{"id":5115,"date":"2025-09-11T00:00:00","date_gmt":"2025-09-11T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/what-is-ieee-802-3ba-standard\/"},"modified":"2026-06-22T09:06:00","modified_gmt":"2026-06-22T09:06:00","slug":"what-is-ieee-802-3ba-standard","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/what-is-ieee-802-3ba-standard","title":{"rendered":"Hi\u1ec3u v\u1ec1 ti\u00eau chu\u1ea9n IEEE 802.3ba: Gi\u1ea3i th\u00edch 40GbE v\u00e0 100GbE"},"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\/c07817e45dec4d99923b86dbda116251.webp\" alt=\" IEEE 802.3ba Standard\" class=\"wp-image-5112\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c07817e45dec4d99923b86dbda116251.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c07817e45dec4d99923b86dbda116251-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c07817e45dec4d99923b86dbda116251-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c07817e45dec4d99923b86dbda116251-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c07817e45dec4d99923b86dbda116251-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Gi\u1edbi thi\u1ec7u<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea3n s\u1eeda \u0111\u1ed5i IEEE 802.3ba, \u0111\u01b0\u1ee3c th\u00f4ng qua v\u00e0o <strong>ng\u00e0y 17 th\u00e1ng 6 n\u0103m 2010<\/strong>, gi\u1edbi thi\u1ec7u hai t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u mang t\u00ednh b\u01b0\u1edbc ngo\u1eb7t\u2014<strong>40 Gbps v\u00e0 100 Gbps<\/strong>\u2014trong m\u1ed9t ti\u00eau chu\u1ea9n Ethernet th\u1ed1ng nh\u1ea5t. Ti\u00eau chu\u1ea9n n\u00e0y ra \u0111\u1eddi nh\u1eb1m \u0111\u00e1p \u1ee9ng nhu c\u1ea7u t\u0103ng tr\u01b0\u1edfng nhanh ch\u00f3ng v\u1ec1 t\u1ed5ng h\u1ee3p trung t\u00e2m d\u1eef li\u1ec7u v\u00e0 m\u1ea1ng l\u00f5i, v\u01b0\u1ee3t xa kh\u1ea3 n\u0103ng c\u1ee7a c\u00e1c m\u1ea1ng 10GbE.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ki\u1ebfn tr\u00fac ti\u00eau chu\u1ea9n v\u00e0 nguy\u00ean t\u1eafc thi\u1ebft k\u1ebf<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>Ki\u1ebfn tr\u00fac th\u1ed1ng nh\u1ea5t<\/strong>: Duy tr\u00ec c\u00e1c t\u00ednh n\u0103ng c\u1ed1t l\u00f5i c\u1ee7a Ethernet\u2014c\u00f9ng \u0111\u1ecbnh d\u1ea1ng khung, ho\u1ea1t \u0111\u1ed9ng song c\u00f4ng \u0111\u1ea7y \u0111\u1ee7, s\u1eed d\u1ee5ng l\u1edbp MAC hi\u1ec7n c\u00f3 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch ng\u01b0\u1ee3c.<\/p><\/li>\n\n\n\n<li><p><strong>C\u00e1c t\u1ea7ng v\u1eadt l\u00fd (PHY)<\/strong>: \u0110\u1ecbnh ngh\u0129a nhi\u1ec1u t\u00f9y ch\u1ecdn tr\u00ean c\u00e1c lo\u1ea1i ph\u01b0\u01a1ng ti\u1ec7n\u2014<a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/smf-optical-transceiver-vs-mmf-optical-transceiver-guide\/\" target=\"_blank\" rel=\"\">s\u1ee3i quang \u0111\u01a1n ch\u1ebf \u0111\u1ed9, s\u1ee3i quang \u0111a ch\u1ebf \u0111\u1ed9<\/a>, c\u00e1p \u0111\u1ed3ng \u0111\u00f4i xo\u1eafn (twinax) v\u00e0 li\u00ean k\u1ebft m\u1eb7t ph\u1eb3ng sau (backplane).<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Ph\u01b0\u01a1ng ti\u1ec7n PHY v\u00e0 kh\u1ea3 n\u0103ng \u0111\u1ea1t \u0111\u01b0\u1ee3c kho\u1ea3ng c\u00e1ch<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c lo\u1ea1i PHY \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 ch\u00ednh c\u00f9ng ph\u1ea1m vi ho\u1ea1t \u0111\u1ed9ng bao g\u1ed3m:<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"width: 213px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\" colwidth=\"213\"><p>Lo\u1ea1i ph\u01b0\u01a1ng ti\u1ec7n<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>PHY 40GbE (C\u00e1c v\u00ed d\u1ee5)<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>PHY 100GbE (C\u00e1c v\u00ed d\u1ee5)<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"213\"><p>M\u1eb7t ph\u1eb3ng sau (Backplane)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>40GBASE-KR4 (\u2265 1 m)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u2014<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"213\"><p>C\u00e1p \u0111\u1ed3ng \u0111\u00f4i xo\u1eafn (twinax)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>40GBASE-CR4 (\u2264 7 m)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>100GBASE-CR10 (\u2264 7 m)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"213\"><p>S\u1ee3i quang \u0111a ch\u1ebf \u0111\u1ed9 (OM3)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>40GBASE-SR4 (\u2265 100 m)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>100GBASE-SR10 (\u2265 100 m)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"213\"><p>S\u1ee3i quang \u0111a ch\u1ebf \u0111\u1ed9 (OM4)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>(L\u00ean \u0111\u1ebfn \u2265 150 m)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>(L\u00ean \u0111\u1ebfn \u2265 150 m)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"213\"><p>What Does SFP Stand For?<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/482487.htm\">40GBASE-LR4<\/a> (\u2265 10 km)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/488452.htm\">100GBASE-LR4<\/a> (\u2265 10 km); <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/482592.htm\">100GBASE-ER4<\/a> (\u2265 40 km) <\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c t\u00f9y ch\u1ecdn PHY n\u00e0y \u0111\u1ea3m b\u1ea3o tri\u1ec3n khai linh ho\u1ea1t trong c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u, m\u1ea1ng doanh nghi\u1ec7p v\u00e0 m\u1ea1ng l\u00f5i c\u1ee7a nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"721\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3426d25714404c1993f09e9f21abe054.webp\" alt=\"IEEE 802.3ba Standard for 40GbE &amp; 100GbE\" class=\"wp-image-3341\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3426d25714404c1993f09e9f21abe054.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3426d25714404c1993f09e9f21abe054-300x180.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3426d25714404c1993f09e9f21abe054-1024x615.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3426d25714404c1993f09e9f21abe054-768x461.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3426d25714404c1993f09e9f21abe054-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Ph\u00e2n ph\u1ed1i l\u00e0n d\u1eef li\u1ec7u v\u00e0 m\u00e3 h\u00f3a<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ti\u00eau chu\u1ea9n s\u1eed d\u1ee5ng c\u1ea5u tr\u00fac nhi\u1ec1u l\u00e0n:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>40GbE<\/strong>: s\u1eed d\u1ee5ng 4 l\u00e0n song song.<\/p><\/li>\n\n\n\n<li><p><strong>100GbE<\/strong>: s\u1eed d\u1ee5ng t\u1ed1i \u0111a 10 l\u00e0n.<br>M\u00e3 h\u00f3a s\u1eed d\u1ee5ng <strong>m\u00e3 h\u00f3a \u0111\u01b0\u1eddng truy\u1ec1n 64b\/66b<\/strong> (BASE-R), v\u1edbi l\u1edbp PCS ph\u00e2n ph\u1ed1i d\u1eef li\u1ec7u tr\u00ean c\u00e1c l\u00e0n v\u00e0 c\u0103n ch\u1ec9nh \u0111\u1ec3 kh\u1eed l\u1ec7ch th\u1eddi gian (deskewing).<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">V\u00ec sao ti\u00eau chu\u1ea9n n\u00e0y quan tr\u1ecdng: T\u00e1c \u0111\u1ed9ng v\u00e0 c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>B\u0103ng th\u00f4ng m\u1edf r\u1ed9ng quy m\u00f4<\/strong>: Cung c\u1ea5p b\u01b0\u1edbc nh\u1ea3y v\u1ecdt l\u1edbn so v\u1edbi 10GbE, r\u1ea5t ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng x\u1eed l\u00fd kh\u1ed1i l\u01b0\u1ee3ng d\u1eef li\u1ec7u l\u1edbn v\u00e0 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y.<\/p><\/li>\n\n\n\n<li><p><strong>Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch trong ng\u00e0nh<\/strong>: Ph\u00f9 h\u1ee3p v\u1edbi h\u1ec7 sinh th\u00e1i Ethernet hi\u1ec7n c\u00f3, cho ph\u00e9p n\u00e2ng c\u1ea5p m\u1ed9t c\u00e1ch li\u1ec1n m\u1ea1ch.<\/p><\/li>\n\n\n\n<li><p><strong>Tri\u1ec3n khai theo m\u00f4-\u0111un<\/strong>: H\u1ed7 tr\u1ee3 nhi\u1ec1u lo\u1ea1i ph\u01b0\u01a1ng ti\u1ec7n v\u00e0 \u0111\u1ea7u n\u1ed1i, t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho c\u00e1c m\u00f4i tr\u01b0\u1eddng v\u00e0 thi\u1ebft k\u1ebf ph\u1ea7n c\u1ee9ng \u0111a d\u1ea1ng.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c module quang h\u1ecdc 40G QSFP+ c\u1ee7a LINK-PP<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"608\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/106002b8f3c14eed8fe77adaaeb1e16d-1024x608.webp\" alt=\"LINK-PP\u2019s 40G QSFP+ Modules\" class=\"wp-image-5113\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/106002b8f3c14eed8fe77adaaeb1e16d-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/106002b8f3c14eed8fe77adaaeb1e16d-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/106002b8f3c14eed8fe77adaaeb1e16d-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/106002b8f3c14eed8fe77adaaeb1e16d-18x12.webp 18w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/106002b8f3c14eed8fe77adaaeb1e16d.webp 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">LINK-PP cung c\u1ea5p <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26153-40g-qsfp.htm\">c\u00e1c module quang h\u1ecdc 40G QSFP+<\/a> \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c \u0111\u1eb7c t\u1ea3 c\u1ee7a IEEE 802.3ba. M\u1eb7c d\u00f9 trang s\u1ea3n ph\u1ea9m kh\u00f4ng n\u00eau chi ti\u1ebft c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee5 th\u1ec3, c\u00e1c module QSFP+ v\u1ed1n d\u0129 h\u1ed7 tr\u1ee3 c\u00e1c ti\u00eau chu\u1ea9n nh\u01b0 40GBASE-SR4, 40GBASE-LR4 v\u00e0 40GBASE-ER4\u2014nh\u1eefng PHY ph\u1ed5 bi\u1ebfn do IEEE 802.3ba \u0111\u1ecbnh ngh\u0129a. Do \u0111\u00f3, c\u00e1c module n\u00e0y t\u00edch h\u1ee3p li\u1ec1n m\u1ea1ch v\u00e0o c\u00e1c tri\u1ec3n khai trung t\u00e2m d\u1eef li\u1ec7u v\u00e0 m\u1ea1ng m\u1eadt \u0111\u1ed9 cao d\u1ef1a tr\u00ean 40GbE\u2014m\u1ed9t l\u1ef1a ch\u1ecdn ho\u00e0n h\u1ea3o cho c\u00e1c m\u00f4i tr\u01b0\u1eddng \u0111\u00f2i h\u1ecfi \u0111\u1ed9 tin c\u1eady, kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u00e0 hi\u1ec7u n\u0103ng.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">K\u1ebft lu\u1eadn<\/h2>\n\n\n\n<p class=\"has-text-align-left wp-block-paragraph\">The <strong>ti\u00eau chu\u1ea9n IEEE 802.3ba<\/strong>, \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u v\u00e0o <strong>2010<\/strong>, \u0111\u00e1nh d\u1ea5u b\u01b0\u1edbc chuy\u1ec3n mang t\u00ednh then ch\u1ed1t sang <strong>40GbE v\u00e0 100GbE<\/strong>, cung c\u1ea5p Ethernet b\u0103ng th\u00f4ng cao v\u00e0 linh ho\u1ea1t tr\u00ean nhi\u1ec1u lo\u1ea1i ph\u01b0\u01a1ng ti\u1ec7n. <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26153-40g-qsfp.htm?ca=1455&amp;cv=8050\">C\u00e1c module 40G QSFP+ c\u1ee7a LINK-PP<\/a> cung c\u1ea5p ph\u1ea7n c\u1ee9ng th\u1ef1c t\u1ebf, tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi s\u1ef1 ti\u1ebfn h\u00f3a n\u00e0y\u2014l\u00fd t\u01b0\u1edfng cho c\u00e1c c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng m\u1ea1ng h\u01b0\u1edbng t\u1edbi t\u01b0\u01a1ng lai.<\/p>","protected":false},"excerpt":{"rendered":"<p>Explore the IEEE 802.3ba standard\u2014defining both 40GbE &#038; 100GbE\u2014its technical design and applications, plus how LINK-PP\u2019s 40G QSFP+ modules align perfectly with this high-speed Ethernet evolution.<\/p>","protected":false},"author":1,"featured_media":5114,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[26],"class_list":["post-5115","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\/5115","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=5115"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/5115\/revisions"}],"predecessor-version":[{"id":11376,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/5115\/revisions\/11376"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/5114"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=5115"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=5115"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=5115"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}