{"id":5788,"date":"2021-12-07T11:40:00","date_gmt":"2021-12-07T11:40:00","guid":{"rendered":"https:\/\/digicomcorporation.com\/?p=5788"},"modified":"2022-07-01T07:58:33","modified_gmt":"2022-07-01T07:58:33","slug":"servicenow-un-outil-qui-sort-de-lordinaire","status":"publish","type":"post","link":"https:\/\/digicomcorporation.com\/fr\/actualites\/servicenow\/servicenow-un-outil-qui-sort-de-lordinaire\/","title":{"rendered":"ServiceNow : un outil qui sort de l\u2019ordinaire"},"content":{"rendered":"\r\n<p>Dans cet article, nous allons principalement voir les aspects techniques de la plateforme, la diff\u00e9rence entre une architecture multi-instance et multi-tenante, la disponibilit\u00e9, la redondance, la s\u00e9curit\u00e9, la sauvegarde et le r\u00f4le de la CMDB qui rendent cette plateforme puissante et unique en son genre.<\/p>\r\n\r\n\r\n\r\n<p>La plateforme ServiceNow se dote d\u2019une<strong> architecture multi-instance. <\/strong>Les composantes technologiques de l\u2019architecture d\u2019entreprise, tels que<strong> les applications, les donn\u00e9es de l\u2019entreprise et les personnalisations <\/strong>se trouvent sur une infrastructure technologique que l\u2019on appelle<strong> instance. <\/strong>Cette avanc\u00e9e permet \u00e0 chaque entreprise de poss\u00e9der sa <strong>propre instance<\/strong> (voir l&#8217;image 1). <strong>L&#8217;entreprise A et B<\/strong> ont leur propre <strong>instance A et B,<\/strong> \u00e0 l\u2019inverse de la plupart des technologies voisines qui offrent une solution de partage de donn\u00e9es et des applications qui se reposent sur une m\u00eame infrastructure pour toutes les entreprises (voir l&#8217;image 2). Elles ne permettent pas aux entreprises de poss\u00e9der leur propres instances, les entreprises sont des tenantes de cette infrastructure, on parle ici d\u2019une <strong>architecture multi-tenante.<\/strong><\/p>\r\n\r\n\r\n\r\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh4.googleusercontent.com\/OjEW-wUvugGZ0Tv4pR39_A3ioMXSoHV2xgd0CMeh5soHd6Zi4fpm4mZkqFL2qXUIPZ68nWDXN85rl_QxgVGNN8UrVK-e45KtKeqCD0zvRyLEw0Szx17UpctXG6fN3aWIKscBjcni\" alt=\"\"\/><\/figure>\r\n\r\n\r\n\r\n<p>Une architecture multi-tenante peut apporter certains d\u00e9savantages par rapport \u00e0 une architecture multi-instance. <em>Par exemple, les tenants ne sont pas <\/em>\u00e0 <em>l\u2019abri d\u2019une cyberattaque, lorsque ce type d\u2019\u00e9v\u00e9nement se produit, l\u2019ensemble des tenants sont affect\u00e9s car ils d\u00e9pendent tous de la m\u00eame infrastructure, de ce fait, une architecture multi-tenante est donc plus vuln\u00e9rable aux hame\u00e7onnages, alors qu\u2019une architecture multi-instance porte peu d\u2019int\u00e9r\u00eat pour les hackers.<\/em><\/p>\r\n\r\n\r\n\r\n<p>Voyons <strong>les avantages sp\u00e9cifiques d\u2019une architecture multi-instance de ServiceNow <\/strong>:<\/p>\r\n\r\n\r\n\r\n<ul><li>Les mises \u00e0 jour peuvent \u00eatre effectu\u00e9es selon les besoins et la gouvernance de l\u2019entreprise, elles peuvent s\u2019inscrire dans un calendrier pr\u00e9cis et sont faites pour chaque instance.<\/li><li>Les personnalisations sont faites rapidement pour chaque instance.<\/li><li>Une architecture multi-instance est loin d\u2019\u00eatre une cible id\u00e9ale pour les hackers.<\/li><li>La disponibilit\u00e9 des donn\u00e9es est plus grande dans une architecture multi-instance que multi-tenante.<\/li><\/ul>\r\n\r\n\r\n\r\n<p><strong>La disponibilit\u00e9, la redondance, la sauvegarde et la s\u00e9curit\u00e9 de ServiceNow<\/strong>&nbsp;<\/p>\r\n\r\n\r\n\r\n<p>ServiceNow utilise AHA, \u201cAdvanced High Availiblity Architecture \u201d Cette architecture avanc\u00e9e va permettre de prendre le relais en cas d\u2019hame\u00e7onnage, d\u2019une panne de courant ou d\u2019une d\u00e9faillance technique. Elle se compose de r\u00e9seaux, de serveurs, un chemin de r\u00e9seaux bien pr\u00e9cis. Pour un meilleur <strong>\u00e9quilibrage<\/strong> et une<strong> redondance<\/strong>, les centre de donn\u00e9es globales de ServiceNow sont jumel\u00e9s avec d\u2019autres centre de donn\u00e9es globales.<\/p>\r\n\r\n\r\n\r\n<p>Avec ServiceNow, vous pouvez effectuer<strong> 4 sauvegardes totales<\/strong> des donn\u00e9es par semaine et<strong> 6 sauvegardes diff\u00e9rentielles<\/strong> par jour. Pour s\u00e9curiser les acc\u00e8s des applications, vous pouvez cr\u00e9er des groupes, des r\u00f4les et assigner des r\u00f4les aux utilisateurs. Vous pouvez \u00e9galement utiliser \u2018domain s\u00e9paration\u2019 pour cr\u00e9er des entit\u00e9s diff\u00e9rentes sur une m\u00eame instance et avoir un contr\u00f4le sur les acc\u00e8s des donn\u00e9es et des applications, <em>par exemple, un grand groupe comme PSA peut d\u00e9cider d\u2019utiliser une m\u00eame instance pour toutes les entreprises filiales. Ceci va permettre aux entreprises filles de partager les <\/em><strong><em>process et pas les donn\u00e9es.<\/em><\/strong><\/p>\r\n\r\n\r\n\r\n<p><strong>CMDB : Un mod\u00e8le de donn\u00e9e unique<\/strong><\/p>\r\n\r\n\r\n\r\n<p>L\u2019infrastructure technologique de l\u2019architecture d\u2019entreprise est en constante \u00e9volution, l\u2019entreprise au cours de son d\u00e9veloppement conna\u00eet une prolif\u00e9ration des syst\u00e8mes d\u2019information, tels que les ajouts des applications, des <strong>services clouds et mobiles<\/strong>, des serveurs et des machines virtuelles, il devient donc important de mettre en place un syst\u00e8me de configuration de base de donn\u00e9es pour les CI (Configuration Items), CMBD, le syst\u00e8me de gestion de base donn\u00e9e de ServiceNow est l\u2019application qui assure la qualit\u00e9 de donn\u00e9e de l\u2019infrastructure IT, il repr\u00e9sente en effet un mod\u00e8le de donn\u00e9e unique et permet d\u2019avoir une seule source de donn\u00e9e fiable pour prendre des d\u00e9cisions d\u2019affaires.Dot\u00e9e d\u2019une puissante architecture technologique, ServiceNow est une plateforme as a service (Paas), une seule plateforme pour automatiser les processus m\u00e9tier de votre entreprise, elle vous offre <strong>4 workflows diff\u00e9rents<\/strong> : les<strong> workflows IT, employ\u00e9s, creators et clients<\/strong>. Chaque workflow vous offre une suite d\u2019applications, une pour la ressource humaine, une autre pour la t\u00e9l\u00e9communication, une autre pour la gestion de service client\u00e8le etc..finalement, il est \u00e9galement possible de cr\u00e9er et g\u00e9rer votre propre application sur ServiceNow. Il s\u2019agit bel et bien d\u2019un outil extraordinaire.<\/p>\r\n\r\n\r\n\r\n<hr class=\"wp-block-separator\"\/>\r\n\r\n\r\n\r\n<p><meta charset=\"utf-8\"><strong>Vous \u00eates justement \u00e0 la recherche d&#8217;un expert ServiceNow ? Discutez avec nos experts ServiceNow ! <\/strong><\/p>\r\n\r\n\r\n\r\n<a class=\"el-content uk-button uk-button-default\" href=\"\/fr\/rendez-vous-pro-step-1\/\">\r\nRendez-vous PRO\r\n<\/a>\r\n","protected":false},"excerpt":{"rendered":"<p>Dans cet article, nous allons principalement voir les aspects techniques de la plateforme, la diff\u00e9rence entre une architecture multi-instance et multi-tenante, la disponibilit\u00e9, la redondance, la s\u00e9curit\u00e9, la sauvegarde et le r\u00f4le de la CMDB qui rendent cette plateforme puissante et unique en son genre. La plateforme ServiceNow se dote d\u2019une architecture multi-instance. Les composantes [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":5901,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[121],"tags":[],"post_flags":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>ServiceNow : un outil qui sort de l\u2019ordinaire | Digicom Corporation, IT Consulting &amp; ServiceNow Partner<\/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:\/\/digicomcorporation.com\/fr\/actualites\/servicenow\/servicenow-un-outil-qui-sort-de-lordinaire\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ServiceNow : un outil qui sort de l\u2019ordinaire | Digicom Corporation, IT Consulting &amp; ServiceNow Partner\" \/>\n<meta property=\"og:description\" content=\"Dans cet article, nous allons principalement voir les aspects techniques de la plateforme, la diff\u00e9rence entre une architecture multi-instance et multi-tenante, la disponibilit\u00e9, la redondance, la s\u00e9curit\u00e9, la sauvegarde et le r\u00f4le de la CMDB qui rendent cette plateforme puissante et unique en son genre. 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La plateforme ServiceNow se dote d\u2019une architecture multi-instance. 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