{"id":382981,"date":"2022-02-02T08:14:13","date_gmt":"2022-02-02T16:14:13","guid":{"rendered":"https:\/\/blog.webex.com\/uncategorized-fr\/elaborer-une-strategie-de-transition-reussie-vers-les-appels-en-nuage-dentreprise-partie-3-laspect-financier\/"},"modified":"2021-02-10T08:14:13","modified_gmt":"2021-02-10T16:14:13","slug":"elaborer-une-strategie-de-transition-reussie-vers-les-appels-en-nuage-dentreprise-partie-3-laspect-financier","status":"publish","type":"post","link":"https:\/\/blog.webex.com\/fr\/collaboration-fr\/elaborer-une-strategie-de-transition-reussie-vers-les-appels-en-nuage-dentreprise-partie-3-laspect-financier\/","title":{"rendered":"\u00c9laborer une strat\u00e9gie de transition r\u00e9ussie vers les appels en ..."},"content":{"rendered":"<p><em>La <a href=\"https:\/\/blogs.cisco.com\/tag\/how-to-develop-a-winning-transition-strategy-for-enterprise-cloud-calling-blog-series\">s\u00e9rie de blogs intitul\u00e9e \u00ab\u00a0Comment \u00e9laborer une strat\u00e9gie de transition r\u00e9ussie vers les appels en nuage d\u2019entreprise\u00a0\u00bb<\/a> propose une explication en quatre parties de la fa\u00e7on dont vous pouvez faire \u00e9voluer votre entreprise vers un avenir d\u2019appel en nuage et de collaboration qui offre tous les avantages que l\u2019on attend d\u2019un service en nuage de qualit\u00e9.<\/em><\/p>\n<h2><span><br \/>\n  <strong>\u00c9viter les impacts n\u00e9gatifs<\/strong><br \/>\n<\/span><\/h2>\n<p>Voici le troisi\u00e8me volet de la s\u00e9rie de blogs qui analysent comment concevoir et mettre en place une strat\u00e9gie r\u00e9ussie de migration des communications unifi\u00e9es d\u2019entreprise et de collaboration vers le nuage. Nous pr\u00e9senterons la situation dans ses grands axes, ainsi que son co\u00fbt total de possession (TCO) et une comparaison entre les solutions de communications unifi\u00e9es effectu\u00e9es en local et sur le nuage.<\/p>\n<p>Un panneau de signalisation indiquant un avertissement explicite est toujours bien appr\u00e9ci\u00e9.\u00a0 Le fameux \u00ab\u00a0ne faites pas marche arri\u00e8re sur une herse\u00a0\u00bb est l\u2019un de mes pr\u00e9f\u00e9r\u00e9s.\u00a0 \u00c0 qui pourrait venir l\u2019id\u00e9e de faire une chose pareille\u00a0? Cependant plus d\u2019un conducteur a assur\u00e9ment commis cette erreur et en a subi les cons\u00e9quences.<\/p>\n<p><a href=\"https:\/\/storage.googleapis.com\/blogs-images\/ciscoblogs\/1\/2021\/02\/Wrong-Way-Stop-Severe-Tire-Damage.png\"><br \/>\n  <img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium_large wp-image-354358\" src=\"https:\/\/storage.googleapis.com\/blogs-images\/ciscoblogs\/1\/2021\/02\/Wrong-Way-Stop-Severe-Tire-Damage-768x558.png\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" srcset=\"https:\/\/storage.googleapis.com\/blogs-images\/ciscoblogs\/1\/2021\/02\/Wrong-Way-Stop-Severe-Tire-Damage-300x218.png 300w, https:\/\/storage.googleapis.com\/blogs-images\/ciscoblogs\/1\/2021\/02\/Wrong-Way-Stop-Severe-Tire-Damage-768x558.png 768w\" alt=\"Dites non aux incidents s\u00e9v\u00e8res\" width=\"640\" height=\"465\" \/><br \/>\n<\/a><\/p>\n<p>Dans le domaine de l\u2019informatique, nous sommes amen\u00e9s \u00e0 examiner chaque d\u00e9cision du point de vue du co\u00fbt. Revenir sur une d\u00e9cision, apr\u00e8s sa mise en \u0153uvre, est consid\u00e9r\u00e9 comme une erreur co\u00fbteuse, qui aurait pu \u00eatre \u00e9vit\u00e9e. Au m\u00eame titre que faire marche arri\u00e8re sur une herse.<\/p>\n<p>Le passage au \u00ab\u00a0cloud\u00a0\u00bb passe par une \u00e9valuation de l\u2019investissement n\u00e9cessaire \u00e0 la structure num\u00e9rique en local par rapport \u00e0 celle implant\u00e9e sur le nuage. <a href=\"https:\/\/engage2demand.cisco.com\/LP=15200?CCID=cc001100&#038;oid=anrco015892\">Il s\u2019agit alors d\u2019adopter une vision plus large, essentielle<\/a> pour s\u2019assurer que vos d\u00e9cisions sont fond\u00e9es sur des objectifs op\u00e9rationnels strat\u00e9giques, et non seulement sur un mod\u00e8le de co\u00fbts. En adoptant cette approche, vous allez pouvoir passer sans dommages \u00ab\u00a0la herse\u00a0\u00bb \u00e9voqu\u00e9e dans notre m\u00e9taphore et \u00e9viter les incidents dont les entreprises qui revoient constamment leur plan de migration vers le \u00ab\u00a0cloud\u00a0\u00bb sont parfois victimes.<\/p>\n<h2><span><br \/>\n  <strong>Structure de co\u00fbts pr\u00e9visible<\/strong>\u00a0<\/span><\/h2>\n<p>Le tableau ci-dessous reprend les principales cat\u00e9gories de co\u00fbts engag\u00e9s dans l\u2019impl\u00e9mentation d\u2019une solution de communications unifi\u00e9es en local et sur le \u00ab\u00a0cloud\u00a0\u00bb.<\/p>\n<p><a href=\"https:\/\/storage.googleapis.com\/blogs-images\/ciscoblogs\/1\/2021\/02\/Screen-Shot-2021-02-09-at-10.41.13-AM.png\"><br \/>\n  <img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium_large wp-image-354361\" src=\"https:\/\/storage.googleapis.com\/blogs-images\/ciscoblogs\/1\/2021\/02\/Screen-Shot-2021-02-09-at-10.41.13-AM-768x464.png\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" srcset=\"https:\/\/storage.googleapis.com\/blogs-images\/ciscoblogs\/1\/2021\/02\/Screen-Shot-2021-02-09-at-10.41.13-AM-300x181.png 300w, https:\/\/storage.googleapis.com\/blogs-images\/ciscoblogs\/1\/2021\/02\/Screen-Shot-2021-02-09-at-10.41.13-AM-768x464.png 768w\" alt=\"Principales cat\u00e9gories de co\u00fbts li\u00e9es \u00e0 l\u2019impl\u00e9mentation d\u2019une solution de communications unifi\u00e9es en local et sur le \u00ab\u00a0cloud\u00a0\u00bb.\" width=\"640\" height=\"387\" \/><br \/>\n<\/a><\/p>\n<p>Comme le montre le tableau, la principale diff\u00e9rence concerne le fait que les solutions bas\u00e9es dans le nuage offrent une structure de co\u00fbts plus pr\u00e9visible gr\u00e2ce \u00e0 un abonnement mensuel. Ces abonnements sont calcul\u00e9s sur le nombre d\u2019utilisateurs et le niveau de service engendr\u00e9, et incluent les mises \u00e0 jour logicielles et les ressources du centre de donn\u00e9es. De ce fait, le calcul de la croissance d\u2019un service bas\u00e9 dans le nuage est un exercice budg\u00e9taire pr\u00e9visible.<\/p>\n<p>Les syst\u00e8mes en local, quant \u00e0 eux, impliquent des co\u00fbts moins pr\u00e9visibles : mises \u00e0 jour logicielles et co\u00fbts d\u2019expansion du syst\u00e8me irr\u00e9guliers qui entra\u00eenent du mat\u00e9riel suppl\u00e9mentaire et cycles r\u00e9guliers d\u2019entretien et de renouvellement du mat\u00e9riel. Ces co\u00fbts de mise \u00e0 niveau am\u00e8nent les d\u00e9cideurs \u00e0 faire passer l\u2019entretien du syst\u00e8me au second plan, obligeant l\u2019ensemble de l\u2019organisation \u00e0 utiliser des services obsol\u00e8tes pendant de longues p\u00e9riodes. Cet inconv\u00e9nient est cependant \u00e9vit\u00e9 lorsque les services sont bas\u00e9s dans le nuage, du fait de leurs actualisations syst\u00e9matiques. Voici donc l\u2019un des principaux avantages du \u00ab\u00a0cloud\u00a0\u00bb en mati\u00e8re de transformation des entreprises.<\/p>\n<h2><span><br \/>\n  <strong>Une charge administrative r\u00e9duite<\/strong>\u00a0<\/span><\/h2>\n<p>On constate des avantages pour nos clients en transition vers les communications unifi\u00e9es sur le \u00ab\u00a0cloud\u00a0\u00bb. Parmi eux, on retient surtout la r\u00e9duction significative d\u2019effort requis par les \u00e9quipes informatiques dans l\u2019assistance au <a href=\"https:\/\/www.cisco.com\/c\/en\/us\/solutions\/collaboration\/unified-communications-manager-cloud\/index.html#%7Ecapabilities\">service Cisco d\u2019appels en nuage<\/a>.<\/p>\n<p>En choisissant le \u00ab\u00a0cloud\u00a0\u00bb Cisco, votre \u00e9quipe informatique peut se lib\u00e9rer de ces charges de travail chronophages\u00a0:<\/p>\n<ul>\n<li>Achat, installation et gestion du mat\u00e9riel d\u2019application<\/li>\n<li>Mises \u00e0 jour des logiciels d\u2019application et gestion des versions<\/li>\n<li>Gestion de l\u2019int\u00e9gration des applications, mises \u00e0 niveau comprises<\/li>\n<li>Gestion de la s\u00e9curit\u00e9 des solutions<\/li>\n<li>Suivi permanent et rem\u00e9diation proactive des risques<\/li>\n<\/ul>\n<p>Les clients b\u00e9n\u00e9ficient d\u2019un suivi permanent et d\u2019une r\u00e9solution des probl\u00e8mes dans le cadre de leur solution \u00ab\u00a0cloud\u00a0\u00bb.<\/p>\n<h2><span><br \/>\n  <strong>L\u2019informatique devient plus strat\u00e9gique<\/strong>\u00a0<\/span><\/h2>\n<p>Le r\u00e9sultat net du passage aux appels en nuage est que votre \u00e9quipe informatique se lib\u00e8re pour des t\u00e2ches plus strat\u00e9giques pour votre entreprise. Elle trouve en effet le temps de superviser et mettre en place des initiatives de transformation de l\u2019entreprise, au lieu de se perdre dans la gestion d\u2019un syst\u00e8me de t\u00e9l\u00e9phonie en local.\u00a0Nous avons vu de nombreux clients du service appels en nuage Cisco redynamiser leurs projets de transformation digitale, gr\u00e2ce \u00e0 de nouvelles ressources informatiques maintenant plus disponibles, qui permettent le transfert de leur charge de travail vers le \u00ab\u00a0cloud\u00a0\u00bb. Dans chacun de ces cas, l\u2019\u00e9quipe informatique m\u00e9rite d\u2019occuper aujourd\u2019hui un r\u00f4le plus strat\u00e9gique.<\/p>\n<p>On appr\u00e9cie lorsque, chez nos clients, des collaborateurs avancent dans l\u2019entreprise, apr\u00e8s avoir men\u00e9 \u00e0 bien un projet de transition vers le \u00ab\u00a0cloud\u00a0\u00bb.<\/p>\n<h2><span><br \/>\n  <strong>Rendre la croissance plus accessible<\/strong>\u00a0<\/span><\/h2>\n<p>Pour les entreprises en croissance, le \u00ab\u00a0cloud\u00a0\u00bb peut changer la donne. Il permet en effet une acc\u00e9l\u00e9ration de la mise en ligne de nouvelles installations, ou la connexion des sites r\u00e9cemment acquis avec notre solution d\u2019appels en nuage Cisco.\u00a0Avec un d\u00e9ploiement dans le nuage, l\u2019\u00e9quipe informatique peut concentrer ses efforts sur la mise en \u0153uvre d\u2019une meilleure connectivit\u00e9 r\u00e9seau et \u00e9quipements, tandis que toute l\u2019infrastructure des syst\u00e8mes est bas\u00e9e dans le nuage Cisco.<\/p>\n<h2><span><br \/>\n  <strong>R\u00e9agir rapidement \u00e0 des conditions de march\u00e9 variables<\/strong><br \/>\n<\/span><\/h2>\n<p>Lorsque vous prenez en compte l\u2019ensemble de ces param\u00e8tres, vous comprenez les raisons pour lesquelles les d\u00e9cideurs optent pour la strat\u00e9gie du nuage. Dans un environnement \u00e9conomique fluctuant, le \u00ab\u00a0cloud\u00a0\u00bb offre l\u2019agilit\u00e9 et la flexibilit\u00e9 n\u00e9cessaires pour accro\u00eetre votre avantage concurrentiel et rapidement vous adapter au march\u00e9.<\/p>\n<p>Lorsque vous examinez les diff\u00e9rents co\u00fbts constituant le co\u00fbt total de possession (TCO), la valeur du \u00ab\u00a0cloud\u00a0\u00bb pour votre entreprise n\u2019a jamais \u00e9t\u00e9 aussi tangible. Heureusement, Cisco d\u00e9tient les solutions pour vous aider \u00e0 tirer le maximum du \u00ab\u00a0cloud\u00a0\u00bb pour que vous puissiez passer sans dommages la \u00ab\u00a0herse\u00a0\u00bb \u00e9voqu\u00e9e dans notre m\u00e9taphore.<\/p>\n<p>Si vous disposez actuellement du gestionnaire de communications unifi\u00e9es (UCM) de Cisco en local pour votre charge de travail de t\u00e9l\u00e9phonie, le gestionnaire des communications unifi\u00e9es du nuage (UCM Cloud) sera votre chemin le plus rapide vers le \u00ab\u00a0cloud\u00a0\u00bb.\u00a0 Dans ma publication finale de la semaine prochaine, je mettrai l\u2019accent sur les strat\u00e9gies de migration de nos clients UCM.<\/p>\n<p>Phil Edholm, consultant\/analyste ind\u00e9pendant du secteur, pr\u00e9sente une perspective claire de l\u2019\u00e9quation co\u00fbt total de possession du \u00ab\u00a0cloud\u00a0\u00bb \u00e0 partir de 7:20 dans cet <a href=\"https:\/\/youtu.be\/7ydpyb6Fz3s\">enregistrement<\/a>.<\/p>\n<p>Voici <a href=\"https:\/\/youtu.be\/ndrLxNYqm3A\">une courte vid\u00e9o<\/a> qui pr\u00e9sente comment pr\u00e9parer vos syst\u00e8mes et ressources au passage vers le \u00ab\u00a0cloud\u00a0\u00bb.<\/p>\n<p>Retrouvez la conclusion de cette s\u00e9rie la semaine prochaine.<\/p>\n<p>\u00a0<\/p>\n<blockquote>\n<h2><strong>Contactez votre \u00e9quipe de compte Cisco ou votre partenaire de distribution pour en savoir plus sur <\/strong><\/h2>\n<h2><strong><br \/>\n  <a href=\"https:\/\/www.cisco.com\/c\/en\/us\/products\/unified-communications\/cloud-calling\/index.html\">Les offres d\u2019appels en nuage de Cisco<\/a>.<\/strong><\/h2>\n<\/blockquote>\n<p>\n<p><strong>En savoir plus<\/strong><\/p>\n<p><a href=\"https:\/\/blog.webex.com\/fr\/visioconferences\/les-nouveautes-de-webex-juillet-2021\/\">Quoi de neuf chez Webex\u00a0? F\u00e9vrier 2021<\/a><\/p>\n<p><a href=\"https:\/\/blogs.cisco.com\/collaboration\/how-to-develop-a-winning-transition-strategy-for-enterprise-cloud-calling-step-1-business-agility\">Comment \u00e9laborer une strat\u00e9gie de transition r\u00e9ussie vers les appels en nuage d\u2019entreprise\u00a0: Premi\u00e8re \u00e9tape, l\u2019agilit\u00e9 commerciale<\/a><\/p>\n<p><a href=\"https:\/\/blogs.cisco.com\/tag\/how-to-develop-a-winning-transition-strategy-for-enterprise-cloud-calling-blog-series\">Lire tous les blogs de la s\u00e9rie<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Il s\u2019agit du troisi\u00e8me volet de la s\u00e9rie de blogs qui pr\u00e9sente comment concevoir et mettre en place une strat\u00e9gie r\u00e9ussie de migration des communications unifi\u00e9es d\u2019entreprise et de collaboration vers le \u00ab\u00a0cloud\u00a0\u00bb.<\/p>\n","protected":false},"author":5536,"featured_media":384995,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[15587,5253],"tags":[6629,5844,5844],"class_list":["post-382981","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cloud-calling","category-collaboration-fr","tag-gestionnaire-de-communications-unifiees-cisco-fr","tag-webex-appels"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u00c9laborer une strat\u00e9gie de transition r\u00e9ussie vers les appels en nuage d\u2019entreprise\u00a0: Partie 3, l\u2019aspect financier | Webex Blog<\/title>\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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