{"id":2200,"date":"2021-10-05T16:25:45","date_gmt":"2021-10-05T16:25:45","guid":{"rendered":"https:\/\/\/le-1er-reseau-urbain-quantique-au-monde-sera-a-londres\/"},"modified":"2021-10-05T16:25:45","modified_gmt":"2021-10-05T16:25:45","slug":"le-1er-reseau-urbain-quantique-au-monde-sera-a-londres","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/le-1er-reseau-urbain-quantique-au-monde-sera-a-londres\/","title":{"rendered":"Le 1er r\u00e9seau urbain quantique au monde sera \u00e0 Londres"},"content":{"rendered":"

Ce r\u00e9seau reliera \u00e0 Londres les sites des Docklands, de la City et du corridor M4. Il fournira des services de donn\u00e9es s\u00e9curis\u00e9s \u00e0 l’aide de Quantum Key Distribution (QKD) et de Post-Quantum Cryptography (PQC). C\u2019est la suite d\u2019une d\u00e9monstration d’une liaison r\u00e9seau s\u00e9curis\u00e9e quantique point \u00e0 point \u00e0 Bristol et \u00e0 un partenariat pour ex\u00e9cuter des cl\u00e9s quantiques sur des c\u00e2bles \u00e0 fibre optique existants. Exploit\u00e9 par BT, le r\u00e9seau fournit une gamme de services \u00e0 s\u00e9curit\u00e9 quantique, y compris des liens crypt\u00e9s de bout en bout \u00e0 bande passante \u00e9lev\u00e9e, fournis via la solution Optical Spectrum Access Filter Connect (OSA FC) d’Openreach pour les r\u00e9seaux de fibre priv\u00e9s. Les liaisons QKD seront fournies \u00e0 l’aide d’un r\u00e9seau quantique qui comprend \u00e0 la fois des composants de base et d’acc\u00e8s, et seront int\u00e9gr\u00e9es aux op\u00e9rations de gestion de r\u00e9seau existantes de BT.<\/p>\n

Toshiba fournira le mat\u00e9riel de distribution de cl\u00e9s quantiques et le logiciel de gestion de cl\u00e9s. La soci\u00e9t\u00e9 a cr\u00e9\u00e9 une entreprise de fabrication de mat\u00e9riel de cryptage quantique \u00e0 Cambridge, au Royaume-Uni.<\/p>\n

En juin 2021, Toshiba a fait une d\u00e9monstration du syst\u00e8me Twin Field QKD longue distance sur des fibres optiques d\u00e9passant 600 km en utilisant la technique de stabilisation \u00e0 double bande. La combinaison du QKD multiplex\u00e9 utilisant l’infrastructure existante pour les r\u00e9seaux urbains, aux c\u00f4t\u00e9s du QKD conventionnel et du QKD \u00e0 double action (Twin Field QKD) pour les plus longues distances, ouvre la voie \u00e0 un r\u00e9seau quantique s\u00e9curis\u00e9 commercialement viable au Royaume-Uni.<\/p>\n

BT cite des \u00e9tudes selon lesquelles les attaques de s\u00e9curit\u00e9 utilisant des ordinateurs quantiques seront possibles d’ici cinq ans, et probables d’ici dix ans. La s\u00e9curisation du trafic crypt\u00e9 est d\u00e8s aujourd\u2019hui un probl\u00e8me urgent, car les donn\u00e9es qui n\u00e9cessitent une s\u00e9curit\u00e9 \u00e0 long terme risquent de faire l’objet d’attaques de type \u00ab\u00a0stocker aujourd’hui, craquer plus tard\u00a0\u00bb, dans lesquelles l’\u00e9change de cl\u00e9s et le trafic crypt\u00e9 sont stock\u00e9s maintenant et cass\u00e9s lorsqu’un ordinateur quantique suffisamment puissant est disponible. La s\u00e9curit\u00e9 bas\u00e9e sur le QKD signifie que l’\u00e9change de cl\u00e9s est prot\u00e9g\u00e9 contre toute avanc\u00e9e informatique ou math\u00e9matique et est donc immunis\u00e9 contre toute attaque actuelle ou future par des ordinateurs quantiques.<\/p>\n

\n

Dans un premier temps, il s’agira de proc\u00e9der \u00e0 des essais pour les entreprises clientes qui v\u00e9hiculent du trafic sensible (telles que des sauvegardes de bases de donn\u00e9es) d’un site \u00e0 l’autre, et d’\u00e9tudier les offres possibles telles que les liaisons crypt\u00e9es et les \u00ab\u00a0cl\u00e9s quantiques en tant que service\u00a0\u00bb.<\/p>\n

Au cours du second semestre 2020, Toshiba a lanc\u00e9 des solutions commerciales de QKD, produites sur son site de Cambridge. Ils offrent les niveaux de cl\u00e9s les plus \u00e9lev\u00e9s (des milliers de cl\u00e9s par seconde) et la plus longue port\u00e9e de tous les syst\u00e8mes QKD par fibre disponibles commercialement \u00e0 ce jour. La compatibilit\u00e9 de multiplexage de Toshiba permet de transmettre les donn\u00e9es et les cl\u00e9s quantiques sur la m\u00eame fibre, \u00e9liminant l\u2019infrastructure d\u00e9di\u00e9e co\u00fbteuse pour la distribution des cl\u00e9s. Toshiba fournira \u00e9galement un logiciel de distribution et de gestion des cl\u00e9s qui permet de prot\u00e9ger les donn\u00e9es de bout en bout sur le r\u00e9seau.<\/p>\n

Howard Watson, CTO de BT a d\u00e9clar\u00e9 : \u00ab BT et Toshiba ont \u00e9tabli une position de leader mondial dans le d\u00e9veloppement de r\u00e9seaux \u00e0 s\u00e9curit\u00e9 quantique. Nous sommes ravis de faire passer cette collaboration \u00e0 un niveau sup\u00e9rieur en construisant le premier r\u00e9seau de m\u00e9tro s\u00e9curis\u00e9 quantique commercialement op\u00e9rationnel au monde \u00e0 Londres. Un transfert de donn\u00e9es s\u00e9curis\u00e9, robuste et fiable est de plus en plus crucial pour nos clients \u00e0 travers le monde. Notre programme de R&D Quantum va rendre les r\u00e9seaux mondiaux plus s\u00fbrs alors que nous entrons dans une nouvelle \u00e8re de l’informatique quantique . \u00bb<\/p>\n

BT a men\u00e9 son premier essai QKD int\u00e9gr\u00e9 dans un r\u00e9seau de communication optique s\u00e9curis\u00e9 sur le terrain en 2017 et en 2018-19, un deuxi\u00e8me essai sur un r\u00e9seau direct entre Cambridge et son campus de R&D Adastral Park \u00e0 Ipswich. C\u2019\u00e9tait \u00e0 cet instant, en Grande Bretagne, le lien le en r\u00e9seau quantique le plus long. L’ann\u00e9e derni\u00e8re, BT a men\u00e9 des essais clients sur Ethernet 10G.<\/p>\n

www.bt.com<\/a>   –   www.global.toshiba\/<\/a><\/p>\n

ww\/outline\/corporate.html<\/a><\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

Toshiba et BT vont construire le premier r\u00e9seau quantique urbain commercial s\u00e9curis\u00e9 au monde \u00e0 travers Londres.<\/p>\n","protected":false},"author":11,"featured_media":2201,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[883],"tags":[],"domains":[47],"ppma_author":[1143],"class_list":["post-2200","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technologies","domains-electronique-eci"],"acf":[],"yoast_head":"Le 1er r\u00e9seau urbain quantique au monde sera \u00e0 Londres ...<\/title>\n<meta name=\"description\" content=\"Toshiba et BT vont construire le premier r\u00e9seau quantique urbain commercial s\u00e9curis\u00e9 au monde \u00e0 travers Londres.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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