What are some examples of cloud migration?Ĭloud migrations are similar in many ways and unique in others, but to give you some idea of why organizations pursue migrations, here are some potential cloud migration use cases. The only real migration in this scenario involves data migration. Replacing: Also known as repurchasing, this is the most drastic change, wherein the organization discards its own custom-built applications and begins using third-party software as a service applications provided by the cloud vendor and hosted on the cloud platform. Rebuilding: As the name suggests, rebuilding (also known as refactoring) involves rearchitecting with new, cloud-native application source code. Replatforming: Like refactoring, replatforming (also known as revising) involves changes to the underlying application code to prepare it for cloud hosting, but the changes are more involved. The application’s core architecture remains the same. Refactoring: Refactoring involves making small changes to applications in order to optimize them for a cloud environment, even if the change is not absolutely necessary for the migration. Rehosting: Also referred to by the phrase “lift and shift,” rehosting is the cloud migration process, where IT workloads are redeployed from an on-premises server to a cloud-based server, making minimal changes to the code. Often referred to as the “Five Rs,” there are five common ways that organizations migrate data and applications to the cloud, listed here in order of complexity from simplest to most complicated. How do organizations migrate data to the cloud? In this article, we’ll take a look at the basics of cloud migration, talk about the benefits and challenges, explore some best practices and talk about what is necessary for a successful cloud migration. While the cloud can offer significant advantages in terms of speed and scale, it does have its challenges. In other words, the cloud is now both the present and future of enterprise computing. Eighty percent predicted they will have moved to the cloud by 2025. Of the people surveyed, 88% said their companies already use the cloud for some applications and data. There is also another type of cloud migration called a reverse cloud migration (also known as cloud repatriation or cloud exit) where existing applications are moved from a public cloud back to an on-premises data center.īased on a survey by O’Reilly called Cloud Adoption in 2020, the cloud is a topic of enormous interest, with many organizations already performing cloud migrations and others looking to expand in that direction. Moving to a hybrid cloud or multicloud environment. ![]() Migrating from one public cloud to another.Moving from a local, on-premises data center to a computing environment situated in a public cloud.Migration can take many forms, including: Cloud migration is the practice of moving IT workloads (data and applications) to a cloud environment.
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