t\u1eebng t\u1ed1c \u0111\u1ed9 d\u1ef1a tr\u00ean y\u00eau c\u1ea7u d\u1ecbch v\u1ee5. C\u00e1c m\u1eabu b\u1ed9 \u0111i\u1ec1u h\u1ee3p m\u1ea1ng InfiniBand HDR ph\u1ed5 bi\u1ebfn do FiberMall cung c\u1ea5p nh\u01b0 sau:<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/thegioimaychu.vn\/blog\/wp-content\/uploads\/2023\/04\/tgmc-blog-642fede468955.png\" alt=\"C\u00e1c m\u1eabu b\u1ed9 \u0111i\u1ec1u h\u1ee3p m\u1ea1ng InfiniBand HDR ph\u1ed5 bi\u1ebfn do FiberMall cung c\u1ea5p\" \/><\/p>\n<p>Ki\u1ebfn tr\u00fac m\u1ea1ng InfiniBand r\u1ea5t \u0111\u01a1n gi\u1ea3n, nh\u01b0ng l\u1ef1a ch\u1ecdn gi\u1ea3i ph\u00e1p r\u1ea5t \u0111a d\u1ea1ng. T\u1ef7 l\u1ec7 100G c\u00f3 c\u1ea3 gi\u1ea3i ph\u00e1p 100G EDR v\u00e0 \u200b\u200bgi\u1ea3i ph\u00e1p 100G HDR; 200 t\u1ef7 l\u1ec7 c\u0169ng c\u00f3 hai t\u00f9y ch\u1ecdn HDR v\u00e0 \u200b\u200b200G NDR. B\u1ed9 \u0111i\u1ec1u h\u1ee3p m\u1ea1ng, \u0111\u1ea7u n\u1ed1i v\u00e0 b\u1ed9 chuy\u1ec3n m\u1ea1ch \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c gi\u1ea3i ph\u00e1p kh\u00e1c nhau l\u00e0 kh\u00e1 kh\u00e1c nhau.<\/p>\n<p>V\u1edbi vai tr\u00f2 l\u00e0 \u0111\u1ed1i t\u00e1c NVIDIA c\u1ea5p Elite, Nh\u1ea5t Ti\u1ebfn Chung c\u00f3 th\u1ec3 cung c\u1ea5p \u0111\u1ea7y \u0111\u1ee7 gi\u1ea3i ph\u00e1p InfiniBand \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c nhu c\u1ea7u kh\u00e1c nhau c\u1ee7a kh\u00e1ch h\u00e0ng. C\u00e1c k\u1ef9 s\u01b0 k\u1ef9 thu\u1eadt cao c\u1ea5p c\u1ee7a ch\u00fang t\u00f4i c\u00f3 nhi\u1ec1u kinh nghi\u1ec7m trong tri\u1ec3n khai d\u1ef1 \u00e1n v\u00e0 thi\u1ebft k\u1ebf gi\u1ea3i ph\u00e1p m\u1ea1ng hi\u1ec7u su\u1ea5t cao InfiniBand. Ch\u00fang t\u00f4i c\u0169ng cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p t\u1ed1i \u01b0u cho c\u00e1c t\u00ecnh hu\u1ed1ng \u1ee9ng d\u1ee5ng kh\u00e1c nhau.<\/p>\n<p>C\u00e1c gi\u1ea3i ph\u00e1p danh m\u1ee5c \u0111\u1ea7u t\u01b0 c\u1ee7a ch\u00fang t\u00f4i bao g\u1ed3m m\u00f4-\u0111un quang, b\u1ed9 chuy\u1ec3n \u0111\u1ed5i QM8700\/QM8790, HDR NIC, AOC\/DAC\/m\u00f4-\u0111un quang. Ch\u00fang t\u00f4i cam k\u1ebft cung c\u1ea5p hi\u1ec7u su\u1ea5t si\u00eau vi\u1ec7t v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng, \u0111\u1ed3ng th\u1eddi c\u1ea3i thi\u1ec7n ROI cho HPC, AI v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c v\u1edbi chi ph\u00ed th\u1ea5p h\u01a1n v\u00e0 hi\u1ec7u su\u1ea5t tuy\u1ec7t v\u1eddi.<\/p>\n<p>\u2192 C\u00e1c S\u1ea3n NVIDIA Infiniband Switch hi\u1ec7n \u0111\u00e3 c\u00f3 th\u1ec3 \u0111\u1eb7t h\u00e0ng,\u00a0<a href=\"https:\/\/thegioimaychu.vn\/thiet-bi-mang\/mellanox\/\">vui l\u00f2ng xem chi ti\u1ebft t\u1ea1i \u0111\u00e2y.<\/a><\/p>\n<div>____<br \/><b>B\u00e0i vi\u1ebft li\u00ean quan<\/b><\/div>\n<ul>\n<li><a href=\"https:\/\/thegioimaychu.vn\/blog\/?post_type=post&#038;p=23415\">B\u01b0\u1edbc v\u00e0o k\u1ef7 nguy\u00ean tr\u1ee3 l\u00fd AI c\u00e1 nh\u00e2n &#8211; so s\u00e1nh chi ti\u1ebft NVIDIA RTX Spark v\u00e0 DGX Spark<\/a><\/li>\n<li><a href=\"https:\/\/thegioimaychu.vn\/blog\/?post_type=post&#038;p=23322\">NVIDIA RTX PRO 4500 Blackwell Server Edition: B\u01b0\u1edbc nh\u1ea3y v\u1ecdt t\u1eeb th\u1ebf h\u1ec7 L4 cho h\u1ea1 t\u1ea7ng AI suy lu\u1eadn hi\u1ec7u n\u0103ng cao<\/a><\/li>\n<li><a href=\"https:\/\/thegioimaychu.vn\/blog\/?post_type=post&#038;p=23119\">NVIDIA NGC\u2011ready Low\u2011latency Edge AI: Gi\u1ea3i ph\u00e1p cho Retail, Manufacturing v\u00e0 Smart Cities<\/a><\/li>\n<li><a href=\"https:\/\/thegioimaychu.vn\/blog\/?post_type=post&#038;p=23110\">So s\u00e1nh s\u1ee9c m\u1ea1nh c\u1ee7a m\u00e1y t\u00ednh AI DGX Spark v\u1edbi c\u00e1c card GPU m\u00e1y tr\u1ea1m chuy\u00ean nghi\u1ec7p c\u1ee7a NVIDIA<\/a><\/li>\n<li><a href=\"https:\/\/thegioimaychu.vn\/blog\/?post_type=post&#038;p=22969\">T\u1eeb Orin \u0111\u1ebfn Thor: B\u01b0\u1edbc nh\u1ea3y v\u1ecdt ki\u1ebfn tr\u00fac c\u1ee7a NVIDIA JetPack 7.0 v\u00e0 t\u01b0\u01a1ng lai c\u1ee7a robot h\u00ecnh ng\u01b0\u1eddi<\/a><\/li>\n<li><a href=\"https:\/\/thegioimaychu.vn\/blog\/?post_type=post&#038;p=22887\">T\u1ea1i sao g\u1ecdi NVIDIA DGX Spark l\u00e0 Si\u00eau m\u00e1y t\u00ednh AI c\u00e1 nh\u00e2n?<\/a><\/li>\n<\/ul>\n<\/p>","protected":false},"excerpt":{"rendered":"<p>M&#7841;ng InfiniBand l&agrave; g&igrave;? H&#7879; th&#7889;ng ki&#7871;n tr&uacute;c InfiniBand mang t&iacute;nh h&#7907;p nh&#7845;t c&#7911;a s&#7907;i quang v&agrave;o trung t&acirc;m d&#7919; li&#7879;u l&#432;u tr&#7919;, cung c&#7845;p b&#259;ng th&ocirc;ng cao, &#273;&#7897; tr&#7877; th&#7845;p v&agrave; &#273;&#7897; tin c&#7853;y cao. InfiniBand l&agrave; m&#7897;t c&ocirc;ng ngh&#7879; k&#7871;t n&#7889;i m&#7841;ng ti&ecirc;u chu&#7849;n m&#7903; &#273;&#432;&#7907;c &#273;&#7883;nh ngh&#297;a b&#7903;i IBTA, &#273;&#432;&#7907;c s&#7917; d&#7909;ng&#8230;<\/p>\n","protected":false},"author":17,"featured_media":15574,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[3,162,44],"tags":[7,1363,74,1314],"class_list":["post-15560","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ai-hpc","category-giai-phap","category-product","tag-ai","tag-high-performance-networking","tag-hpc","tag-nvidia"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>M\u1ea1ng InfiniBand l\u00e0 g\u00ec v\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t v\u1edbi Ethernet? - Blog | TheGioiMayChu<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/thegioimaychu.vn\/blog\/giai-phap\/mang-infiniband-la-gi-va-su-khac-biet-voi-ethernet-p15560\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"M\u1ea1ng InfiniBand l\u00e0 g\u00ec v\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t v\u1edbi Ethernet? - Blog | TheGioiMayChu\" \/>\n<meta name=\"twitter:description\" content=\"M&#7841;ng InfiniBand l&agrave; g&igrave;? 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