Le covid-19 renforce la pertinence du Cloud Public.

Le cloud

L’épidémie de Covid-19 est déclarée comme pandémie par l’OMS. C’est un scénario inédit pour lequel personne ne s’était préparée mais nous devons vivre avec et peut être durablement. Cette pandémie pousse les entreprises à réévaluer la pertinence du datacenter on premise.

Il faut de l’agilité accrue pour les utilisateurs, la flexibilité de la consommation en fonction des besoins et les exigences en matière de maintenance constituent la nouvelle analyse de rentabilité dont les chefs d’entreprise ont besoin.

le coronavirus accélère la migration vers le cloud public, et il ne s’agit pas simplement de mesures temporaires. Les modèles hybrides se développent.

Plusieurs récentes étude ont également mis en exergue que la cybersécurité et les solutions de datacenters devraient être très largement distribuées sous forme de services managés dans les années qui viennent.

Pourquoi le Cloud Public résiste-t-il mieux au coronavirus ?

Pour freiner la propagation du coronavirus le confinement généralisé a été imposé partout dans le monde et c’est inédit. Sans la moindre préparation, plus de quatre millions de collaborateurs en France ont basculé en travail à distance dans la contrainte, l’urgence et l’improvisation.
Le confinement a donc surpris tout le monde. Mais le constat est que les entreprises qui utilisent massivement les services cloud ont été nettement moins impactées par des problèmes de continuité d’activité relevés notamment les difficultés de connexion aux ressources d’entreprises à distance, problèmes de sécurité et de disponibilité de ces ressources.

Le cloud est radicalement différent de l’approche traditionnelle que les entreprises adoptent en matière de ressources informatiques.


Ci-après sept raisons pour lesquelles les organisations optent pour des services de Cloud

Productivité du CloudProductivité

Les centres de données sur site nécessitent en général la manipulation de matériel, la mise à jour des logiciels et d’autres corvées informatiques qui prennent beaucoup de temps et nécessitent des interventions sur site. Le cloud supprime la plupart de ces tâches et en fonction du type de cloud, enlève ou réduit le besoin de devoir être ou aller sur le site de la production en plein confinement ou il est impossible de se voir livrer des pièces de rechange ou de nouveaux serveurs par exemple.

Agilité du Cloud Mise à l’échelle mondiale

La mise à l’échelle élastique est un des avantages des services de cloud notamment public. Cette élasticité veut dire qu’il est possible de mettre en œuvre la quantité nécessaire de ressources informatiques, pour plus ou moins de puissance de calcul, de stockage ou de bande passante, au moment où elles sont nécessaires, là où elles sont nécessaires sans devoir sans espérer de livraison par transporteurs quand tout est paralysé en temps de crise notamment sanitaire ayant imposé le confinement.

Performance du CloudPerformances

Les services de cloud s’exécutent sur un réseau de datacenters sécurisés, dont le matériel est régulièrement mis à niveau pour assurer des performances rapides et efficaces. Ceci offre plusieurs avantages par rapport à un centre de données classique ou traditionnellement déployé sur site local, y compris un temps de latence réseau réduit pour les applications et de plus grandes économies d’échelle.

Vitesse du cloudVitesse

Les services de cloud sont fournis pour la plus part en libre-service et à la demande. Les ressources de calcul peuvent donc être mises en œuvre en quelques minutes, en quelques clics et à distance, offrant ainsi aux entreprises un haut niveau de flexibilité et les dégageant de la pression liée à la planification de la capacité.

Sécurité du CloudSécurité

Les fournisseurs de cloud offrent un vaste éventail de stratégies, technologies et contrôles qui renforcent globalement votre situation de sécurité, contribuant ainsi à protéger vos données, vos applications et votre infrastructure contre des menaces potentielles.

Fiabilité du CloudFiabilité

Le cloud automatise et simplifie la sauvegarde des données, la récupération d’urgence et la continuité des activités. Il rend ces activités moins coûteuses, car les données peuvent être mises en miroir sur plusieurs sites redondants au sein du réseau du fournisseur qui est généralement présent à la fois dans plusieurs régions, plusieurs pays, plusieurs continents et peut être prochainement plusieurs planètes

(Ps: pour ceux qui s’intéressent comme moi aux exoplanètes pour des possibilités infinies avec le cloud, je vous recommande la lecture de cet article de Shannon Hall sur https://www.nationalgeographic.fr/espace/trappist-1-la-vie-pourrait-circuler-dune-planete-lautre).

Le cout du cloudCoût

Le cloud notamment public élimine la nécessité d’investir dans du matériel et des logiciels, de configurer et de gérer des centres de données sur site : racks de serveurs, alimentation électrique permanente pour l’alimentation et le refroidissement, experts informatiques pour la gestion de l’infrastructure. Le cloud fait passer les entreprises d’un mode Capex à un mode Opex. Finis les investissements initiaux parfois lourds. En résumé, le cloud permet de se décharger des investissements informatiques : on n’achète ni machine ni logiciel, mais on verse un abonnement à son prestataire et, dans certains cas, on paie à l’utilisation ou à la consommation c’est le concept de Pay As You Go.

Je vous laisse tester ce concept Pay As You Go avec Azure de Microsoft, un des leaders mondiaux des services de cloud pour les entreprises de toutes tailles. https://azure.microsoft.com/fr-fr/offers/ms-azr-0003p/

Tech Entrepreneur, co-founder de EDUCPEOPLE, Microsoft Cloud Architect / Sophos Certified Architect /Palo Alto Networks Accredited Systems Engineer (PSE)/ Microsoft P-Seller, anciennement Virtual Technology Specialist (VTSP) / Leader agile, Bâtisseur, Problem solver, Passionné de la technique et des nouvelles technologies, j’interviens sur les problématiques d’Architecture des SI depuis plus de 24 ans. Je suis spécialisé dans la conception, la migration, l'optimisation, la sécurité et la gestion des solutions qui fonctionnent sur Azure et Multicloud. Je construis et je pilote la stratégie d’évolution des architectures et solutions techniques de Cloud hybride qui répondent aux enjeux de transformation digitale, d’agilité, de continuité d'activité et d’économie de mes clients.

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