siliconindia | | March 20188oday, the public cloud is a minor part of the IT estate of most corporates (typi-cally 5-10 percent), but public and sup-plier-based cloud offerings, including SaaS, are maturing to the point that most classes of application are already, or will soon be, available on the public cloud. For instance:· Many large corporates have already adopted cloud solutions for office productivity and collaboration/communication tools, such as Microsoft Office 365· Cloud-based data-lakes and analytics platforms (e.g. Cloudera, Hortonworks) are commonly adopted by many, and a natural choice for the cloud, given its typical `elastic', consumption-based and scalable pricing model· Custom-built applications, with their legacy of mul-tiple programming languages, operating systems, databases, hardware and associated skillsets, are in-creasingly being migrated to a micro-services based open-source stack that can then easily be deployed to one or more cloud providers to reduce risk· Packaged software applications, including Finance, HR, CRM, and Supply Chain, are increasingly not of-fered as `on-premise', with major vendors such as SAP and Oracle set to discontinue on-premise licenses by the mid-2020sOne prominent example of this future is General Electric, which is in the process of migrating 9,000+ applications to the cloud by 2019, reducing its data centers from more than 30 to four. Given this new re-By Ushir Bhatt & Florian Deter, Partners, Oliver WymanHeadquartered in New York, Oliver Wyman is one of the world's leading Management Consulting companies offering services in the areas of Strategy Consulting, Financial Services Consulting, Strategy, Operations, & Risk Management, Organization Transformation, and many others.In MY opinionTHE CIO WITHOUT A DATA CENTERTFlorian Deter
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