{"id":19846,"date":"2021-02-11T09:30:11","date_gmt":"2021-02-11T09:30:11","guid":{"rendered":"https:\/\/www.centreon.com\/connected-monitoring-pourquoi-la-technologie-blockchain-necessite-une-supervision-connectee\/"},"modified":"2021-02-11T09:30:55","modified_gmt":"2021-02-11T09:30:55","slug":"connected-monitoring-pourquoi-la-technologie-blockchain-necessite-une-supervision-connectee","status":"publish","type":"post","link":"https:\/\/www.centreon.com\/fr\/connected-monitoring-pourquoi-la-technologie-blockchain-necessite-une-supervision-connectee\/","title":{"rendered":"Connected Monitoring : pourquoi la technologie Blockchain n\u00e9cessite une supervision connect\u00e9e"},"content":{"rendered":"<p><em>Un grand merci \u00e0 Nicolas Heulot de l&rsquo;<a href=\"https:\/\/www.irt-systemx.fr\/a-propos\/irt-systemx\/\" target=\"_blank\" rel=\"noopener\">IRT SystemX<\/a> pour ce contenu, sans oublier Simon Bomm de Centreon.<\/em><\/p>\n<p>&#8212;<\/p>\n<p><span style=\"font-weight: 400;\">La Blockchain est aujourd&rsquo;hui une technologie bien connue du grand public, en particulier car elle a fait l\u2019objet d\u2019une forte exposition m\u00e9diatique avec le d\u00e9ploiement des monnaies num\u00e9riques telles que le Bitcoin initi\u00e9 en 2009 ou encore le projet de monnaie virtuelle Libra de Facebook annonc\u00e9 en 2019. Initialement con\u00e7ue pour supporter les \u00ab\u00a0crypto-monnaies\u00a0\u00bb, cette technologie s&rsquo;est \u00e9largie rapidement \u00e0 des applications de partage d&rsquo;information de mani\u00e8re d\u00e9centralis\u00e9e con\u00e7ues par des groupements d\u2019entreprises. Elles ouvrent la voie au d\u00e9veloppement de nouveaux services et de nouvelles applications et deviennent un \u00e9l\u00e9ment essentiel de la collaboration inter-entreprises. La complexit\u00e9 m\u00eame de la technologie Blockchain implique une supervision de nouvelle g\u00e9n\u00e9ration capable de superviser une technologie multi-niveaux avec des solutions connect\u00e9es.<\/span><\/p>\n<h2><span style=\"color: #84bd00;\"><b>La Blockchain, nouvel \u00e9l\u00e9ment critique de la collaboration entre entreprises<\/b><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Nous connaissons tous les nombreuses applications de la Blockchain en finance issues de l\u2019\u00e9cosyst\u00e8me des crypto-actifs (actifs num\u00e9riques utilisant un r\u00e9seau informatique et la technologie Blockchain pour valider des transactions entre plusieurs entit\u00e9s). Depuis 2017, de nombreux projets Blockchain sont sortis de ce cadre et ont d\u00e9pass\u00e9 le stade de pilotes dans d\u2019autres domaines comme par exemple la <\/span><a href=\"https:\/\/www.monuma.fr\/blockchain\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">certification d\u2019\u0153uvres d\u2019art<\/span><\/a><span style=\"font-weight: 400;\"> ou de <\/span><a href=\"https:\/\/www.bcdiploma.com\/fr\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">dipl\u00f4mes<\/span><\/a><span style=\"font-weight: 400;\"> (avec la Blockchain Ethereum) ou encore la tra\u00e7abilit\u00e9 alimentaire avec des projets r\u00e9alis\u00e9s par <\/span><a href=\"https:\/\/www.carrefour.com\/fr\/groupe\/la-transition-alimentaire\/la-blockchain-alimentaire\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Carrefour<\/span><\/a><span style=\"font-weight: 400;\">, ou <\/span><a href=\"https:\/\/www.nestle.fr\/media\/pressreleases\/blockchain-guigoz\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Nestl\u00e9<\/span><\/a><span style=\"font-weight: 400;\"> en collaboration avec IBM et utilisant la Blockchain priv\u00e9e Hyperledger Fabric.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Les projets de Blockchain priv\u00e9e rassemblent des entreprises, organis\u00e9es en consortium, r\u00e9unies autour d&rsquo;une m\u00eame ambition de mutualisation et de partage d&rsquo;information pour un cas d\u2019usage donn\u00e9. Ces acteurs f\u00e9d\u00e9r\u00e9s autour d\u2019un m\u00eame r\u00e9seau Blockchain interagissent dans une logique d\u00e9centralis\u00e9e et cherchent de la valeur dans les propri\u00e9t\u00e9s de tra\u00e7abilit\u00e9, de confiance num\u00e9rique et d&rsquo;interop\u00e9rabilit\u00e9 qu&rsquo;apporte la technologie Blockchain.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Dans un protocole Blockchain, le r\u00e9seau est d\u00e9centralis\u00e9. Cela implique que l&rsquo;historique des transactions est r\u00e9pliqu\u00e9e sur tous les n\u0153uds (ou participants) au sein d\u2019un registre num\u00e9rique appel\u00e9 Ledger et que toute Blockchain fonctionne au-dessus d&rsquo;une technologie de Ledger distribu\u00e9 (DLT). Ce protocole permet de stocker et r\u00e9pliquer toutes les transactions qui ont lieu dans le r\u00e9seau. Ce r\u00e9seau relie en peer-to-peer (P2P) des machines (n\u0153uds) qui op\u00e8rent ce protocole afin de maintenir le fonctionnement de la Blockchain.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Parmi les technologies Blockchain les plus connues, se trouve <\/span><b>Ethereum<\/b><span style=\"font-weight: 400;\">, un\u00a0<\/span><a href=\"https:\/\/fr.wikipedia.org\/wiki\/Protocole_de_communication\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">protocole<\/span><\/a><span style=\"font-weight: 400;\">\u00a0d&rsquo;\u00e9change d\u00e9centralis\u00e9 permettant la cr\u00e9ation et l\u2019utilisation de\u00a0<\/span><a href=\"https:\/\/fr.wikipedia.org\/wiki\/Contrat_intelligent\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">contrats intelligents<\/span><\/a><span style=\"font-weight: 400;\">\u00a0(Smart Contract). Ces contrats sont des programmes s\u2019ex\u00e9cutant de mani\u00e8re autonome sur le r\u00e9seau Blockchain. Ils permettent par exemple de tracer des assets financiers ou de contr\u00f4ler des \u00e9changes de fonds.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">La logique initiale des Blockchains publiques, ouvertes \u00e0 tous comme Bitcoin, ne satisfont pas enti\u00e8rement les besoins de certains cas d\u2019usages. Aussi, de nouvelles \u00ab\u00a0Blockchain de consortium\u00a0\u00bb sont apparues. Elles ont pour objectif de satisfaire des contraintes de performances mais \u00e9galement de confidentialit\u00e9 des donn\u00e9es avec des volumes de transactions par seconde bien plus importants et n\u00e9cessitant des autorisations d&rsquo;acc\u00e8s aux participants du r\u00e9seau.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Parmi ces Blockchains de consortium, <\/span><b>Hyperledger Fabric<\/b><span style=\"font-weight: 400;\"> est une des plus utilis\u00e9es. D\u00e9velopp\u00e9e initialement par IBM puis plac\u00e9e en open-source sous l&rsquo;\u00e9gide de la Linux Foundation, elle a \u00e9t\u00e9 con\u00e7ue pour les entreprises afin de cadrer et s\u00e9curiser des \u00e9changes d\u2019information gr\u00e2ce notamment \u00e0 des <\/span><a href=\"https:\/\/fr.wikipedia.org\/wiki\/Contrat_intelligent\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">contrats intelligents<\/span><\/a><span style=\"font-weight: 400;\"> (appel\u00e9s chaincodes).<\/span><\/p>\n<p><span style=\"font-weight: 400;\">M\u00eame si ces technologies Blockchain sont encore au stade de l\u2019innovation, elles entrent dans le monde de l\u2019entreprise avec de forts enjeux en mati\u00e8re de supervision Blockchain. En effet, les entreprises exploitant une m\u00eame Blockchain participent \u00e0 un m\u00eame r\u00e9seau P2P dans lequel une majorit\u00e9 des n\u0153uds doit rester op\u00e9rationnelle et connect\u00e9e H24 afin de garantir la s\u00e9curit\u00e9 des donn\u00e9es Blockchain. Il est vital pour chaque entreprise de pr\u00e9venir des anomalies, d\u00e9faillances ou malveillances sur son ou ses n\u0153uds participant au r\u00e9seau. Bref, de superviser le tout\u00a0!<\/span><\/p>\n<h2><span style=\"color: #84bd00;\"><b>Une architecture complexe n\u00e9cessitant une supervision multi-niveaux centralis\u00e9e et corr\u00e9l\u00e9e dans Centreon\u00a0<\/b><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Chaque technologie Blockchain dispose de caract\u00e9ristiques sp\u00e9cifiques en mati\u00e8re de gestion des transactions et de fonctionnement du consensus. N\u00e9anmoins, il existe trois niveaux d\u2019information pour de contr\u00f4ler l\u2019\u00e9tat de sant\u00e9 d\u2019une Blockchain\u00a0:<\/span><\/p>\n<ul>\n<li><b>Ledger\u00a0: <\/b><span style=\"font-weight: 400;\">ce niveau regroupe les<\/span><b> m\u00e9triques sur le fonctionnement et l\u2019activit\u00e9 sur le registre <\/b><span style=\"font-weight: 400;\">au niveau du consensus comme au niveau de sa bande passante.\u00a0<\/span><\/li>\n<li><b>Network\u00a0:<\/b><span style=\"font-weight: 400;\"> ce niveau regroupe les <\/span><b>m\u00e9triques de qualit\u00e9 de synchronisation d\u2019un n\u0153ud avec le reste des n\u0153uds du r\u00e9seau pair \u00e0 pair.<\/b><span style=\"font-weight: 400;\">\u00a0<\/span><\/li>\n<li><b>Infrastructure\u00a0:<\/b><span style=\"font-weight: 400;\"> ce niveau regroupe des <\/span><b>m\u00e9triques en rapport avec l\u2019\u00e9tat de sant\u00e9 de l\u2019infrastructure faisant tourner les n\u0153uds de la Blockchain.<\/b><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">En remontant ces m\u00e9triques dans une solution de supervision, il est possible de superviser l\u2019\u00e9tat de sant\u00e9 ainsi que l\u2019activit\u00e9 sur un ou plusieurs n\u0153uds du r\u00e9seau Blockchain. <\/span><b>Cette remont\u00e9e d\u2019informations peut \u00eatre optimis\u00e9e<\/b><span style=\"font-weight: 400;\"> si la solution de supervision s\u2019interface avec les outils en place pour faciliter et automatiser la collecte et la consolidation des donn\u00e9es.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u2019est l\u00e0 o\u00f9 Centreon prend tout son sens gr\u00e2ce \u00e0 une approche de <\/span><a href=\"https:\/\/www.centreon.com\/blog\/connected-it-monitoring-la-nouvelle-generation-doutils-de-supervision-informatique-est-en-marche\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Connected Monitoring<\/span><\/a><span style=\"font-weight: 400;\"> reposant sur des connecteurs pr\u00eats \u00e0 l\u2019emploi qui simplifie et optimise la connexion de votre outil de supervision des Blockchains du march\u00e9.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">D\u00e9couvrez comment dans l\u2019<a href=\"https:\/\/www.centreon.com\/blog\/connected-monitoring-supervisez-votre-blockchain-avec-centreon\/\" target=\"_blank\" rel=\"noopener\">article suivant<\/a>.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Un grand merci \u00e0 Nicolas Heulot de l&rsquo;IRT SystemX pour ce contenu, sans oublier Simon Bomm de Centreon. &#8212; La Blockchain est aujourd&rsquo;hui une technologie bien connue du grand public, en particulier car elle a&nbsp;&#8230;<\/p>\n","protected":false},"author":1,"featured_media":5599,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"post-type":[95],"theme":[],"class_list":["post-19846","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","post-type-bonnes-pratiques"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - 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