{"id":5288,"date":"2025-08-30T00:00:00","date_gmt":"2025-08-30T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/sff-8636-vs-cmis-qsfp-modules-management-interfaces\/"},"modified":"2026-06-22T09:07:06","modified_gmt":"2026-06-22T09:07:06","slug":"sff-8636-vs-cmis-qsfp-modules-management-interfaces","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/fr\/knowledge-center\/sff-8636-vs-cmis-qsfp-modules-management-interfaces","title":{"rendered":"SFF-8636 contre CMIS : \u00e9volution des interfaces de gestion pour les modules QSFP"},"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\/572c054c2a5746b08b5773dd4f54a0e1.webp\" alt=\"SFF-8636 vs. CMIS\" class=\"wp-image-5287\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/572c054c2a5746b08b5773dd4f54a0e1.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/572c054c2a5746b08b5773dd4f54a0e1-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/572c054c2a5746b08b5773dd4f54a0e1-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/572c054c2a5746b08b5773dd4f54a0e1-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/572c054c2a5746b08b5773dd4f54a0e1-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" ><span style=\"color: rgb(9, 12, 30);\">\ud83d\udd39 <\/span>Introduction<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Dans le paysage en constante \u00e9volution des transceivers optiques, les interfaces de gestion jouent un r\u00f4le crucial pour permettre l\u2019interop\u00e9rabilit\u00e9, la surveillance et la configuration des modules haute vitesse. Deux normes cl\u00e9s ont fa\u00e7onn\u00e9 ce domaine : <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/fr\/knowledge-center\/sff-8636-standard-qsfp-qsfp28-management-interface-guide\/\"><strong>SFF-8636<\/strong><\/a>, qui d\u00e9finissait l\u2019interface de gestion pour les premiers modules QSFP, et <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/fr\/knowledge-center\/cmis-common-management-interface-specification\/\"><strong>CMIS<\/strong><\/a><strong> (sp\u00e9cification commune d\u2019interface de gestion)<\/strong>, con\u00e7ue pour les transceivers haute vitesse de nouvelle g\u00e9n\u00e9ration. Cet article explore leurs diff\u00e9rences, leur champ d\u2019application et la transition de SFF-8636 vers CMIS.<\/p>\n\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n\n<h2 class=\"wp-block-heading\" ><span style=\"color: rgb(9, 12, 30);\">\ud83d\udd39 <\/span>Qu\u2019est-ce que SFF-8636 ?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">SFF-8636 est une sp\u00e9cification d\u00e9finissant l\u2019interface de gestion pour les transceivers QSFP, bas\u00e9e sur le protocole de communication I\u00b2C. Elle \u00e9tablit :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>des cartes m\u00e9moire et des registres<\/p><\/li><li><p>Surveillance num\u00e9rique des diagnostics (DDM\/DOM)<\/p><\/li><li><p>l\u2019identification du module et la transmission de son \u00e9tat<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >Applications :<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/482754.htm\"><strong>QSFP+ (40 G)<\/strong><\/a><\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/488423.htm\"><strong>QSFP28 (100 G<\/strong><\/a><strong>)<\/strong><\/p><\/li><li><p><strong>Pr\u00e9coce <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/472016.htm\"><strong>QSFP-DD<\/strong><\/a><strong> (200 G\/400 G)<\/strong> les modules ont \u00e9galement adopt\u00e9 SFF-8636 pour assurer la compatibilit\u00e9 ascendante.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">SFF-8636 a \u00e9t\u00e9 fondamentale pour la normalisation de la gestion des modules QSFP, mais \u00e0 mesure que les d\u00e9bits augmentaient, ses limites sont devenues \u00e9videntes.<\/p>\n\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n\n<h2 class=\"wp-block-heading\" ><span style=\"color: rgb(9, 12, 30);\">\ud83d\udd39 <\/span>Qu\u2019est-ce que CMIS ?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>CMIS (sp\u00e9cification commune d\u2019interface de gestion)<\/strong>, d\u00e9velopp\u00e9e par l\u2019OIF et des partenaires industriels, constitue la nouvelle norme con\u00e7ue pour r\u00e9pondre \u00e0 la complexit\u00e9 des modules optiques haute vitesse modernes. CMIS s\u2019appuie sur les bases de SFF-8636 tout en introduisant des fonctionnalit\u00e9s am\u00e9lior\u00e9es telles que :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>prise en charge multi-h\u00f4te et multi-canal<\/p><\/li><li><p>configuration flexible des applications<\/p><\/li><li><p>diagnostics avanc\u00e9s et gestion des pannes<\/p><\/li><li><p>\u00e9volutivit\u00e9 pour les modules <strong>200G, 400G, 800G et futurs modules 1,6 T<\/strong><\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >Applications :<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>QSFP-DD<\/strong> (200 G\/400 G)<\/p><\/li><li><p><strong>OSFP<\/strong> (400 G\/800 G)<\/p><\/li><li><p><strong>COBO<\/strong> et autres facteurs de forme \u00e9mergents<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Aujourd\u2019hui, la plupart des <strong>modules 400G et 800G adoptent <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/fr\/knowledge-center\/cmis-common-management-interface-specification\/\"><strong>CMIS<\/strong><\/a><strong> comme interface de gestion de facto<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n\n<h2 class=\"wp-block-heading\" ><span style=\"color: rgb(9, 12, 30);\">\ud83d\udd39 <\/span>Principales diff\u00e9rences : SFF-8636 contre CMIS<\/h2>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"width: 204px;\"\/><col style=\"width: 264px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\" colwidth=\"204\"><p>Fonctionnalit\u00e9<\/p><\/th><th colspan=\"1\" rowspan=\"1\" colwidth=\"264\"><p><strong>SFF-8636<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>CMIS<\/strong><\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"204\"><p>Origine<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"264\"><p>gestion des modules QSFP\/QSFP28<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>sp\u00e9cification unifi\u00e9e de nouvelle g\u00e9n\u00e9ration<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"204\"><p>Modules pris en charge<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"264\"><p>QSFP+, QSFP28, premiers QSFP-DD<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>QSFP-DD, OSFP, COBO<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"204\"><p>D\u00e9bits de donn\u00e9es<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"264\"><p>40G \/ 100G (certains 200G\/400G)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>200G \/ 400G \/ 800G \/ 1,6 T+<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"204\"><p>Souplesse<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"264\"><p>surveillance et identification de base<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>multi-d\u00e9bit, multi-application<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"204\"><p>Diagnostic<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"264\"><p>DDM\/DOM standard<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>isolement avanc\u00e9 des pannes, surveillance<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n\n<h2 class=\"wp-block-heading\" ><span style=\"color: rgb(9, 12, 30);\">\ud83d\udd39 <\/span>Chronologie de l\u2019\u00e9volution<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>\u00c8re 40G\/100G (QSFP+, QSFP28) :<\/strong> SFF-8636 comme norme industrielle.<\/p><\/li><li><p><strong>Premiers 200G\/400G (QSFP-DD) :<\/strong> compatibilit\u00e9 ascendante avec SFF-8636.<\/p><\/li><li><p><strong>400G\/800G modernes (QSFP-DD, OSFP) :<\/strong> transition vers CMIS comme norme unifi\u00e9e.<\/p><\/li><li><p><strong>Futur 1,6 T et au-del\u00e0 :<\/strong> CMIS demeure l\u2019interface \u00e9volutive.<\/p><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n\n<h2 class=\"wp-block-heading\" ><span style=\"color: rgb(9, 12, 30);\">\ud83d\udd39 <\/span>Le r\u00f4le de LINK-PP dans les r\u00e9seaux haute vitesse<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Chez LINK-PP, nous proposons un large portefeuille de transceivers optiques et de solutions d\u2019interconnexion con\u00e7ues pour r\u00e9pondre aux exigences des normes h\u00e9rit\u00e9es et de nouvelle g\u00e9n\u00e9ration :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/473115.htm\"><strong>modules QSFP28 100G<\/strong><\/a> enti\u00e8rement conformes \u00e0 l\u2019interface de gestion SFF-8636.<\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/470377.htm\"><strong>modules QSFP-DD 400G<\/strong><\/a><strong> et modules OSFP<\/strong> prenant en charge CMIS, garantissant ainsi leur compatibilit\u00e9 avec les d\u00e9ploiements modernes de centres de donn\u00e9es.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Nos produits offrent <strong>une fiabilit\u00e9 \u00e9lev\u00e9e, une compatibilit\u00e9 \u00e9tendue et une excellente valeur<\/strong>, aidant les centres de donn\u00e9es et les fournisseurs de t\u00e9l\u00e9communications \u00e0 d\u00e9velopper efficacement leurs r\u00e9seaux.<\/p>\n\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n\n<h2 class=\"wp-block-heading\" ><span style=\"color: rgb(9, 12, 30);\">\ud83d\udd39 <\/span>Conclusion<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La transition de <strong>SFF-8636 \u00e0 CMIS<\/strong> marque une \u00e9tape importante dans l\u2019\u00e9volution des interfaces de gestion des modules optiques. Bien que SFF-8636 reste essentielle pour les modules 40G\/100G, CMIS s\u2019est impos\u00e9e comme la nouvelle norme industrielle pour les modules 200G, 400G, 800G et au-del\u00e0. Ce changement assure la flexibilit\u00e9, l\u2019\u00e9volutivit\u00e9 et les diagnostics avanc\u00e9s indispensables aux centres de donn\u00e9es hyperscalables.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour les entreprises et les op\u00e9rateurs r\u00e9seau, la compr\u00e9hension de ces normes est essentielle afin de planifier des infrastructures pr\u00eates pour l\u2019avenir. <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26044-200-400-800g-transceiver-modules.htm\">La gamme de produits LINK-PP<\/a> prend en charge les deux normes, assurant la transition entre les syst\u00e8mes h\u00e9rit\u00e9s et les d\u00e9ploiements de nouvelle g\u00e9n\u00e9ration.<\/p>","protected":false},"excerpt":{"rendered":"<p>D\u00e9couvrez les diff\u00e9rences entre les normes d\u2019interface de gestion SFF-8636 et CMIS, deux standards cl\u00e9s qui fa\u00e7onnent les modules optiques QSFP destin\u00e9s aux centres de donn\u00e9es et aux r\u00e9seaux.<\/p>","protected":false},"author":1,"featured_media":5287,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[26],"class_list":["post-5288","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\/fr\/wp-json\/wp\/v2\/posts\/5288","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/resourceslp.szlogic.cn\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/resourceslp.szlogic.cn\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/fr\/wp-json\/wp\/v2\/comments?post=5288"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/fr\/wp-json\/wp\/v2\/posts\/5288\/revisions"}],"predecessor-version":[{"id":11383,"href":"https:\/\/resourceslp.szlogic.cn\/fr\/wp-json\/wp\/v2\/posts\/5288\/revisions\/11383"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/fr\/wp-json\/wp\/v2\/media\/5287"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/fr\/wp-json\/wp\/v2\/media?parent=5288"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/fr\/wp-json\/wp\/v2\/categories?post=5288"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/fr\/wp-json\/wp\/v2\/tags?post=5288"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}