{"id":7633,"date":"2025-11-04T15:39:07","date_gmt":"2025-11-04T14:39:07","guid":{"rendered":"https:\/\/esme-dev.ionis.io\/recherche\/?p=7633"},"modified":"2026-01-12T15:39:27","modified_gmt":"2026-01-12T14:39:27","slug":"lesme-participe-a-la-23%e1%b5%89-edition-du-symposium-ieee-nca-2025-a-lisbonne","status":"publish","type":"post","link":"https:\/\/www.esme.fr\/recherche\/2025\/11\/04\/lesme-participe-a-la-23%e1%b5%89-edition-du-symposium-ieee-nca-2025-a-lisbonne\/","title":{"rendered":"L\u2019ESME participe \u00e0 la 23\u1d49 \u00e9dition du symposium IEEE NCA 2025 \u00e0 Lisbonne"},"content":{"rendered":"\n<p><strong>Camila Murad Veille<\/strong> (ESME promo 2026) a eu l\u2019honneur de voir son article de recherche accept\u00e9 \u00e0 la <strong>23\u1d49 \u00e9dition du IEEE International Symposium on Network Computing and Applications (IEEE NCA 2025)<\/strong>, qui se tiendra du <strong>5 au 7 novembre 2025<\/strong> \u00e0 l\u2019<strong>Instituto Superior T\u00e9cnico de Lisbonne<\/strong>, au Portugal. <\/p>\n\n\n\n<p>Cet article, co\u00e9crit avec <strong>Lamine Amour<\/strong> (ESME), <strong>Scott Fowler<\/strong> (Link\u00f6ping University) et <strong>Sami Souihi<\/strong> (CEA LIST), porte sur l\u2019<strong>optimisation auto-adaptative du stockage distribu\u00e9 guid\u00e9e par la Qualit\u00e9 d\u2019Exp\u00e9rience (QoE)<\/strong> \u2014 un domaine en plein essor dans la recherche sur les syst\u00e8mes cloud et edge.<\/p>\n\n\n\n<p>Le travail pr\u00e9sente une <strong>plateforme innovante de partage de fichiers s\u00e9curis\u00e9e<\/strong>, fond\u00e9e sur une optimisation de la QoE au sein du <strong>Zettabyte File System (ZFS)<\/strong>.<br>L\u2019architecture propos\u00e9e, organis\u00e9e en quatre modules, int\u00e8gre le <strong>ZFS avec l\u2019apprentissage par renforcement (Reinforcement Learning)<\/strong> pour ajuster dynamiquement les param\u00e8tres de performance \u2014 tels que la latence, le d\u00e9bit ou l\u2019efficacit\u00e9 du cache \u2014 en fonction des charges de travail et des attentes des utilisateurs.<br>Le syst\u00e8me relie ainsi les signaux QoE de haut niveau aux r\u00e9glages bas niveau du ZFS tout en assurant <strong>tra\u00e7abilit\u00e9 et transparence gr\u00e2ce \u00e0 la blockchain<\/strong>. Les \u00e9valuations exp\u00e9rimentales d\u00e9montrent que la strat\u00e9gie d\u2019<strong>apprentissage profond adaptatif (Deep Q-Learning)<\/strong> am\u00e9liore significativement les performances de stockage et la QoE par rapport aux configurations statiques, \u00e9tablissant une <strong>nouvelle r\u00e9f\u00e9rence pour le stockage d\u00e9centralis\u00e9 orient\u00e9 QoE<\/strong>.<\/p>\n\n\n\n<p>Cette publication s\u2019inscrit dans la continuit\u00e9 des travaux men\u00e9s \u00e0 l\u2019<strong>ESME Research Lab<\/strong>, avec le soutien de <strong>VINCI Construction Group<\/strong>, du <strong>CEA LIST<\/strong> et de <strong>Link\u00f6ping University<\/strong>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Camila Murad Veille (ESME promo 2026) a eu l\u2019honneur de voir son article de recherche accept\u00e9 \u00e0 la 23\u1d49 \u00e9dition du IEEE International Symposium on Network Computing and Applications (IEEE NCA 2025), qui se tiendra du 5 au 7 novembre 2025 \u00e0 l\u2019Instituto Superior T\u00e9cnico de Lisbonne, au Portugal. Cet article, co\u00e9crit avec Lamine Amour [&hellip;]<\/p>\n","protected":false},"author":22,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-7633","post","type-post","status-publish","format-standard","hentry","category-non-classe"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.8 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>L\u2019ESME participe \u00e0 la 23\u1d49 \u00e9dition du symposium IEEE NCA 2025 \u00e0 Lisbonne -<\/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:\/\/www.esme.fr\/recherche\/2025\/11\/04\/lesme-participe-a-la-23\u1d49-edition-du-symposium-ieee-nca-2025-a-lisbonne\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"L\u2019ESME participe \u00e0 la 23\u1d49 \u00e9dition du symposium IEEE NCA 2025 \u00e0 Lisbonne\" \/>\n<meta property=\"og:description\" content=\"Camila Murad Veille (ESME promo 2026) a eu l\u2019honneur de voir son article de recherche accept\u00e9 \u00e0 la 23\u1d49 \u00e9dition du IEEE International Symposium on Network Computing and Applications (IEEE NCA 2025), qui se tiendra du 5 au 7 novembre 2025 \u00e0 l\u2019Instituto Superior T\u00e9cnico de Lisbonne, au Portugal. 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