{"id":4880,"date":"2024-02-05T09:48:02","date_gmt":"2024-02-05T08:48:02","guid":{"rendered":"https:\/\/www.cailabs.com\/case-studies\/cerema-ibm-france\/"},"modified":"2025-03-24T10:02:08","modified_gmt":"2025-03-24T09:02:08","slug":"cerema-ibm-france","status":"publish","type":"case-study","link":"https:\/\/www.cailabs.com\/fr\/etudes-de-cas\/reseaux-fibres\/cerema-ibm-france\/","title":{"rendered":"AROONA pour un LAN \u00e9cologique au service des \u00e9tablissements publics"},"content":{"rendered":"\n<h3 class=\"wp-block-heading\"><strong>La probl\u00e9matique du client<\/strong><\/h3>\n\n\n\n<p>Le CEREMA a souhait\u00e9 r\u00e9nover son LAN vers une architecture innovante et \u00e9co-responsable, tout en r\u00e9utilisant le c\u00e2blage multimode existant et en minimisant la nuisance pour les collaborateurs.<\/p>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-f0342b05 wp-block-columns-is-layout-flex\" style=\"margin-top:0;margin-bottom:0\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<h5 class=\"wp-block-heading\"><strong>La solution AROONA<\/strong><\/h5>\n\n\n\n<p>Gr\u00e2ce au splitter&nbsp;AROONA&nbsp;de Cailabs, IBM a pu proposer l\u2019installation d\u2019une architecture Passive Optical LAN avec des \u00e9quipements GPON sur les rocades multimodes existantes, sans aucun rec\u00e2blage.<\/p>\n\n\n\n<p>AROONA se pr\u00e9sente comme la solution id\u00e9ale car elle permet de r\u00e9duire les co\u00fbts et de limiter la consommation d\u2019\u00e9nergie. L\u2019installation se fait sans interruption de service.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<h5 class=\"wp-block-heading\"><strong>Les b\u00e9n\u00e9fices de la solution<\/strong><\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li>37% de r\u00e9duction des co\u00fbts lors de la migration vers le POL sans rec\u00e2blage<\/li>\n\n\n\n<li>3 heures d\u2019installation des \u00e9quipements AROONA<\/li>\n\n\n\n<li>Pas d\u2019interruption de l\u2019activit\u00e9 durant l\u2019installation<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<h5 class=\"wp-block-heading\">Un LAN innovant et \u00e9cologique<\/h5>\n\n\n\n<p>Le&nbsp;<a href=\"https:\/\/www.cerema.fr\/fr\" target=\"_blank\" rel=\"noreferrer noopener\">CEREMA<\/a>&nbsp;est un centre de ressources scientifiques et techniques dans le domaine du d\u00e9veloppement durable, du d\u00e9veloppement urbain et du transport.<\/p>\n\n\n\n<p>Rattach\u00e9 au minist\u00e8re du d\u00e9veloppement durable, le CEREMA emploie 3000 personnes dans 8 villes fran\u00e7aises.<\/p>\n\n\n\n<p>La direction M\u00e9diterran\u00e9e du CEREMA a souhait\u00e9 moderniser son r\u00e9seau pour le rendre plus puissant afin de permettre \u00e0 tous ses collaborateurs, quel que soit leur lieu de travail, d\u2019acc\u00e9der \u00e0 des fichiers gourmands en bande passante et de les partager.<\/p>\n\n\n\n<p>La lenteur du r\u00e9seau avait un r\u00e9el impact sur la productivit\u00e9.<\/p>\n\n\n\n<p>Le CEREMA voulait imp\u00e9rativement limiter les travaux g\u00eanants pour les employ\u00e9s et se diriger vers une solution r\u00e9duisant la consommation \u00e9nerg\u00e9tique dans un souci \u00e9co-responsable.<\/p>\n\n\n\n<p>Elle souhaitait \u00e9galement une solution r\u00e9alisable avec un budget pr\u00e9cis.<\/p>\n\n\n\n<p><em>\u00ab Nous avons souhait\u00e9 mettre en \u0153uvre une solution innovante dans une d\u00e9marche \u00e9co-responsable. La facilit\u00e9 de mise en \u0153uvre de la solution GPON avec AROONA et l\u2019aisance d\u2019exploitation nous ont s\u00e9duits. \u00bb<\/em><\/p>\n\n\n\n<p><strong>Gil Romand, DSI au CEREMA<\/strong><\/p>\n\n\n\n<p>IBM a propos\u00e9 au CEREMA la solution du Passive Optical LAN, bas\u00e9e sur la technologie GPON pour les r\u00e9seaux d\u2019acc\u00e8s. Cette architecture permet d\u2019apporter du haut d\u00e9bit par fibre optique tout en r\u00e9duisant les \u00e9l\u00e9ments actifs et en simplifiant la gestion du r\u00e9seau.<\/p>\n\n\n\n<p>Elle p\u00e9rennise le r\u00e9seau et en r\u00e9duit les co\u00fbts op\u00e9rationnels et \u00e9nerg\u00e9tiques.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">Le POL sans rec\u00e2blage<\/h5>\n\n\n\n<p>Une installation standard de POL n\u00e9cessite le rec\u00e2blage en fibres monomodes de tous les b\u00e2timents, mais le CEREMA avait r\u00e9cemment rec\u00e2bl\u00e9 certains b\u00e2timents en fibres multimodes et souhaitait minimiser le d\u00e9rangement lors de la r\u00e9novation du LAN.<\/p>\n\n\n\n<p>Afin de r\u00e9utiliser l\u2019infrastructure r\u00e9cente existante et de r\u00e9duire les travaux, IBM a accompagn\u00e9 sa solution du splitter AROONA de Cailabs. Ce bo\u00eetier passif permet d\u2019<em>utiliser les \u00e9quipements GPON sur des fibres multimodes existantes<\/em>. A l\u2019aide d\u2019un terminal ONT 24 ports, les liaisons cuivre existantes peuvent \u00eatre r\u00e9utilis\u00e9es et aucun rec\u00e2blage (fibre ou cuivre) n\u2019est n\u00e9cessaire dans un premier temps.<\/p>\n\n\n\n<p>Les autres ports du splitter AROONA pourront \u00e9tendre l\u2019architecture POL en ajoutant ais\u00e9ment des terminaux dans le futur, rendant le LAN facilement \u00e9volutif.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">R\u00e9duction des co\u00fbts et de la dur\u00e9e du projet de r\u00e9novation<\/h5>\n\n\n\n<p>Gr\u00e2ce \u00e0 AROONA, la migration du b\u00e2timent vers le POL s\u2019est faite ais\u00e9ment en une demi-journ\u00e9e. Les frais d\u2019investissement pour la migration ont \u00e9t\u00e9 inf\u00e9rieurs de 37% par rapport \u00e0 un rec\u00e2blage. Cette phase de migration a \u00e9t\u00e9 r\u00e9alis\u00e9e dans le temps et le budget de la phase pr\u00e9c\u00e9dente, permettant d\u2019acc\u00e9l\u00e9rer le projet de r\u00e9novation du LAN du CEREMA.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.cailabs.com\/app\/uploads\/2024\/02\/cailabs_etudedecas_cerema_fr_201905.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">T\u00e9l\u00e9chargez l&rsquo;\u00e9tude de CEREMA au format PDF<\/a><\/div>\n<\/div>\n\n\n","protected":false},"excerpt":{"rendered":"<p>CEREMA &#038; IBM, France<\/p>\n","protected":false},"author":2,"featured_media":937,"parent":0,"template":"","categorie-case-study":[85,88],"class_list":["post-4880","case-study","type-case-study","status-publish","has-post-thumbnail","hentry","categorie-case-study-reseaux-fibres","categorie-case-study-reseaux-locaux"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Etude de cas | AROONA pour un LAN \u00e9cologique au service des \u00e9tablissements publics<\/title>\n<meta name=\"description\" content=\"AROONA pour un LAN \u00e9cologique au service des \u00e9tablissements publics\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.cailabs.com\/fr\/etudes-de-cas\/reseaux-fibres\/cerema-ibm-france\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" 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