| | November 2019 8OPINIONIN MYWhat has happened to the big migration to public cloud? Just five years ago, it seemed inevitable that enterprise after enterprise would be migrating to public cloud platforms and data centers would be a thing of the past. This expectation has not been realized--yet.There are a number of reasons for this. Many organizations have considerable legacy application estates that are holding back their migrations due to the cost of transformation. Others depend on traditional on-premises data centers (DCs), often due to fears around security and data sovereignty. Then, of course, you have large multi-year DC hosting outsourcing deals that have tied in organizations to long-term contracts. Migration to public cloud has been further slowed by fears of disrupting something that `already works', so why change it?Despite these barriers and concerns, I increasingly hear clients asking how they can bring the benefits of the public cloud into their legacy services. They might have full legacy rack-based infrastructure or have started on the virtualization journey with private cloud providers. They could also be running non-production or less important workloads in the public cloud, isolated from their main business services. These existing technologies should not be barriers to public cloud adoption; rather they should be seen as a foundation for a hybrid cloud solution. With the above as a starting point, the challenge is how to bring together a variety of legacy and cloud solutions. How do you make them part of the eventual move to the public cloud? The path forward is to look at the new and growing number of solutions that can enable a business to deeply integrate its existing services with the cloud. As an example, let us consider a business with a cloud-first strategy but operating a legacy platform. To continue its cloud transformation Realizing Public Cloud Ambitions with a Hybrid ApproachBy Luke Harrigan, Global Vice President, Capgemini Cloud PlatformLuke Harrigan
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