CIOInfluence

The buyer’s guide for
application services


What does “application modernization” entail?


Application modernization” typically encompasses a wide range of strategic improvements that can be made to application infrastructure, security, and performance. Within the scope of this guide, we use this term to refer to the process of updating and transforming existing software applications (and their underlying infrastructure) to better align with an organization’s current and future needs.

This process can be broken down into three approaches (which may be applied concurrently or in a different order than the one laid out here):

  • Rehost (“lift and shift”): Migrate application and application infrastructure “as-is” to the cloud (or viceversa), with no code changes to the underlying application.
  • Replatform (modify for hybrid and multi-cloud): Optimize application infrastructure (e.g., with containers, serverless, or managed services) for multi-cloud and hybrid environments.
  • Refactor (build AI services, applications, and APIs): Transform and build new application architecture to use modern technologies (e.g., AI, serverless, and microservice architectures) and reduce tech debt.

The use cases outlined in this guide are designed for application performance and security, which fall under one or more of the above approaches. As you begin — or continue — your modernization journey, consider which of these approaches feels the most applicable to your current priorities.



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