How to “Uncloud” Without Losing What Makes the Cloud Great  

9 April 2021:

Several years ago, many companies hyped about the possibilities presented by the Cloud rushed to build “cloud-first” structures. However, some of these companies realized that public cloud technology isn’t the right fit for their operations. And soon, they started considering “uncloud” their infrastructure. i.e., started moving the data back to on-premises or private clouds with more control and security than what was available publicly.

Let’s discuss when you may want to uncloud, what you can do to prepare for cloud repatriation, and how your company can retain the best aspects of cloud-based infrastructure while moving out of the public cloud or to a partial-cloud solution.

When should you uncloud?

Of the many reasons businesses choose to uncloud, is cost. Ironic though as most businesses move to cloud to save cost. But depending on your usage, public clouds are not always the cheapest option. Not only do costs rely on how much data your company is storing in the cloud, but your cloud providers may also charge you for every time the data is accessed or moved across cloud regions. It’s also easy to find yourself using data far beyond initial projections. For example, a line of code adding cloud backups that runs more often than expected can run up your costs the same way syncing your smartphone’s pictures to the Cloud can unexpectedly chew through your cellular data plan.

On the technical side, applications moved to the Cloud may not have seen the expected performance increase or even saw a performance decrease. Designing applications for the Cloud requires more than just access to an API. Where is data stored concerning the functions using it? Will your search runtimes increase if the data isn’t hosted on the same server or virtual machine? If your applications aren’t explicitly architected for the Cloud – for instance, if a key legacy application was migrated during the initial Cloud rush – your users may suffer from slow performance and poor digital experience.

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Source: CIO

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