July 2011
Intermediate to advanced
370 pages
6h 10m
French
Content preview from Guide commenté des normes et référentielsBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapitre 18TCO
HISTORIQUE
Ce principe a été élaboré en 1988 par le Gartner Group ; depuis, il est appliqué par beaucoup de directions informatiques. C’est à la fois un élément comptable et une information importante pour le budget informatique, qui est lié aux utilisateurs. Combien nous coûte cette infrastructure ? C’est la question que posent les clients (internes) à leur DSI.
DÉFINITION
Il s’agit du coût total d’un système, c’est-à-dire l’ensemble des coûts d’achat d’un matériel ou d’un logiciel (entretien, maintenance, formation des équipes).
APPLICATION
Généralement, le suivi budgétaire est réalisé par le service comptable ou la direction administrative et financière (DAF), toutefois, les DSI veulent et doivent maîtriser leurs coûts de fonctionnement, ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.