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Cloud Native Architectures by Piyum Zonooz, Erik Farr, Kamal Arora, Tom Laszewski

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Migrate or greenfield development?

Throughout this chapter, cloud drivers and considerations were discussed, and we dived deeper into how an enterprise would migrate existing workloads into the cloud. While some of these patterns contain development activities to refactor or replatform the application, they are still migration patterns. So, the question is: when does an organization use greenfield development instead of migrations? Typically, when a company decides to be cloud first, they will focus a significant amount of effort migrating their existing workloads to the cloud. At the same time, they will start all new development activities in the cloud, which is greenfield development. Usually, a new project or workload will still require ...

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