{"id":4545,"date":"2025-10-31T11:12:00","date_gmt":"2025-10-31T11:12:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/25gbase-ieee-802-3by-single-lane-25gbe-standard\/"},"modified":"2026-06-22T05:43:36","modified_gmt":"2026-06-22T05:43:36","slug":"25gbase-ieee-802-3by-single-lane-25gbe-standard","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/nl\/knowledge-center\/25gbase-ieee-802-3by-single-lane-25gbe-standard","title":{"rendered":"25GBASE IEEE 802.3by: De single-lane 25 Gb Ethernet-standaard"},"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\/ca1377e01de94208976debf546751df0.webp\" alt=\"What Is IEEE 802.3by?\" class=\"wp-image-4542\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ca1377e01de94208976debf546751df0.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ca1377e01de94208976debf546751df0-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ca1377e01de94208976debf546751df0-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ca1377e01de94208976debf546751df0-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ca1377e01de94208976debf546751df0-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">De explosie van cloudservices, virtualisatie, AI-workloads en high-density serverimplementaties heeft datacenters gedwongen snellere, effici\u00ebntere Ethernet-technologie\u00ebn na te streven. Om de kloof tussen 10 GbE en de kostbare 40\/100 GbE te overbruggen, introduceerde de IEEE <strong>IEEE 802.3by<\/strong>, die een <strong>single-lane 25 Gb\/s Ethernet fysieke laag definieert<\/strong>, algemeen bekend als <strong>25GBASE<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In dit artikel wordt uitgelegd wat IEEE 802.3by is, waarom het belangrijk is en hoe het schaalbare 25 GbE-implementaties mogelijk maakt \u2014 evenals hoe <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26225-25g-sfp28.htm\">LINK-PP\u2019s SFP28-modules<\/a> dit ecosysteem ondersteunen.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udd39 Wat is IEEE 802.3by?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">IEEE 802.3by is een aanvulling op de IEEE 802.3-Ethernetstandaard die de specificaties definieert voor <strong>25 Gigabit Ethernet over \u00e9\u00e9n elektrische lane<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Het standaardiseert 25 Gb\/s-transmissie over:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>direct-aangesloten koperen (<a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/nl\/knowledge-center\/what-is-breakout-dac-and-why-breakout-dac-matters\/\">DAC<br><\/a>) kabels<\/p><\/li><li><p>backplane-kanalen<\/p><\/li><li><p>Multimodevezel<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Doelstelling: een eenvoudig, kosteneffectief en high-density upgradepad bieden van 10G naar 25G, met name voor verbindingen tussen datacenter-servers en leaf-switches.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udd39 Waarom is 25GBASE ontwikkeld?<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >Efficiency van \u00e9\u00e9n lane<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Eerdere 40GbE-koppelingen gebruikten <strong>4 \u00d7 10 Gb\/s-kanaal<\/strong>. In tegenstelling thereto gebruikt 25GBASE <strong>1 \u00d7 25 Gb\/s-kanaal<\/strong>, wat oplevert:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Hogere bandbreedte per lane<\/p><\/li><li><p>Lager stroomverbruik<\/p><\/li><li><p>Lagere kosten per poort<\/p><\/li><li><p>Eenvoudiger bekabeling en optica<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >Perfecte stap omhoog vanaf 10G<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">25 Gb\/s levert <strong>2,5\u00d7 de bandbreedte van 10 Gb\/s<\/strong> met slechts een geringe stijging in stroomverbruik en kosten \u2014 ideaal voor high-density server-I\/O.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Schaalbaar pad naar 50\/100 GbE<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">25G vormt het bouwsteen voor:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>50G Ethernet (2 \u00d7 25G-kanaal)<\/p><\/li><li><p>100G Ethernet (<a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/472118.htm\">4 \u00d7 25G-kanaal<\/a>)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Het is een fundamentele snelheid in moderne datacenter-fabrics.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udd39 Belangrijke technische kenmerken van 25GBASE (IEEE 802.3by)<\/h2>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"width: 303px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\" colwidth=\"303\"><p>Eigenschap<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>Beschrijving<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"303\"><p>Lijnsnelheid<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>25 Gb\/s per lane<br><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"303\"><p>Codeering<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>64b\/66b<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"303\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/nl\/glossary\/fec-forward-error-correction-in-optical-communication\/\">FEC<\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Optionele RS-FEC<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"303\"><p>Medium<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Koper, backplane, multimodevezel<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"303\"><p>Moduleformaat<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>SFP28<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"303\"><p>Doelgebruik<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Server-naar-switch-interconnects<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udd39 Varianten van de 25GBASE-interface<\/h2>\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>Standaard<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>Medium<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>Toepassing<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>25GBASE-CR \/ CR-S<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Twinax-koper DAC<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Kortbereikverbindingen binnen racks (1\u20135 m)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>25GBASE-KR \/ KR-S<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Backplane<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Backplaneverbindingen voor servers\/linecards<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/476099.htm\">25GBASE-SR<\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Multimodevezel<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Tot ca. 100 m op OM4-vezel<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/476046.htm\">25GBASE-LR<\/a>*<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Enkelmodige vezel<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>~10 km (*gedefinieerd in latere amendementen)<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udd39 Typische implementatiescenario\u2019s<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >Datacenter Leaf-Spine-netwerken<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">25GBASE helpt exploitanten bij het schalen van east-west-verkeer terwijl infrastructuurkosten en footprint onder controle blijven.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Server-naar-Top-of-Rack (ToR)-verbindingen<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Servers met 25G NIC\u2019s verbinden zich met ToR-switches via SFP28-optica of DAC-kabels.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Aggregatie en <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/nl\/knowledge-center\/what-you-need-to-know-about-edge-computing-key-benefits-uses\/\">Edge-computing<\/a><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">25G-compatibele uplinks bieden de juiste balans tussen doorvoer en kosten, vooral in edge- en AI-klaar architecturen.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udd39 Aanbevolen procedures voor de implementatie van 25GBASE<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >Kies het juiste medium<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>1\u20135 m:<\/strong> DAC-koper (25GBASE-CR)<\/p><\/li><li><p><strong>Tot ca. 100 m:<\/strong> Multimodevezel (25GBASE-SR + OM4)<\/p><\/li><li><p><strong>Campus\/langbereik:<\/strong> Enkelmodusvezel (25GBASE-LR of latere specificaties)<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >Valideer hardware-interoperabiliteit<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Zorg ervoor dat switches, NIC\u2019s en <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26225-25g-sfp28.htm\">optische modules<\/a> allemaal voldoen aan IEEE 802.3by.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Houd rekening met FEC-eisen<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Schakel RS-FEC in wanneer de linkmarge of EMC-omgeving extra robuustheid vereist.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udd39 SFP28-modules en LINK-PP-oplossingen<\/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\/dbd37648365f4364bc8c6a1ec2ef4a77.webp\" alt=\"LINK-PP SFP28 Modules\" class=\"wp-image-4543\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/dbd37648365f4364bc8c6a1ec2ef4a77.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/dbd37648365f4364bc8c6a1ec2ef4a77-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/dbd37648365f4364bc8c6a1ec2ef4a77-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/dbd37648365f4364bc8c6a1ec2ef4a77-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/dbd37648365f4364bc8c6a1ec2ef4a77-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">De primaire vormfactor voor 25GBASE is <strong>SFP28<\/strong> \u2014 mechanisch vergelijkbaar met SFP+, maar met verbeterde elektrische specificaties voor 25 Gb\/s-signaling.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">LINK-PP biedt <strong>IEEE 802.3by-gealigneerde 25G SFP28-optische modules en DAC-kabels<\/strong> voor high-density datacenterimplementaties:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd17<a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26225-25g-sfp28.htm\"><strong>LINK-PP 25G SFP28-transceivers<\/strong><\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Belangrijkste voordelen van LINK-PP 25G-modules:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Lage latentie en hoge stabiliteit van de verbinding<\/p><\/li><li><p>OEM-niveau compatibiliteit met grote switchmerken<\/p><\/li><li><p>Bewezen betrouwbaarheid voor hyperscale- en enterprise-datacenters<\/p><\/li><li><p>Concurrerende prijzen voor grootschalige implementaties<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udd39 Samenvatting<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">De IEEE 802.3by-standaard maakt <strong>effici\u00ebnte, schaalbare, single-lane 25 GbE<\/strong> implementatie mogelijk \u2014 nu een kerntechnologie in moderne datacenters. Met eenvoudige bekabeling, sterke achterwaartse compatibiliteit met 10G en toekomstgerichte schaalbaarheid naar 50\/100G en 25GBASE is 25GBASE een essenti\u00eble tussentap in de netwerkevolutie.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Voor engineers en planners die overstappen naar 25 GbE, <strong>LINK-PP <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/476046.htm\"><strong>SFP28-modules<\/strong><\/a><strong> en <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26454-dac-aoc-aec-cables.htm\"><strong>DAC-oplossingen<\/strong><\/a> bieden betrouwbare, kostengeoptimaliseerde connectiviteit die aansluit bij de IEEE 802.3by-specificaties.<\/p>","protected":false},"excerpt":{"rendered":"<p>Verken de IEEE 802.3by-standaard voor 25GBASE Ethernet. Leer over specificaties, mediatypen, toepassingsscenario\u2019s en hoe LINK-PP SFP28-modules betrouwbare 25GbE-netwerken ondersteunen.<\/p>","protected":false},"author":1,"featured_media":4544,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[16,26],"class_list":["post-4545","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-center","tag-link-pp-25g-sfp28-optical-modules","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/nl\/wp-json\/wp\/v2\/posts\/4545","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/resourceslp.szlogic.cn\/nl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/resourceslp.szlogic.cn\/nl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/nl\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/nl\/wp-json\/wp\/v2\/comments?post=4545"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/nl\/wp-json\/wp\/v2\/posts\/4545\/revisions"}],"predecessor-version":[{"id":10951,"href":"https:\/\/resourceslp.szlogic.cn\/nl\/wp-json\/wp\/v2\/posts\/4545\/revisions\/10951"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/nl\/wp-json\/wp\/v2\/media\/4544"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/nl\/wp-json\/wp\/v2\/media?parent=4545"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/nl\/wp-json\/wp\/v2\/categories?post=4545"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/nl\/wp-json\/wp\/v2\/tags?post=4545"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}