|By Louis Nauges||
|March 30, 2014 11:09 AM EDT||
Dans cette expression, le mot « Computing » est devenu trop restrictif, car il fait référence à une seule des dimensions des apports des solutions « Cloud », celle qui a trait à la puissance de calcul.
Aux Etats-Unis, l’expression « Cloud IT » remplace progressivement « Cloud Computing » ; c’est une bonne chose, car cela confirme que cette révolution a une dimension beaucoup plus large.
Ce problème ne se pose pas dans la langue française qui utilise l’expression « informatique dans les nuages ». Le mot informatique n’a pas d’équivalent direct en anglais et se traduit souvent par... IT, Information Technology. Au moins sur le plan de la linguistique, la France était en avance.
Cloud IT ?
Basculer de Cloud Computing à Cloud IT est beaucoup plus qu’un simple changement de vocabulaire, c’est la reconnaissance que la révolution du « Cloud » touche maintenant toutes les facettes de l’informatique et des Systèmes d’Information :
- Infrastructures serveurs
- Applications, usages
- Sociétés de services
- Equipes informatiques internes
La R2I, Révolution Industrielle Informatique, s’appuie beaucoup, mais pas exclusivement sur le Cloud IT.
Résumons-les en une seule phrase, pour chacune des cinq dimensions du Cloud IT :
- Infrastructures serveurs : uniquement des clouds publics, jamais de cloud privé.
- Applications, usages : priorité aux solutions SaaS et BPaaS, sur mesure dans le cas contraire.
- Sociétés de services : la fin des projets mammouth, priorité aux projets d’ingénierie, courts, à forte valeur ajoutée.
- Equipes internes : moins nombreuses, et avec de nouvelles compétences à acquérir.
- Fournisseurs : prennent le virage Cloud IT ou disparaissent.
Cloud IT, l’essentiel des Systèmes d’Information, demain
En 2021, il restera en France quelques centaines de grandes organisations qui auront encore des « centres de calcul privés », mais de taille très réduite par rapport à ceux qui existaient en 2013.
Ce sera en particulier le cas des entreprises qui utilisent encore des serveurs historiques, mainframe et iSeries IBM, serveurs Sun ou HP sous Unix. Les fournisseurs industriels d’infrastructures Cloud, Amazon, Google, Microsoft, ont tous fait l’impasse sur ces familles de serveurs.
N’oublions pas que 96 des plus grandes banques et 9 des plus grands assureurs utilisent encore des serveurs Z d’IBM, comme le rappelle eWeek dans un texte qui célèbre le 50e anniversaire de cette famille de serveurs et le ... 55e anniversaire du Cobol.
En 2021, entre 60 % et 90 % du parc applicatif des entreprises auront été pris en charge par des solutions Cloud IT, SaaS ou BPaaS. Ne resteront, dans les grandes organisations, que les usages « cœur de métiers » vecteurs de compétitivité et pour lesquels les entreprises auront abandonné leurs ERP intégrés pour les remplacer par des applications développés sur mesure.
Ces développements innovants utiliseront en priorité les outils « Open Source » proposés par les nouveaux leaders de l’offre informatique : Facebook, Google ou Amazon.
Combien d’ingénieurs logiciels dans vos équipes connaissent l’existence du langage de développement Go de Google, du langage Hack et de l’accélérateur de PHP Hip-Hop développés par Facebook, de la nouvelle base de données « puissance Cloud » WebScaleSQL ? Combien les maîtrisent ?
Ce sont quelques exemples des nouvelles compétences à acquérir d’urgence que j’évoquais plus haut.
En résumé :
Le Cloud IT, ce n’est que ... le Système d’Information de vos entreprises, demain.
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